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Diffstat (limited to 'fs/ocfs2/alloc.c')
-rw-r--r--fs/ocfs2/alloc.c1429
1 files changed, 529 insertions, 900 deletions
diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index d17bdc718f7..9d8fcf2f3b9 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -29,8 +29,8 @@
#include <linux/highmem.h>
#include <linux/swap.h>
#include <linux/quotaops.h>
+#include <linux/blkdev.h>
-#define MLOG_MASK_PREFIX ML_DISK_ALLOC
#include <cluster/masklog.h>
#include "ocfs2.h"
@@ -50,6 +50,7 @@
#include "uptodate.h"
#include "xattr.h"
#include "refcounttree.h"
+#include "ocfs2_trace.h"
#include "buffer_head_io.h"
@@ -565,7 +566,6 @@ static inline int ocfs2_et_sanity_check(struct ocfs2_extent_tree *et)
return ret;
}
-static void ocfs2_free_truncate_context(struct ocfs2_truncate_context *tc);
static int ocfs2_cache_extent_block_free(struct ocfs2_cached_dealloc_ctxt *ctxt,
struct ocfs2_extent_block *eb);
static void ocfs2_adjust_rightmost_records(handle_t *handle,
@@ -887,8 +887,7 @@ static int ocfs2_validate_extent_block(struct super_block *sb,
struct ocfs2_extent_block *eb =
(struct ocfs2_extent_block *)bh->b_data;
- mlog(0, "Validating extent block %llu\n",
- (unsigned long long)bh->b_blocknr);
+ trace_ocfs2_validate_extent_block((unsigned long long)bh->b_blocknr);
BUG_ON(!buffer_uptodate(bh));
@@ -966,8 +965,6 @@ int ocfs2_num_free_extents(struct ocfs2_super *osb,
struct buffer_head *eb_bh = NULL;
u64 last_eb_blk = 0;
- mlog_entry_void();
-
el = et->et_root_el;
last_eb_blk = ocfs2_et_get_last_eb_blk(et);
@@ -988,7 +985,7 @@ int ocfs2_num_free_extents(struct ocfs2_super *osb,
bail:
brelse(eb_bh);
- mlog_exit(retval);
+ trace_ocfs2_num_free_extents(retval);
return retval;
}
@@ -1006,19 +1003,17 @@ static int ocfs2_create_new_meta_bhs(handle_t *handle,
int count, status, i;
u16 suballoc_bit_start;
u32 num_got;
- u64 first_blkno;
+ u64 suballoc_loc, first_blkno;
struct ocfs2_super *osb =
OCFS2_SB(ocfs2_metadata_cache_get_super(et->et_ci));
struct ocfs2_extent_block *eb;
- mlog_entry_void();
-
count = 0;
while (count < wanted) {
- status = ocfs2_claim_metadata(osb,
- handle,
+ status = ocfs2_claim_metadata(handle,
meta_ac,
wanted - count,
+ &suballoc_loc,
&suballoc_bit_start,
&num_got,
&first_blkno);
@@ -1030,7 +1025,7 @@ static int ocfs2_create_new_meta_bhs(handle_t *handle,
for(i = count; i < (num_got + count); i++) {
bhs[i] = sb_getblk(osb->sb, first_blkno);
if (bhs[i] == NULL) {
- status = -EIO;
+ status = -ENOMEM;
mlog_errno(status);
goto bail;
}
@@ -1050,7 +1045,9 @@ static int ocfs2_create_new_meta_bhs(handle_t *handle,
strcpy(eb->h_signature, OCFS2_EXTENT_BLOCK_SIGNATURE);
eb->h_blkno = cpu_to_le64(first_blkno);
eb->h_fs_generation = cpu_to_le32(osb->fs_generation);
- eb->h_suballoc_slot = cpu_to_le16(osb->slot_num);
+ eb->h_suballoc_slot =
+ cpu_to_le16(meta_ac->ac_alloc_slot);
+ eb->h_suballoc_loc = cpu_to_le64(suballoc_loc);
eb->h_suballoc_bit = cpu_to_le16(suballoc_bit_start);
eb->h_list.l_count =
cpu_to_le16(ocfs2_extent_recs_per_eb(osb->sb));
@@ -1060,11 +1057,7 @@ static int ocfs2_create_new_meta_bhs(handle_t *handle,
/* We'll also be dirtied by the caller, so
* this isn't absolutely necessary. */
- status = ocfs2_journal_dirty(handle, bhs[i]);
- if (status < 0) {
- mlog_errno(status);
- goto bail;
- }
+ ocfs2_journal_dirty(handle, bhs[i]);
}
count += num_got;
@@ -1077,8 +1070,8 @@ bail:
brelse(bhs[i]);
bhs[i] = NULL;
}
+ mlog_errno(status);
}
- mlog_exit(status);
return status;
}
@@ -1128,8 +1121,7 @@ static int ocfs2_adjust_rightmost_branch(handle_t *handle,
goto out;
}
- status = ocfs2_extend_trans(handle, path_num_items(path) +
- handle->h_buffer_credits);
+ status = ocfs2_extend_trans(handle, path_num_items(path));
if (status < 0) {
mlog_errno(status);
goto out;
@@ -1142,7 +1134,7 @@ static int ocfs2_adjust_rightmost_branch(handle_t *handle,
}
el = path_leaf_el(path);
- rec = &el->l_recs[le32_to_cpu(el->l_next_free_rec) - 1];
+ rec = &el->l_recs[le16_to_cpu(el->l_next_free_rec) - 1];
ocfs2_adjust_rightmost_records(handle, et, path, rec);
@@ -1177,8 +1169,6 @@ static int ocfs2_add_branch(handle_t *handle,
struct ocfs2_extent_list *el;
u32 new_cpos, root_end;
- mlog_entry_void();
-
BUG_ON(!last_eb_bh || !*last_eb_bh);
if (eb_bh) {
@@ -1204,8 +1194,11 @@ static int ocfs2_add_branch(handle_t *handle,
* from new_cpos).
*/
if (root_end > new_cpos) {
- mlog(0, "adjust the cluster end from %u to %u\n",
- root_end, new_cpos);
+ trace_ocfs2_adjust_rightmost_branch(
+ (unsigned long long)
+ ocfs2_metadata_cache_owner(et->et_ci),
+ root_end, new_cpos);
+
status = ocfs2_adjust_rightmost_branch(handle, et);
if (status) {
mlog_errno(status);
@@ -1269,12 +1262,7 @@ static int ocfs2_add_branch(handle_t *handle,
if (!eb_el->l_tree_depth)
new_last_eb_blk = le64_to_cpu(eb->h_blkno);
- status = ocfs2_journal_dirty(handle, bh);
- if (status < 0) {
- mlog_errno(status);
- goto bail;
- }
-
+ ocfs2_journal_dirty(handle, bh);
next_blkno = le64_to_cpu(eb->h_blkno);
}
@@ -1320,17 +1308,10 @@ static int ocfs2_add_branch(handle_t *handle,
eb = (struct ocfs2_extent_block *) (*last_eb_bh)->b_data;
eb->h_next_leaf_blk = cpu_to_le64(new_last_eb_blk);
- status = ocfs2_journal_dirty(handle, *last_eb_bh);
- if (status < 0)
- mlog_errno(status);
- status = ocfs2_journal_dirty(handle, et->et_root_bh);
- if (status < 0)
- mlog_errno(status);
- if (eb_bh) {
- status = ocfs2_journal_dirty(handle, eb_bh);
- if (status < 0)
- mlog_errno(status);
- }
+ ocfs2_journal_dirty(handle, *last_eb_bh);
+ ocfs2_journal_dirty(handle, et->et_root_bh);
+ if (eb_bh)
+ ocfs2_journal_dirty(handle, eb_bh);
/*
* Some callers want to track the rightmost leaf so pass it
@@ -1348,7 +1329,6 @@ bail:
kfree(new_eb_bhs);
}
- mlog_exit(status);
return status;
}
@@ -1369,8 +1349,6 @@ static int ocfs2_shift_tree_depth(handle_t *handle,
struct ocfs2_extent_list *root_el;
struct ocfs2_extent_list *eb_el;
- mlog_entry_void();
-
status = ocfs2_create_new_meta_bhs(handle, et, 1, meta_ac,
&new_eb_bh);
if (status < 0) {
@@ -1398,11 +1376,7 @@ static int ocfs2_shift_tree_depth(handle_t *handle,
for (i = 0; i < le16_to_cpu(root_el->l_next_free_rec); i++)
eb_el->l_recs[i] = root_el->l_recs[i];
- status = ocfs2_journal_dirty(handle, new_eb_bh);
- if (status < 0) {
- mlog_errno(status);
- goto bail;
- }
+ ocfs2_journal_dirty(handle, new_eb_bh);
status = ocfs2_et_root_journal_access(handle, et,
OCFS2_JOURNAL_ACCESS_WRITE);
@@ -1427,11 +1401,7 @@ static int ocfs2_shift_tree_depth(handle_t *handle,
if (root_el->l_tree_depth == cpu_to_le16(1))
ocfs2_et_set_last_eb_blk(et, le64_to_cpu(eb->h_blkno));
- status = ocfs2_journal_dirty(handle, et->et_root_bh);
- if (status < 0) {
- mlog_errno(status);
- goto bail;
- }
+ ocfs2_journal_dirty(handle, et->et_root_bh);
*ret_new_eb_bh = new_eb_bh;
new_eb_bh = NULL;
@@ -1439,7 +1409,6 @@ static int ocfs2_shift_tree_depth(handle_t *handle,
bail:
brelse(new_eb_bh);
- mlog_exit(status);
return status;
}
@@ -1470,8 +1439,6 @@ static int ocfs2_find_branch_target(struct ocfs2_extent_tree *et,
struct buffer_head *bh = NULL;
struct buffer_head *lowest_bh = NULL;
- mlog_entry_void();
-
*target_bh = NULL;
el = et->et_root_el;
@@ -1527,7 +1494,6 @@ static int ocfs2_find_branch_target(struct ocfs2_extent_tree *et,
bail:
brelse(bh);
- mlog_exit(status);
return status;
}
@@ -1564,7 +1530,10 @@ static int ocfs2_grow_tree(handle_t *handle, struct ocfs2_extent_tree *et,
* another tree level */
if (shift) {
BUG_ON(bh);
- mlog(0, "need to shift tree depth (current = %d)\n", depth);
+ trace_ocfs2_grow_tree(
+ (unsigned long long)
+ ocfs2_metadata_cache_owner(et->et_ci),
+ depth);
/* ocfs2_shift_tree_depth will return us a buffer with
* the new extent block (so we can pass that to
@@ -1594,7 +1563,6 @@ static int ocfs2_grow_tree(handle_t *handle, struct ocfs2_extent_tree *et,
/* call ocfs2_add_branch to add the final part of the tree with
* the new data. */
- mlog(0, "add branch. bh = %p\n", bh);
ret = ocfs2_add_branch(handle, et, bh, last_eb_bh,
meta_ac);
if (ret < 0) {
@@ -1669,8 +1637,9 @@ static void ocfs2_rotate_leaf(struct ocfs2_extent_list *el,
}
insert_index = i;
- mlog(0, "ins %u: index %d, has_empty %d, next_free %d, count %d\n",
- insert_cpos, insert_index, has_empty, next_free, le16_to_cpu(el->l_count));
+ trace_ocfs2_rotate_leaf(insert_cpos, insert_index,
+ has_empty, next_free,
+ le16_to_cpu(el->l_count));
BUG_ON(insert_index < 0);
BUG_ON(insert_index >= le16_to_cpu(el->l_count));
@@ -2063,7 +2032,7 @@ static void ocfs2_complete_edge_insert(handle_t *handle,
struct ocfs2_path *right_path,
int subtree_index)
{
- int ret, i, idx;
+ int i, idx;
struct ocfs2_extent_list *el, *left_el, *right_el;
struct ocfs2_extent_rec *left_rec, *right_rec;
struct buffer_head *root_bh = left_path->p_node[subtree_index].bh;
@@ -2083,7 +2052,7 @@ static void ocfs2_complete_edge_insert(handle_t *handle,
left_el = path_leaf_el(left_path);
right_el = path_leaf_el(right_path);
for(i = left_path->p_tree_depth - 1; i > subtree_index; i--) {
- mlog(0, "Adjust records at index %u\n", i);
+ trace_ocfs2_complete_edge_insert(i);
/*
* One nice property of knowing that all of these
@@ -2101,13 +2070,8 @@ static void ocfs2_complete_edge_insert(handle_t *handle,
ocfs2_adjust_adjacent_records(left_rec, left_el, right_rec,
right_el);
- ret = ocfs2_journal_dirty(handle, left_path->p_node[i].bh);
- if (ret)
- mlog_errno(ret);
-
- ret = ocfs2_journal_dirty(handle, right_path->p_node[i].bh);
- if (ret)
- mlog_errno(ret);
+ ocfs2_journal_dirty(handle, left_path->p_node[i].bh);
+ ocfs2_journal_dirty(handle, right_path->p_node[i].bh);
/*
* Setup our list pointers now so that the current
@@ -2131,9 +2095,7 @@ static void ocfs2_complete_edge_insert(handle_t *handle,
root_bh = left_path->p_node[subtree_index].bh;
- ret = ocfs2_journal_dirty(handle, root_bh);
- if (ret)
- mlog_errno(ret);
+ ocfs2_journal_dirty(handle, root_bh);
}
static int ocfs2_rotate_subtree_right(handle_t *handle,
@@ -2206,11 +2168,7 @@ static int ocfs2_rotate_subtree_right(handle_t *handle,
ocfs2_create_empty_extent(right_el);
- ret = ocfs2_journal_dirty(handle, right_leaf_bh);
- if (ret) {
- mlog_errno(ret);
- goto out;
- }
+ ocfs2_journal_dirty(handle, right_leaf_bh);
/* Do the copy now. */
i = le16_to_cpu(left_el->l_next_free_rec) - 1;
@@ -2229,11 +2187,7 @@ static int ocfs2_rotate_subtree_right(handle_t *handle,
memset(&left_el->l_recs[0], 0, sizeof(struct ocfs2_extent_rec));
le16_add_cpu(&left_el->l_next_free_rec, 1);
- ret = ocfs2_journal_dirty(handle, left_leaf_bh);
- if (ret) {
- mlog_errno(ret);
- goto out;
- }
+ ocfs2_journal_dirty(handle, left_leaf_bh);
ocfs2_complete_edge_insert(handle, left_path, right_path,
subtree_index);
@@ -2248,8 +2202,8 @@ out:
*
* Will return zero if the path passed in is already the leftmost path.
*/
-static int ocfs2_find_cpos_for_left_leaf(struct super_block *sb,
- struct ocfs2_path *path, u32 *cpos)
+int ocfs2_find_cpos_for_left_leaf(struct super_block *sb,
+ struct ocfs2_path *path, u32 *cpos)
{
int i, j, ret = 0;
u64 blkno;
@@ -2326,20 +2280,14 @@ static int ocfs2_extend_rotate_transaction(handle_t *handle, int subtree_depth,
int op_credits,
struct ocfs2_path *path)
{
- int ret;
+ int ret = 0;
int credits = (path->p_tree_depth - subtree_depth) * 2 + 1 + op_credits;
- if (handle->h_buffer_credits < credits) {
+ if (handle->h_buffer_credits < credits)
ret = ocfs2_extend_trans(handle,
credits - handle->h_buffer_credits);
- if (ret)
- return ret;
-
- if (unlikely(handle->h_buffer_credits < credits))
- return ocfs2_extend_trans(handle, credits);
- }
- return 0;
+ return ret;
}
/*
@@ -2434,7 +2382,9 @@ static int ocfs2_rotate_tree_right(handle_t *handle,
goto out;
}
- mlog(0, "Insert: %u, first left path cpos: %u\n", insert_cpos, cpos);
+ trace_ocfs2_rotate_tree_right(
+ (unsigned long long)ocfs2_metadata_cache_owner(et->et_ci),
+ insert_cpos, cpos);
/*
* What we want to do here is:
@@ -2463,8 +2413,10 @@ static int ocfs2_rotate_tree_right(handle_t *handle,
* rotating subtrees.
*/
while (cpos && insert_cpos <= cpos) {
- mlog(0, "Rotating a tree: ins. cpos: %u, left path cpos: %u\n",
- insert_cpos, cpos);
+ trace_ocfs2_rotate_tree_right(
+ (unsigned long long)
+ ocfs2_metadata_cache_owner(et->et_ci),
+ insert_cpos, cpos);
ret = ocfs2_find_path(et->et_ci, left_path, cpos);
if (ret) {
@@ -2506,10 +2458,10 @@ static int ocfs2_rotate_tree_right(handle_t *handle,
start = ocfs2_find_subtree_root(et, left_path, right_path);
- mlog(0, "Subtree root at index %d (blk %llu, depth %d)\n",
- start,
- (unsigned long long) right_path->p_node[start].bh->b_blocknr,
- right_path->p_tree_depth);
+ trace_ocfs2_rotate_subtree(start,
+ (unsigned long long)
+ right_path->p_node[start].bh->b_blocknr,
+ right_path->p_tree_depth);
ret = ocfs2_extend_rotate_transaction(handle, start,
orig_credits, right_path);
@@ -2583,8 +2535,7 @@ static int ocfs2_update_edge_lengths(handle_t *handle,
* records for all the bh in the path.
* So we have to allocate extra credits and access them.
*/
- ret = ocfs2_extend_trans(handle,
- handle->h_buffer_credits + subtree_index);
+ ret = ocfs2_extend_trans(handle, subtree_index);
if (ret) {
mlog_errno(ret);
goto out;
@@ -2822,12 +2773,8 @@ static int ocfs2_rotate_subtree_left(handle_t *handle,
ocfs2_remove_empty_extent(right_leaf_el);
}
- ret = ocfs2_journal_dirty(handle, path_leaf_bh(left_path));
- if (ret)
- mlog_errno(ret);
- ret = ocfs2_journal_dirty(handle, path_leaf_bh(right_path));
- if (ret)
- mlog_errno(ret);
+ ocfs2_journal_dirty(handle, path_leaf_bh(left_path));
+ ocfs2_journal_dirty(handle, path_leaf_bh(right_path));
if (del_right_subtree) {
ocfs2_unlink_subtree(handle, et, left_path, right_path,
@@ -2850,9 +2797,7 @@ static int ocfs2_rotate_subtree_left(handle_t *handle,
if (right_has_empty)
ocfs2_remove_empty_extent(left_leaf_el);
- ret = ocfs2_journal_dirty(handle, et_root_bh);
- if (ret)
- mlog_errno(ret);
+ ocfs2_journal_dirty(handle, et_root_bh);
*deleted = 1;
} else
@@ -2961,10 +2906,7 @@ static int ocfs2_rotate_rightmost_leaf_left(handle_t *handle,
}
ocfs2_remove_empty_extent(el);
-
- ret = ocfs2_journal_dirty(handle, bh);
- if (ret)
- mlog_errno(ret);
+ ocfs2_journal_dirty(handle, bh);
out:
return ret;
@@ -3019,8 +2961,7 @@ static int __ocfs2_rotate_tree_left(handle_t *handle,
subtree_root = ocfs2_find_subtree_root(et, left_path,
right_path);
- mlog(0, "Subtree root at index %d (blk %llu, depth %d)\n",
- subtree_root,
+ trace_ocfs2_rotate_subtree(subtree_root,
(unsigned long long)
right_path->p_node[subtree_root].bh->b_blocknr,
right_path->p_tree_depth);
@@ -3505,15 +3446,9 @@ static int ocfs2_merge_rec_right(struct ocfs2_path *left_path,
ocfs2_cleanup_merge(el, index);
- ret = ocfs2_journal_dirty(handle, bh);
- if (ret)
- mlog_errno(ret);
-
+ ocfs2_journal_dirty(handle, bh);
if (right_path) {
- ret = ocfs2_journal_dirty(handle, path_leaf_bh(right_path));
- if (ret)
- mlog_errno(ret);
-
+ ocfs2_journal_dirty(handle, path_leaf_bh(right_path));
ocfs2_complete_edge_insert(handle, left_path, right_path,
subtree_index);
}
@@ -3682,14 +3617,9 @@ static int ocfs2_merge_rec_left(struct ocfs2_path *right_path,
ocfs2_cleanup_merge(el, index);
- ret = ocfs2_journal_dirty(handle, bh);
- if (ret)
- mlog_errno(ret);
-
+ ocfs2_journal_dirty(handle, bh);
if (left_path) {
- ret = ocfs2_journal_dirty(handle, path_leaf_bh(left_path));
- if (ret)
- mlog_errno(ret);
+ ocfs2_journal_dirty(handle, path_leaf_bh(left_path));
/*
* In the situation that the right_rec is empty and the extent
@@ -4015,10 +3945,7 @@ static void ocfs2_adjust_rightmost_records(handle_t *handle,
le32_add_cpu(&rec->e_int_clusters,
-le32_to_cpu(rec->e_cpos));
- ret = ocfs2_journal_dirty(handle, bh);
- if (ret)
- mlog_errno(ret);
-
+ ocfs2_journal_dirty(handle, bh);
}
}
@@ -4058,9 +3985,11 @@ static int ocfs2_append_rec_to_path(handle_t *handle,
goto out;
}
- mlog(0, "Append may need a left path update. cpos: %u, "
- "left_cpos: %u\n", le32_to_cpu(insert_rec->e_cpos),
- left_cpos);
+ trace_ocfs2_append_rec_to_path(
+ (unsigned long long)
+ ocfs2_metadata_cache_owner(et->et_ci),
+ le32_to_cpu(insert_rec->e_cpos),
+ left_cpos);
/*
* No need to worry if the append is already in the
@@ -4202,17 +4131,13 @@ static int ocfs2_insert_path(handle_t *handle,
struct buffer_head *leaf_bh = path_leaf_bh(right_path);
if (left_path) {
- int credits = handle->h_buffer_credits;
-
/*
* There's a chance that left_path got passed back to
* us without being accounted for in the
* journal. Extend our transaction here to be sure we
* can change those blocks.
*/
- credits += left_path->p_tree_depth;
-
- ret = ocfs2_extend_trans(handle, credits);
+ ret = ocfs2_extend_trans(handle, left_path->p_tree_depth);
if (ret < 0) {
mlog_errno(ret);
goto out;
@@ -4250,17 +4175,13 @@ static int ocfs2_insert_path(handle_t *handle,
* dirty this for us.
*/
if (left_path)
- ret = ocfs2_journal_dirty(handle,
- path_leaf_bh(left_path));
- if (ret)
- mlog_errno(ret);
+ ocfs2_journal_dirty(handle,
+ path_leaf_bh(left_path));
} else
ocfs2_insert_at_leaf(et, insert_rec, path_leaf_el(right_path),
insert);
- ret = ocfs2_journal_dirty(handle, leaf_bh);
- if (ret)
- mlog_errno(ret);
+ ocfs2_journal_dirty(handle, leaf_bh);
if (left_path) {
/*
@@ -4383,9 +4304,7 @@ out_update_clusters:
ocfs2_et_update_clusters(et,
le16_to_cpu(insert_rec->e_leaf_clusters));
- ret = ocfs2_journal_dirty(handle, et->et_root_bh);
- if (ret)
- mlog_errno(ret);
+ ocfs2_journal_dirty(handle, et->et_root_bh);
out:
ocfs2_free_path(left_path);
@@ -4601,7 +4520,7 @@ set_tail_append:
}
/*
- * Helper function called at the begining of an insert.
+ * Helper function called at the beginning of an insert.
*
* This computes a few things that are commonly used in the process of
* inserting into the btree:
@@ -4641,7 +4560,7 @@ static int ocfs2_figure_insert_type(struct ocfs2_extent_tree *et,
ocfs2_et_get_last_eb_blk(et),
&bh);
if (ret) {
- mlog_exit(ret);
+ mlog_errno(ret);
goto out;
}
eb = (struct ocfs2_extent_block *) bh->b_data;
@@ -4757,9 +4676,9 @@ int ocfs2_insert_extent(handle_t *handle,
struct ocfs2_insert_type insert = {0, };
struct ocfs2_extent_rec rec;
- mlog(0, "add %u clusters at position %u to owner %llu\n",
- new_clusters, cpos,
- (unsigned long long)ocfs2_metadata_cache_owner(et->et_ci));
+ trace_ocfs2_insert_extent_start(
+ (unsigned long long)ocfs2_metadata_cache_owner(et->et_ci),
+ cpos, new_clusters);
memset(&rec, 0, sizeof(rec));
rec.e_cpos = cpu_to_le32(cpos);
@@ -4779,11 +4698,9 @@ int ocfs2_insert_extent(handle_t *handle,
goto bail;
}
- mlog(0, "Insert.appending: %u, Insert.Contig: %u, "
- "Insert.contig_index: %d, Insert.free_records: %d, "
- "Insert.tree_depth: %d\n",
- insert.ins_appending, insert.ins_contig, insert.ins_contig_index,
- free_records, insert.ins_tree_depth);
+ trace_ocfs2_insert_extent(insert.ins_appending, insert.ins_contig,
+ insert.ins_contig_index, free_records,
+ insert.ins_tree_depth);
if (insert.ins_contig == CONTIG_NONE && free_records == 0) {
status = ocfs2_grow_tree(handle, et,
@@ -4805,7 +4722,6 @@ int ocfs2_insert_extent(handle_t *handle,
bail:
brelse(last_eb_bh);
- mlog_exit(status);
return status;
}
@@ -4825,7 +4741,8 @@ int ocfs2_add_clusters_in_btree(handle_t *handle,
struct ocfs2_alloc_context *meta_ac,
enum ocfs2_alloc_restarted *reason_ret)
{
- int status = 0;
+ int status = 0, err = 0;
+ int need_free = 0;
int free_extents;
enum ocfs2_alloc_restarted reason = RESTART_NONE;
u32 bit_off, num_bits;
@@ -4852,20 +4769,20 @@ int ocfs2_add_clusters_in_btree(handle_t *handle,
* 2) we are so fragmented, we've needed to add metadata too
* many times. */
if (!free_extents && !meta_ac) {
- mlog(0, "we haven't reserved any metadata!\n");
+ err = -1;
status = -EAGAIN;
reason = RESTART_META;
goto leave;
} else if ((!free_extents)
&& (ocfs2_alloc_context_bits_left(meta_ac)
< ocfs2_extend_meta_needed(et->et_root_el))) {
- mlog(0, "filesystem is really fragmented...\n");
+ err = -2;
status = -EAGAIN;
reason = RESTART_META;
goto leave;
}
- status = __ocfs2_claim_clusters(osb, handle, data_ac, 1,
+ status = __ocfs2_claim_clusters(handle, data_ac, 1,
clusters_to_add, &bit_off, &num_bits);
if (status < 0) {
if (status != -ENOSPC)
@@ -4880,40 +4797,50 @@ int ocfs2_add_clusters_in_btree(handle_t *handle,
OCFS2_JOURNAL_ACCESS_WRITE);
if (status < 0) {
mlog_errno(status);
- goto leave;
+ need_free = 1;
+ goto bail;
}
block = ocfs2_clusters_to_blocks(osb->sb, bit_off);
- mlog(0, "Allocating %u clusters at block %u for owner %llu\n",
- num_bits, bit_off,
- (unsigned long long)ocfs2_metadata_cache_owner(et->et_ci));
+ trace_ocfs2_add_clusters_in_btree(
+ (unsigned long long)ocfs2_metadata_cache_owner(et->et_ci),
+ bit_off, num_bits);
status = ocfs2_insert_extent(handle, et, *logical_offset, block,
num_bits, flags, meta_ac);
if (status < 0) {
mlog_errno(status);
- goto leave;
+ need_free = 1;
+ goto bail;
}
- status = ocfs2_journal_dirty(handle, et->et_root_bh);
- if (status < 0) {
- mlog_errno(status);
- goto leave;
- }
+ ocfs2_journal_dirty(handle, et->et_root_bh);
clusters_to_add -= num_bits;
*logical_offset += num_bits;
if (clusters_to_add) {
- mlog(0, "need to alloc once more, wanted = %u\n",
- clusters_to_add);
+ err = clusters_to_add;
status = -EAGAIN;
reason = RESTART_TRANS;
}
+bail:
+ if (need_free) {
+ if (data_ac->ac_which == OCFS2_AC_USE_LOCAL)
+ ocfs2_free_local_alloc_bits(osb, handle, data_ac,
+ bit_off, num_bits);
+ else
+ ocfs2_free_clusters(handle,
+ data_ac->ac_inode,
+ data_ac->ac_bh,
+ ocfs2_clusters_to_blocks(osb->sb, bit_off),
+ num_bits);
+ }
+
leave:
- mlog_exit(status);
if (reason_ret)
*reason_ret = reason;
+ trace_ocfs2_add_clusters_in_btree_ret(status, reason, err);
return status;
}
@@ -5122,7 +5049,7 @@ int ocfs2_split_extent(handle_t *handle,
ocfs2_et_get_last_eb_blk(et),
&last_eb_bh);
if (ret) {
- mlog_exit(ret);
+ mlog_errno(ret);
goto out;
}
@@ -5139,9 +5066,9 @@ int ocfs2_split_extent(handle_t *handle,
ctxt.c_has_empty_extent = ocfs2_is_empty_extent(&el->l_recs[0]);
- mlog(0, "index: %d, contig: %u, has_empty: %u, split_covers: %u\n",
- split_index, ctxt.c_contig_type, ctxt.c_has_empty_extent,
- ctxt.c_split_covers_rec);
+ trace_ocfs2_split_extent(split_index, ctxt.c_contig_type,
+ ctxt.c_has_empty_extent,
+ ctxt.c_split_covers_rec);
if (ctxt.c_contig_type == CONTIG_NONE) {
if (ctxt.c_split_covers_rec)
@@ -5275,8 +5202,9 @@ int ocfs2_mark_extent_written(struct inode *inode,
{
int ret;
- mlog(0, "Inode %lu cpos %u, len %u, phys clusters %u\n",
- inode->i_ino, cpos, len, phys);
+ trace_ocfs2_mark_extent_written(
+ (unsigned long long)OCFS2_I(inode)->ip_blkno,
+ cpos, len, phys);
if (!ocfs2_writes_unwritten_extents(OCFS2_SB(inode->i_sb))) {
ocfs2_error(inode->i_sb, "Inode %llu has unwritten extents "
@@ -5308,7 +5236,7 @@ static int ocfs2_split_tree(handle_t *handle, struct ocfs2_extent_tree *et,
int index, u32 new_range,
struct ocfs2_alloc_context *meta_ac)
{
- int ret, depth, credits = handle->h_buffer_credits;
+ int ret, depth, credits;
struct buffer_head *last_eb_bh = NULL;
struct ocfs2_extent_block *eb;
struct ocfs2_extent_list *rightmost_el, *el;
@@ -5339,8 +5267,8 @@ static int ocfs2_split_tree(handle_t *handle, struct ocfs2_extent_tree *et,
} else
rightmost_el = path_leaf_el(path);
- credits += path->p_tree_depth +
- ocfs2_extend_meta_needed(et->et_root_el);
+ credits = path->p_tree_depth +
+ ocfs2_extend_meta_needed(et->et_root_el);
ret = ocfs2_extend_trans(handle, credits);
if (ret) {
mlog_errno(ret);
@@ -5595,11 +5523,10 @@ int ocfs2_remove_extent(handle_t *handle,
BUG_ON(cpos < le32_to_cpu(rec->e_cpos) || trunc_range > rec_range);
- mlog(0, "Owner %llu, remove (cpos %u, len %u). Existing index %d "
- "(cpos %u, len %u)\n",
- (unsigned long long)ocfs2_metadata_cache_owner(et->et_ci),
- cpos, len, index,
- le32_to_cpu(rec->e_cpos), ocfs2_rec_clusters(el, rec));
+ trace_ocfs2_remove_extent(
+ (unsigned long long)ocfs2_metadata_cache_owner(et->et_ci),
+ cpos, len, index, le32_to_cpu(rec->e_cpos),
+ ocfs2_rec_clusters(el, rec));
if (le32_to_cpu(rec->e_cpos) == cpos || rec_range == trunc_range) {
ret = ocfs2_truncate_rec(handle, et, path, index, dealloc,
@@ -5670,22 +5597,100 @@ out:
return ret;
}
+/*
+ * ocfs2_reserve_blocks_for_rec_trunc() would look basically the
+ * same as ocfs2_lock_alloctors(), except for it accepts a blocks
+ * number to reserve some extra blocks, and it only handles meta
+ * data allocations.
+ *
+ * Currently, only ocfs2_remove_btree_range() uses it for truncating
+ * and punching holes.
+ */
+static int ocfs2_reserve_blocks_for_rec_trunc(struct inode *inode,
+ struct ocfs2_extent_tree *et,
+ u32 extents_to_split,
+ struct ocfs2_alloc_context **ac,
+ int extra_blocks)
+{
+ int ret = 0, num_free_extents;
+ unsigned int max_recs_needed = 2 * extents_to_split;
+ struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
+
+ *ac = NULL;
+
+ num_free_extents = ocfs2_num_free_extents(osb, et);
+ if (num_free_extents < 0) {
+ ret = num_free_extents;
+ mlog_errno(ret);
+ goto out;
+ }
+
+ if (!num_free_extents ||
+ (ocfs2_sparse_alloc(osb) && num_free_extents < max_recs_needed))
+ extra_blocks += ocfs2_extend_meta_needed(et->et_root_el);
+
+ if (extra_blocks) {
+ ret = ocfs2_reserve_new_metadata_blocks(osb, extra_blocks, ac);
+ if (ret < 0) {
+ if (ret != -ENOSPC)
+ mlog_errno(ret);
+ goto out;
+ }
+ }
+
+out:
+ if (ret) {
+ if (*ac) {
+ ocfs2_free_alloc_context(*ac);
+ *ac = NULL;
+ }
+ }
+
+ return ret;
+}
+
int ocfs2_remove_btree_range(struct inode *inode,
struct ocfs2_extent_tree *et,
- u32 cpos, u32 phys_cpos, u32 len,
- struct ocfs2_cached_dealloc_ctxt *dealloc)
+ u32 cpos, u32 phys_cpos, u32 len, int flags,
+ struct ocfs2_cached_dealloc_ctxt *dealloc,
+ u64 refcount_loc)
{
- int ret;
+ int ret, credits = 0, extra_blocks = 0;
u64 phys_blkno = ocfs2_clusters_to_blocks(inode->i_sb, phys_cpos);
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
struct inode *tl_inode = osb->osb_tl_inode;
handle_t *handle;
struct ocfs2_alloc_context *meta_ac = NULL;
+ struct ocfs2_refcount_tree *ref_tree = NULL;
+
+ if ((flags & OCFS2_EXT_REFCOUNTED) && len) {
+ BUG_ON(!(OCFS2_I(inode)->ip_dyn_features &
+ OCFS2_HAS_REFCOUNT_FL));
+
+ ret = ocfs2_lock_refcount_tree(osb, refcount_loc, 1,
+ &ref_tree, NULL);
+ if (ret) {
+ mlog_errno(ret);
+ goto bail;
+ }
- ret = ocfs2_lock_allocators(inode, et, 0, 1, NULL, &meta_ac);
+ ret = ocfs2_prepare_refcount_change_for_del(inode,
+ refcount_loc,
+ phys_blkno,
+ len,
+ &credits,
+ &extra_blocks);
+ if (ret < 0) {
+ mlog_errno(ret);
+ goto bail;
+ }
+ }
+
+ ret = ocfs2_reserve_blocks_for_rec_trunc(inode, et, 1, &meta_ac,
+ extra_blocks);
if (ret) {
mlog_errno(ret);
- return ret;
+ goto bail;
}
mutex_lock(&tl_inode->i_mutex);
@@ -5698,7 +5703,8 @@ int ocfs2_remove_btree_range(struct inode *inode,
}
}
- handle = ocfs2_start_trans(osb, ocfs2_remove_extent_credits(osb->sb));
+ handle = ocfs2_start_trans(osb,
+ ocfs2_remove_extent_credits(osb->sb) + credits);
if (IS_ERR(handle)) {
ret = PTR_ERR(handle);
mlog_errno(ret);
@@ -5709,10 +5715,10 @@ int ocfs2_remove_btree_range(struct inode *inode,
OCFS2_JOURNAL_ACCESS_WRITE);
if (ret) {
mlog_errno(ret);
- goto out;
+ goto out_commit;
}
- vfs_dq_free_space_nodirty(inode,
+ dquot_free_space_nodirty(inode,
ocfs2_clusters_to_bytes(inode->i_sb, len));
ret = ocfs2_remove_extent(handle, et, cpos, len, meta_ac, dealloc);
@@ -5722,25 +5728,36 @@ int ocfs2_remove_btree_range(struct inode *inode,
}
ocfs2_et_update_clusters(et, -len);
+ ocfs2_update_inode_fsync_trans(handle, inode, 1);
- ret = ocfs2_journal_dirty(handle, et->et_root_bh);
- if (ret) {
- mlog_errno(ret);
- goto out_commit;
- }
+ ocfs2_journal_dirty(handle, et->et_root_bh);
- ret = ocfs2_truncate_log_append(osb, handle, phys_blkno, len);
- if (ret)
- mlog_errno(ret);
+ if (phys_blkno) {
+ if (flags & OCFS2_EXT_REFCOUNTED)
+ ret = ocfs2_decrease_refcount(inode, handle,
+ ocfs2_blocks_to_clusters(osb->sb,
+ phys_blkno),
+ len, meta_ac,
+ dealloc, 1);
+ else
+ ret = ocfs2_truncate_log_append(osb, handle,
+ phys_blkno, len);
+ if (ret)
+ mlog_errno(ret);
+
+ }
out_commit:
ocfs2_commit_trans(osb, handle);
out:
mutex_unlock(&tl_inode->i_mutex);
-
+bail:
if (meta_ac)
ocfs2_free_alloc_context(meta_ac);
+ if (ref_tree)
+ ocfs2_unlock_refcount_tree(osb, ref_tree, 1);
+
return ret;
}
@@ -5789,9 +5806,6 @@ int ocfs2_truncate_log_append(struct ocfs2_super *osb,
struct ocfs2_dinode *di;
struct ocfs2_truncate_log *tl;
- mlog_entry("start_blk = %llu, num_clusters = %u\n",
- (unsigned long long)start_blk, num_clusters);
-
BUG_ON(mutex_trylock(&tl_inode->i_mutex));
start_cluster = ocfs2_blocks_to_clusters(osb->sb, start_blk);
@@ -5828,10 +5842,9 @@ int ocfs2_truncate_log_append(struct ocfs2_super *osb,
goto bail;
}
- mlog(0, "Log truncate of %u clusters starting at cluster %u to "
- "%llu (index = %d)\n", num_clusters, start_cluster,
- (unsigned long long)OCFS2_I(tl_inode)->ip_blkno, index);
-
+ trace_ocfs2_truncate_log_append(
+ (unsigned long long)OCFS2_I(tl_inode)->ip_blkno, index,
+ start_cluster, num_clusters);
if (ocfs2_truncate_log_can_coalesce(tl, start_cluster)) {
/*
* Move index back to the record we are coalescing with.
@@ -5840,23 +5853,20 @@ int ocfs2_truncate_log_append(struct ocfs2_super *osb,
index--;
num_clusters += le32_to_cpu(tl->tl_recs[index].t_clusters);
- mlog(0, "Coalesce with index %u (start = %u, clusters = %u)\n",
- index, le32_to_cpu(tl->tl_recs[index].t_start),
- num_clusters);
+ trace_ocfs2_truncate_log_append(
+ (unsigned long long)OCFS2_I(tl_inode)->ip_blkno,
+ index, le32_to_cpu(tl->tl_recs[index].t_start),
+ num_clusters);
} else {
tl->tl_recs[index].t_start = cpu_to_le32(start_cluster);
tl->tl_used = cpu_to_le16(index + 1);
}
tl->tl_recs[index].t_clusters = cpu_to_le32(num_clusters);
- status = ocfs2_journal_dirty(handle, tl_bh);
- if (status < 0) {
- mlog_errno(status);
- goto bail;
- }
+ ocfs2_journal_dirty(handle, tl_bh);
+ osb->truncated_clusters += num_clusters;
bail:
- mlog_exit(status);
return status;
}
@@ -5875,8 +5885,6 @@ static int ocfs2_replay_truncate_records(struct ocfs2_super *osb,
struct inode *tl_inode = osb->osb_tl_inode;
struct buffer_head *tl_bh = osb->osb_tl_bh;
- mlog_entry_void();
-
di = (struct ocfs2_dinode *) tl_bh->b_data;
tl = &di->id2.i_dealloc;
i = le16_to_cpu(tl->tl_used) - 1;
@@ -5892,11 +5900,7 @@ static int ocfs2_replay_truncate_records(struct ocfs2_super *osb,
tl->tl_used = cpu_to_le16(i);
- status = ocfs2_journal_dirty(handle, tl_bh);
- if (status < 0) {
- mlog_errno(status);
- goto bail;
- }
+ ocfs2_journal_dirty(handle, tl_bh);
/* TODO: Perhaps we can calculate the bulk of the
* credits up front rather than extending like
@@ -5916,8 +5920,9 @@ static int ocfs2_replay_truncate_records(struct ocfs2_super *osb,
/* if start_blk is not set, we ignore the record as
* invalid. */
if (start_blk) {
- mlog(0, "free record %d, start = %u, clusters = %u\n",
- i, le32_to_cpu(rec.t_start), num_clusters);
+ trace_ocfs2_replay_truncate_records(
+ (unsigned long long)OCFS2_I(tl_inode)->ip_blkno,
+ i, le32_to_cpu(rec.t_start), num_clusters);
status = ocfs2_free_clusters(handle, data_alloc_inode,
data_alloc_bh, start_blk,
@@ -5930,8 +5935,9 @@ static int ocfs2_replay_truncate_records(struct ocfs2_super *osb,
i--;
}
+ osb->truncated_clusters = 0;
+
bail:
- mlog_exit(status);
return status;
}
@@ -5948,8 +5954,6 @@ int __ocfs2_flush_truncate_log(struct ocfs2_super *osb)
struct ocfs2_dinode *di;
struct ocfs2_truncate_log *tl;
- mlog_entry_void();
-
BUG_ON(mutex_trylock(&tl_inode->i_mutex));
di = (struct ocfs2_dinode *) tl_bh->b_data;
@@ -5961,8 +5965,9 @@ int __ocfs2_flush_truncate_log(struct ocfs2_super *osb)
tl = &di->id2.i_dealloc;
num_to_flush = le16_to_cpu(tl->tl_used);
- mlog(0, "Flush %u records from truncate log #%llu\n",
- num_to_flush, (unsigned long long)OCFS2_I(tl_inode)->ip_blkno);
+ trace_ocfs2_flush_truncate_log(
+ (unsigned long long)OCFS2_I(tl_inode)->ip_blkno,
+ num_to_flush);
if (!num_to_flush) {
status = 0;
goto out;
@@ -6008,7 +6013,6 @@ out_mutex:
iput(data_alloc_inode);
out:
- mlog_exit(status);
return status;
}
@@ -6031,22 +6035,19 @@ static void ocfs2_truncate_log_worker(struct work_struct *work)
container_of(work, struct ocfs2_super,
osb_truncate_log_wq.work);
- mlog_entry_void();
-
status = ocfs2_flush_truncate_log(osb);
if (status < 0)
mlog_errno(status);
else
- ocfs2_init_inode_steal_slot(osb);
-
- mlog_exit(status);
+ ocfs2_init_steal_slots(osb);
}
#define OCFS2_TRUNCATE_LOG_FLUSH_INTERVAL (2 * HZ)
void ocfs2_schedule_truncate_log_flush(struct ocfs2_super *osb,
int cancel)
{
- if (osb->osb_tl_inode) {
+ if (osb->osb_tl_inode &&
+ atomic_read(&osb->osb_tl_disable) == 0) {
/* We want to push off log flushes while truncates are
* still running. */
if (cancel)
@@ -6085,7 +6086,6 @@ static int ocfs2_get_truncate_log_info(struct ocfs2_super *osb,
*tl_inode = inode;
*tl_bh = bh;
bail:
- mlog_exit(status);
return status;
}
@@ -6105,7 +6105,7 @@ int ocfs2_begin_truncate_log_recovery(struct ocfs2_super *osb,
*tl_copy = NULL;
- mlog(0, "recover truncate log from slot %d\n", slot_num);
+ trace_ocfs2_begin_truncate_log_recovery(slot_num);
status = ocfs2_get_truncate_log_info(osb, slot_num, &tl_inode, &tl_bh);
if (status < 0) {
@@ -6122,8 +6122,7 @@ int ocfs2_begin_truncate_log_recovery(struct ocfs2_super *osb,
tl = &di->id2.i_dealloc;
if (le16_to_cpu(tl->tl_used)) {
- mlog(0, "We'll have %u logs to recover\n",
- le16_to_cpu(tl->tl_used));
+ trace_ocfs2_truncate_log_recovery_num(le16_to_cpu(tl->tl_used));
*tl_copy = kmalloc(tl_bh->b_size, GFP_KERNEL);
if (!(*tl_copy)) {
@@ -6156,9 +6155,9 @@ bail:
if (status < 0 && (*tl_copy)) {
kfree(*tl_copy);
*tl_copy = NULL;
+ mlog_errno(status);
}
- mlog_exit(status);
return status;
}
@@ -6173,8 +6172,6 @@ int ocfs2_complete_truncate_log_recovery(struct ocfs2_super *osb,
struct inode *tl_inode = osb->osb_tl_inode;
struct ocfs2_truncate_log *tl;
- mlog_entry_void();
-
if (OCFS2_I(tl_inode)->ip_blkno == le64_to_cpu(tl_copy->i_blkno)) {
mlog(ML_ERROR, "Asked to recover my own truncate log!\n");
return -EINVAL;
@@ -6182,8 +6179,9 @@ int ocfs2_complete_truncate_log_recovery(struct ocfs2_super *osb,
tl = &tl_copy->id2.i_dealloc;
num_recs = le16_to_cpu(tl->tl_used);
- mlog(0, "cleanup %u records from %llu\n", num_recs,
- (unsigned long long)le64_to_cpu(tl_copy->i_blkno));
+ trace_ocfs2_complete_truncate_log_recovery(
+ (unsigned long long)le64_to_cpu(tl_copy->i_blkno),
+ num_recs);
mutex_lock(&tl_inode->i_mutex);
for(i = 0; i < num_recs; i++) {
@@ -6218,7 +6216,6 @@ int ocfs2_complete_truncate_log_recovery(struct ocfs2_super *osb,
bail_up:
mutex_unlock(&tl_inode->i_mutex);
- mlog_exit(status);
return status;
}
@@ -6227,7 +6224,7 @@ void ocfs2_truncate_log_shutdown(struct ocfs2_super *osb)
int status;
struct inode *tl_inode = osb->osb_tl_inode;
- mlog_entry_void();
+ atomic_set(&osb->osb_tl_disable, 1);
if (tl_inode) {
cancel_delayed_work(&osb->osb_truncate_log_wq);
@@ -6240,8 +6237,6 @@ void ocfs2_truncate_log_shutdown(struct ocfs2_super *osb)
brelse(osb->osb_tl_bh);
iput(osb->osb_tl_inode);
}
-
- mlog_exit_void();
}
int ocfs2_truncate_log_init(struct ocfs2_super *osb)
@@ -6250,8 +6245,6 @@ int ocfs2_truncate_log_init(struct ocfs2_super *osb)
struct inode *tl_inode = NULL;
struct buffer_head *tl_bh = NULL;
- mlog_entry_void();
-
status = ocfs2_get_truncate_log_info(osb,
osb->slot_num,
&tl_inode,
@@ -6264,10 +6257,10 @@ int ocfs2_truncate_log_init(struct ocfs2_super *osb)
* until we're sure all is well. */
INIT_DELAYED_WORK(&osb->osb_truncate_log_wq,
ocfs2_truncate_log_worker);
+ atomic_set(&osb->osb_tl_disable, 0);
osb->osb_tl_bh = tl_bh;
osb->osb_tl_inode = tl_inode;
- mlog_exit(status);
return status;
}
@@ -6297,6 +6290,7 @@ int ocfs2_truncate_log_init(struct ocfs2_super *osb)
*/
struct ocfs2_cached_block_free {
struct ocfs2_cached_block_free *free_next;
+ u64 free_bg;
u64 free_blk;
unsigned int free_bit;
};
@@ -6343,10 +6337,13 @@ static int ocfs2_free_cached_blocks(struct ocfs2_super *osb,
}
while (head) {
- bg_blkno = ocfs2_which_suballoc_group(head->free_blk,
- head->free_bit);
- mlog(0, "Free bit: (bit %u, blkno %llu)\n",
- head->free_bit, (unsigned long long)head->free_blk);
+ if (head->free_bg)
+ bg_blkno = head->free_bg;
+ else
+ bg_blkno = ocfs2_which_suballoc_group(head->free_blk,
+ head->free_bit);
+ trace_ocfs2_free_cached_blocks(
+ (unsigned long long)head->free_blk, head->free_bit);
ret = ocfs2_free_suballoc_bits(handle, inode, di_bh,
head->free_bit, bg_blkno, 1);
@@ -6392,15 +6389,14 @@ int ocfs2_cache_cluster_dealloc(struct ocfs2_cached_dealloc_ctxt *ctxt,
int ret = 0;
struct ocfs2_cached_block_free *item;
- item = kmalloc(sizeof(*item), GFP_NOFS);
+ item = kzalloc(sizeof(*item), GFP_NOFS);
if (item == NULL) {
ret = -ENOMEM;
mlog_errno(ret);
return ret;
}
- mlog(0, "Insert clusters: (bit %u, blk %llu)\n",
- bit, (unsigned long long)blkno);
+ trace_ocfs2_cache_cluster_dealloc((unsigned long long)blkno, bit);
item->free_blk = blkno;
item->free_bit = bit;
@@ -6475,8 +6471,8 @@ int ocfs2_run_deallocs(struct ocfs2_super *osb,
fl = ctxt->c_first_suballocator;
if (fl->f_first) {
- mlog(0, "Free items: (type %u, slot %d)\n",
- fl->f_inode_type, fl->f_slot);
+ trace_ocfs2_run_deallocs(fl->f_inode_type,
+ fl->f_slot);
ret2 = ocfs2_free_cached_blocks(osb,
fl->f_inode_type,
fl->f_slot,
@@ -6532,8 +6528,8 @@ ocfs2_find_per_slot_free_list(int type,
}
int ocfs2_cache_block_dealloc(struct ocfs2_cached_dealloc_ctxt *ctxt,
- int type, int slot, u64 blkno,
- unsigned int bit)
+ int type, int slot, u64 suballoc,
+ u64 blkno, unsigned int bit)
{
int ret;
struct ocfs2_per_slot_free_list *fl;
@@ -6546,16 +6542,18 @@ int ocfs2_cache_block_dealloc(struct ocfs2_cached_dealloc_ctxt *ctxt,
goto out;
}
- item = kmalloc(sizeof(*item), GFP_NOFS);
+ item = kzalloc(sizeof(*item), GFP_NOFS);
if (item == NULL) {
ret = -ENOMEM;
mlog_errno(ret);
goto out;
}
- mlog(0, "Insert: (type %d, slot %u, bit %u, blk %llu)\n",
- type, slot, bit, (unsigned long long)blkno);
+ trace_ocfs2_cache_block_dealloc(type, slot,
+ (unsigned long long)suballoc,
+ (unsigned long long)blkno, bit);
+ item->free_bg = suballoc;
item->free_blk = blkno;
item->free_bit = bit;
item->free_next = fl->f_first;
@@ -6572,433 +6570,11 @@ static int ocfs2_cache_extent_block_free(struct ocfs2_cached_dealloc_ctxt *ctxt,
{
return ocfs2_cache_block_dealloc(ctxt, EXTENT_ALLOC_SYSTEM_INODE,
le16_to_cpu(eb->h_suballoc_slot),
+ le64_to_cpu(eb->h_suballoc_loc),
le64_to_cpu(eb->h_blkno),
le16_to_cpu(eb->h_suballoc_bit));
}
-/* This function will figure out whether the currently last extent
- * block will be deleted, and if it will, what the new last extent
- * block will be so we can update his h_next_leaf_blk field, as well
- * as the dinodes i_last_eb_blk */
-static int ocfs2_find_new_last_ext_blk(struct inode *inode,
- unsigned int clusters_to_del,
- struct ocfs2_path *path,
- struct buffer_head **new_last_eb)
-{
- int next_free, ret = 0;
- u32 cpos;
- struct ocfs2_extent_rec *rec;
- struct ocfs2_extent_block *eb;
- struct ocfs2_extent_list *el;
- struct buffer_head *bh = NULL;
-
- *new_last_eb = NULL;
-
- /* we have no tree, so of course, no last_eb. */
- if (!path->p_tree_depth)
- goto out;
-
- /* trunc to zero special case - this makes tree_depth = 0
- * regardless of what it is. */
- if (OCFS2_I(inode)->ip_clusters == clusters_to_del)
- goto out;
-
- el = path_leaf_el(path);
- BUG_ON(!el->l_next_free_rec);
-
- /*
- * Make sure that this extent list will actually be empty
- * after we clear away the data. We can shortcut out if
- * there's more than one non-empty extent in the
- * list. Otherwise, a check of the remaining extent is
- * necessary.
- */
- next_free = le16_to_cpu(el->l_next_free_rec);
- rec = NULL;
- if (ocfs2_is_empty_extent(&el->l_recs[0])) {
- if (next_free > 2)
- goto out;
-
- /* We may have a valid extent in index 1, check it. */
- if (next_free == 2)
- rec = &el->l_recs[1];
-
- /*
- * Fall through - no more nonempty extents, so we want
- * to delete this leaf.
- */
- } else {
- if (next_free > 1)
- goto out;
-
- rec = &el->l_recs[0];
- }
-
- if (rec) {
- /*
- * Check it we'll only be trimming off the end of this
- * cluster.
- */
- if (le16_to_cpu(rec->e_leaf_clusters) > clusters_to_del)
- goto out;
- }
-
- ret = ocfs2_find_cpos_for_left_leaf(inode->i_sb, path, &cpos);
- if (ret) {
- mlog_errno(ret);
- goto out;
- }
-
- ret = ocfs2_find_leaf(INODE_CACHE(inode), path_root_el(path), cpos, &bh);
- if (ret) {
- mlog_errno(ret);
- goto out;
- }
-
- eb = (struct ocfs2_extent_block *) bh->b_data;
- el = &eb->h_list;
-
- /* ocfs2_find_leaf() gets the eb from ocfs2_read_extent_block().
- * Any corruption is a code bug. */
- BUG_ON(!OCFS2_IS_VALID_EXTENT_BLOCK(eb));
-
- *new_last_eb = bh;
- get_bh(*new_last_eb);
- mlog(0, "returning block %llu, (cpos: %u)\n",
- (unsigned long long)le64_to_cpu(eb->h_blkno), cpos);
-out:
- brelse(bh);
-
- return ret;
-}
-
-/*
- * Trim some clusters off the rightmost edge of a tree. Only called
- * during truncate.
- *
- * The caller needs to:
- * - start journaling of each path component.
- * - compute and fully set up any new last ext block
- */
-static int ocfs2_trim_tree(struct inode *inode, struct ocfs2_path *path,
- handle_t *handle, struct ocfs2_truncate_context *tc,
- u32 clusters_to_del, u64 *delete_start, u8 *flags)
-{
- int ret, i, index = path->p_tree_depth;
- u32 new_edge = 0;
- u64 deleted_eb = 0;
- struct buffer_head *bh;
- struct ocfs2_extent_list *el;
- struct ocfs2_extent_rec *rec;
-
- *delete_start = 0;
- *flags = 0;
-
- while (index >= 0) {
- bh = path->p_node[index].bh;
- el = path->p_node[index].el;
-
- mlog(0, "traveling tree (index = %d, block = %llu)\n",
- index, (unsigned long long)bh->b_blocknr);
-
- BUG_ON(le16_to_cpu(el->l_next_free_rec) == 0);
-
- if (index !=
- (path->p_tree_depth - le16_to_cpu(el->l_tree_depth))) {
- ocfs2_error(inode->i_sb,
- "Inode %lu has invalid ext. block %llu",
- inode->i_ino,
- (unsigned long long)bh->b_blocknr);
- ret = -EROFS;
- goto out;
- }
-
-find_tail_record:
- i = le16_to_cpu(el->l_next_free_rec) - 1;
- rec = &el->l_recs[i];
-
- mlog(0, "Extent list before: record %d: (%u, %u, %llu), "
- "next = %u\n", i, le32_to_cpu(rec->e_cpos),
- ocfs2_rec_clusters(el, rec),
- (unsigned long long)le64_to_cpu(rec->e_blkno),
- le16_to_cpu(el->l_next_free_rec));
-
- BUG_ON(ocfs2_rec_clusters(el, rec) < clusters_to_del);
-
- if (le16_to_cpu(el->l_tree_depth) == 0) {
- /*
- * If the leaf block contains a single empty
- * extent and no records, we can just remove
- * the block.
- */
- if (i == 0 && ocfs2_is_empty_extent(rec)) {
- memset(rec, 0,
- sizeof(struct ocfs2_extent_rec));
- el->l_next_free_rec = cpu_to_le16(0);
-
- goto delete;
- }
-
- /*
- * Remove any empty extents by shifting things
- * left. That should make life much easier on
- * the code below. This condition is rare
- * enough that we shouldn't see a performance
- * hit.
- */
- if (ocfs2_is_empty_extent(&el->l_recs[0])) {
- le16_add_cpu(&el->l_next_free_rec, -1);
-
- for(i = 0;
- i < le16_to_cpu(el->l_next_free_rec); i++)
- el->l_recs[i] = el->l_recs[i + 1];
-
- memset(&el->l_recs[i], 0,
- sizeof(struct ocfs2_extent_rec));
-
- /*
- * We've modified our extent list. The
- * simplest way to handle this change
- * is to being the search from the
- * start again.
- */
- goto find_tail_record;
- }
-
- le16_add_cpu(&rec->e_leaf_clusters, -clusters_to_del);
-
- /*
- * We'll use "new_edge" on our way back up the
- * tree to know what our rightmost cpos is.
- */
- new_edge = le16_to_cpu(rec->e_leaf_clusters);
- new_edge += le32_to_cpu(rec->e_cpos);
-
- /*
- * The caller will use this to delete data blocks.
- */
- *delete_start = le64_to_cpu(rec->e_blkno)
- + ocfs2_clusters_to_blocks(inode->i_sb,
- le16_to_cpu(rec->e_leaf_clusters));
- *flags = rec->e_flags;
-
- /*
- * If it's now empty, remove this record.
- */
- if (le16_to_cpu(rec->e_leaf_clusters) == 0) {
- memset(rec, 0,
- sizeof(struct ocfs2_extent_rec));
- le16_add_cpu(&el->l_next_free_rec, -1);
- }
- } else {
- if (le64_to_cpu(rec->e_blkno) == deleted_eb) {
- memset(rec, 0,
- sizeof(struct ocfs2_extent_rec));
- le16_add_cpu(&el->l_next_free_rec, -1);
-
- goto delete;
- }
-
- /* Can this actually happen? */
- if (le16_to_cpu(el->l_next_free_rec) == 0)
- goto delete;
-
- /*
- * We never actually deleted any clusters
- * because our leaf was empty. There's no
- * reason to adjust the rightmost edge then.
- */
- if (new_edge == 0)
- goto delete;
-
- rec->e_int_clusters = cpu_to_le32(new_edge);
- le32_add_cpu(&rec->e_int_clusters,
- -le32_to_cpu(rec->e_cpos));
-
- /*
- * A deleted child record should have been
- * caught above.
- */
- BUG_ON(le32_to_cpu(rec->e_int_clusters) == 0);
- }
-
-delete:
- ret = ocfs2_journal_dirty(handle, bh);
- if (ret) {
- mlog_errno(ret);
- goto out;
- }
-
- mlog(0, "extent list container %llu, after: record %d: "
- "(%u, %u, %llu), next = %u.\n",
- (unsigned long long)bh->b_blocknr, i,
- le32_to_cpu(rec->e_cpos), ocfs2_rec_clusters(el, rec),
- (unsigned long long)le64_to_cpu(rec->e_blkno),
- le16_to_cpu(el->l_next_free_rec));
-
- /*
- * We must be careful to only attempt delete of an
- * extent block (and not the root inode block).
- */
- if (index > 0 && le16_to_cpu(el->l_next_free_rec) == 0) {
- struct ocfs2_extent_block *eb =
- (struct ocfs2_extent_block *)bh->b_data;
-
- /*
- * Save this for use when processing the
- * parent block.
- */
- deleted_eb = le64_to_cpu(eb->h_blkno);
-
- mlog(0, "deleting this extent block.\n");
-
- ocfs2_remove_from_cache(INODE_CACHE(inode), bh);
-
- BUG_ON(ocfs2_rec_clusters(el, &el->l_recs[0]));
- BUG_ON(le32_to_cpu(el->l_recs[0].e_cpos));
- BUG_ON(le64_to_cpu(el->l_recs[0].e_blkno));
-
- ret = ocfs2_cache_extent_block_free(&tc->tc_dealloc, eb);
- /* An error here is not fatal. */
- if (ret < 0)
- mlog_errno(ret);
- } else {
- deleted_eb = 0;
- }
-
- index--;
- }
-
- ret = 0;
-out:
- return ret;
-}
-
-static int ocfs2_do_truncate(struct ocfs2_super *osb,
- unsigned int clusters_to_del,
- struct inode *inode,
- struct buffer_head *fe_bh,
- handle_t *handle,
- struct ocfs2_truncate_context *tc,
- struct ocfs2_path *path,
- struct ocfs2_alloc_context *meta_ac)
-{
- int status;
- struct ocfs2_dinode *fe;
- struct ocfs2_extent_block *last_eb = NULL;
- struct ocfs2_extent_list *el;
- struct buffer_head *last_eb_bh = NULL;
- u64 delete_blk = 0;
- u8 rec_flags;
-
- fe = (struct ocfs2_dinode *) fe_bh->b_data;
-
- status = ocfs2_find_new_last_ext_blk(inode, clusters_to_del,
- path, &last_eb_bh);
- if (status < 0) {
- mlog_errno(status);
- goto bail;
- }
-
- /*
- * Each component will be touched, so we might as well journal
- * here to avoid having to handle errors later.
- */
- status = ocfs2_journal_access_path(INODE_CACHE(inode), handle, path);
- if (status < 0) {
- mlog_errno(status);
- goto bail;
- }
-
- if (last_eb_bh) {
- status = ocfs2_journal_access_eb(handle, INODE_CACHE(inode), last_eb_bh,
- OCFS2_JOURNAL_ACCESS_WRITE);
- if (status < 0) {
- mlog_errno(status);
- goto bail;
- }
-
- last_eb = (struct ocfs2_extent_block *) last_eb_bh->b_data;
- }
-
- el = &(fe->id2.i_list);
-
- /*
- * Lower levels depend on this never happening, but it's best
- * to check it up here before changing the tree.
- */
- if (el->l_tree_depth && el->l_recs[0].e_int_clusters == 0) {
- ocfs2_error(inode->i_sb,
- "Inode %lu has an empty extent record, depth %u\n",
- inode->i_ino, le16_to_cpu(el->l_tree_depth));
- status = -EROFS;
- goto bail;
- }
-
- vfs_dq_free_space_nodirty(inode,
- ocfs2_clusters_to_bytes(osb->sb, clusters_to_del));
- spin_lock(&OCFS2_I(inode)->ip_lock);
- OCFS2_I(inode)->ip_clusters = le32_to_cpu(fe->i_clusters) -
- clusters_to_del;
- spin_unlock(&OCFS2_I(inode)->ip_lock);
- le32_add_cpu(&fe->i_clusters, -clusters_to_del);
- inode->i_blocks = ocfs2_inode_sector_count(inode);
-
- status = ocfs2_trim_tree(inode, path, handle, tc,
- clusters_to_del, &delete_blk, &rec_flags);
- if (status) {
- mlog_errno(status);
- goto bail;
- }
-
- if (le32_to_cpu(fe->i_clusters) == 0) {
- /* trunc to zero is a special case. */
- el->l_tree_depth = 0;
- fe->i_last_eb_blk = 0;
- } else if (last_eb)
- fe->i_last_eb_blk = last_eb->h_blkno;
-
- status = ocfs2_journal_dirty(handle, fe_bh);
- if (status < 0) {
- mlog_errno(status);
- goto bail;
- }
-
- if (last_eb) {
- /* If there will be a new last extent block, then by
- * definition, there cannot be any leaves to the right of
- * him. */
- last_eb->h_next_leaf_blk = 0;
- status = ocfs2_journal_dirty(handle, last_eb_bh);
- if (status < 0) {
- mlog_errno(status);
- goto bail;
- }
- }
-
- if (delete_blk) {
- if (rec_flags & OCFS2_EXT_REFCOUNTED)
- status = ocfs2_decrease_refcount(inode, handle,
- ocfs2_blocks_to_clusters(osb->sb,
- delete_blk),
- clusters_to_del, meta_ac,
- &tc->tc_dealloc, 1);
- else
- status = ocfs2_truncate_log_append(osb, handle,
- delete_blk,
- clusters_to_del);
- if (status < 0) {
- mlog_errno(status);
- goto bail;
- }
- }
- status = 0;
-bail:
- brelse(last_eb_bh);
- mlog_exit(status);
- return status;
-}
-
static int ocfs2_zero_func(handle_t *handle, struct buffer_head *bh)
{
set_buffer_uptodate(bh);
@@ -7090,7 +6666,7 @@ int ocfs2_grab_pages(struct inode *inode, loff_t start, loff_t end,
last_page_bytes = PAGE_ALIGN(end);
index = start >> PAGE_CACHE_SHIFT;
do {
- pages[numpages] = grab_cache_page(mapping, index);
+ pages[numpages] = find_or_create_page(mapping, index, GFP_NOFS);
if (!pages[numpages]) {
ret = -ENOMEM;
mlog_errno(ret);
@@ -7196,8 +6772,7 @@ int ocfs2_zero_range_for_truncate(struct inode *inode, handle_t *handle,
mlog_errno(ret);
out:
- if (pages)
- kfree(pages);
+ kfree(pages);
return ret;
}
@@ -7251,6 +6826,8 @@ int ocfs2_convert_inline_data_to_extents(struct inode *inode,
struct buffer_head *di_bh)
{
int ret, i, has_data, num_pages = 0;
+ int need_free = 0;
+ u32 bit_off, num;
handle_t *handle;
u64 uninitialized_var(block);
struct ocfs2_inode_info *oi = OCFS2_I(inode);
@@ -7296,18 +6873,18 @@ int ocfs2_convert_inline_data_to_extents(struct inode *inode,
}
if (has_data) {
- u32 bit_off, num;
unsigned int page_end;
u64 phys;
- if (vfs_dq_alloc_space_nodirty(inode,
- ocfs2_clusters_to_bytes(osb->sb, 1))) {
- ret = -EDQUOT;
+ ret = dquot_alloc_space_nodirty(inode,
+ ocfs2_clusters_to_bytes(osb->sb, 1));
+ if (ret)
goto out_commit;
- }
did_quota = 1;
- ret = ocfs2_claim_clusters(osb, handle, data_ac, 1, &bit_off,
+ data_ac->ac_resv = &OCFS2_I(inode)->ip_la_data_resv;
+
+ ret = ocfs2_claim_clusters(handle, data_ac, 1, &bit_off,
&num);
if (ret) {
mlog_errno(ret);
@@ -7331,6 +6908,7 @@ int ocfs2_convert_inline_data_to_extents(struct inode *inode,
ret = ocfs2_grab_eof_pages(inode, 0, end, pages, &num_pages);
if (ret) {
mlog_errno(ret);
+ need_free = 1;
goto out_commit;
}
@@ -7341,6 +6919,7 @@ int ocfs2_convert_inline_data_to_extents(struct inode *inode,
ret = ocfs2_read_inline_data(inode, pages[0], di_bh);
if (ret) {
mlog_errno(ret);
+ need_free = 1;
goto out_commit;
}
@@ -7358,6 +6937,7 @@ int ocfs2_convert_inline_data_to_extents(struct inode *inode,
di->i_dyn_features = cpu_to_le16(oi->ip_dyn_features);
spin_unlock(&oi->ip_lock);
+ ocfs2_update_inode_fsync_trans(handle, inode, 1);
ocfs2_dinode_new_extent_list(inode, di);
ocfs2_journal_dirty(handle, di_bh);
@@ -7372,6 +6952,7 @@ int ocfs2_convert_inline_data_to_extents(struct inode *inode,
ret = ocfs2_insert_extent(handle, &et, 0, block, 1, 0, NULL);
if (ret) {
mlog_errno(ret);
+ need_free = 1;
goto out_commit;
}
@@ -7380,9 +6961,21 @@ int ocfs2_convert_inline_data_to_extents(struct inode *inode,
out_commit:
if (ret < 0 && did_quota)
- vfs_dq_free_space_nodirty(inode,
+ dquot_free_space_nodirty(inode,
ocfs2_clusters_to_bytes(osb->sb, 1));
+ if (need_free) {
+ if (data_ac->ac_which == OCFS2_AC_USE_LOCAL)
+ ocfs2_free_local_alloc_bits(osb, handle, data_ac,
+ bit_off, num);
+ else
+ ocfs2_free_clusters(handle,
+ data_ac->ac_inode,
+ data_ac->ac_bh,
+ ocfs2_clusters_to_blocks(osb->sb, bit_off),
+ num);
+ }
+
ocfs2_commit_trans(osb, handle);
out_unlock:
@@ -7406,26 +6999,27 @@ out:
*/
int ocfs2_commit_truncate(struct ocfs2_super *osb,
struct inode *inode,
- struct buffer_head *fe_bh,
- struct ocfs2_truncate_context *tc)
+ struct buffer_head *di_bh)
{
- int status, i, credits, tl_sem = 0;
- u32 clusters_to_del, new_highest_cpos, range;
+ int status = 0, i, flags = 0;
+ u32 new_highest_cpos, range, trunc_cpos, trunc_len, phys_cpos, coff;
u64 blkno = 0;
struct ocfs2_extent_list *el;
- handle_t *handle = NULL;
- struct inode *tl_inode = osb->osb_tl_inode;
+ struct ocfs2_extent_rec *rec;
struct ocfs2_path *path = NULL;
- struct ocfs2_dinode *di = (struct ocfs2_dinode *)fe_bh->b_data;
- struct ocfs2_alloc_context *meta_ac = NULL;
- struct ocfs2_refcount_tree *ref_tree = NULL;
+ struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data;
+ struct ocfs2_extent_list *root_el = &(di->id2.i_list);
+ u64 refcount_loc = le64_to_cpu(di->i_refcount_loc);
+ struct ocfs2_extent_tree et;
+ struct ocfs2_cached_dealloc_ctxt dealloc;
- mlog_entry_void();
+ ocfs2_init_dinode_extent_tree(&et, INODE_CACHE(inode), di_bh);
+ ocfs2_init_dealloc_ctxt(&dealloc);
new_highest_cpos = ocfs2_clusters_for_bytes(osb->sb,
i_size_read(inode));
- path = ocfs2_new_path(fe_bh, &di->id2.i_list,
+ path = ocfs2_new_path(di_bh, &di->id2.i_list,
ocfs2_journal_access_di);
if (!path) {
status = -ENOMEM;
@@ -7444,8 +7038,6 @@ start:
goto bail;
}
- credits = 0;
-
/*
* Truncate always works against the rightmost tree branch.
*/
@@ -7455,8 +7047,11 @@ start:
goto bail;
}
- mlog(0, "inode->ip_clusters = %u, tree_depth = %u\n",
- OCFS2_I(inode)->ip_clusters, path->p_tree_depth);
+ trace_ocfs2_commit_truncate(
+ (unsigned long long)OCFS2_I(inode)->ip_blkno,
+ new_highest_cpos,
+ OCFS2_I(inode)->ip_clusters,
+ path->p_tree_depth);
/*
* By now, el will point to the extent list on the bottom most
@@ -7480,101 +7075,62 @@ start:
}
i = le16_to_cpu(el->l_next_free_rec) - 1;
- range = le32_to_cpu(el->l_recs[i].e_cpos) +
- ocfs2_rec_clusters(el, &el->l_recs[i]);
- if (i == 0 && ocfs2_is_empty_extent(&el->l_recs[i])) {
- clusters_to_del = 0;
- } else if (le32_to_cpu(el->l_recs[i].e_cpos) >= new_highest_cpos) {
- clusters_to_del = ocfs2_rec_clusters(el, &el->l_recs[i]);
- blkno = le64_to_cpu(el->l_recs[i].e_blkno);
+ rec = &el->l_recs[i];
+ flags = rec->e_flags;
+ range = le32_to_cpu(rec->e_cpos) + ocfs2_rec_clusters(el, rec);
+
+ if (i == 0 && ocfs2_is_empty_extent(rec)) {
+ /*
+ * Lower levels depend on this never happening, but it's best
+ * to check it up here before changing the tree.
+ */
+ if (root_el->l_tree_depth && rec->e_int_clusters == 0) {
+ ocfs2_error(inode->i_sb, "Inode %lu has an empty "
+ "extent record, depth %u\n", inode->i_ino,
+ le16_to_cpu(root_el->l_tree_depth));
+ status = -EROFS;
+ goto bail;
+ }
+ trunc_cpos = le32_to_cpu(rec->e_cpos);
+ trunc_len = 0;
+ blkno = 0;
+ } else if (le32_to_cpu(rec->e_cpos) >= new_highest_cpos) {
+ /*
+ * Truncate entire record.
+ */
+ trunc_cpos = le32_to_cpu(rec->e_cpos);
+ trunc_len = ocfs2_rec_clusters(el, rec);
+ blkno = le64_to_cpu(rec->e_blkno);
} else if (range > new_highest_cpos) {
- clusters_to_del = (ocfs2_rec_clusters(el, &el->l_recs[i]) +
- le32_to_cpu(el->l_recs[i].e_cpos)) -
- new_highest_cpos;
- blkno = le64_to_cpu(el->l_recs[i].e_blkno) +
- ocfs2_clusters_to_blocks(inode->i_sb,
- ocfs2_rec_clusters(el, &el->l_recs[i]) -
- clusters_to_del);
+ /*
+ * Partial truncate. it also should be
+ * the last truncate we're doing.
+ */
+ trunc_cpos = new_highest_cpos;
+ trunc_len = range - new_highest_cpos;
+ coff = new_highest_cpos - le32_to_cpu(rec->e_cpos);
+ blkno = le64_to_cpu(rec->e_blkno) +
+ ocfs2_clusters_to_blocks(inode->i_sb, coff);
} else {
+ /*
+ * Truncate completed, leave happily.
+ */
status = 0;
goto bail;
}
- mlog(0, "clusters_to_del = %u in this pass, tail blk=%llu\n",
- clusters_to_del, (unsigned long long)path_leaf_bh(path)->b_blocknr);
-
- if (el->l_recs[i].e_flags & OCFS2_EXT_REFCOUNTED && clusters_to_del) {
- BUG_ON(!(OCFS2_I(inode)->ip_dyn_features &
- OCFS2_HAS_REFCOUNT_FL));
-
- status = ocfs2_lock_refcount_tree(osb,
- le64_to_cpu(di->i_refcount_loc),
- 1, &ref_tree, NULL);
- if (status) {
- mlog_errno(status);
- goto bail;
- }
-
- status = ocfs2_prepare_refcount_change_for_del(inode, fe_bh,
- blkno,
- clusters_to_del,
- &credits,
- &meta_ac);
- if (status < 0) {
- mlog_errno(status);
- goto bail;
- }
- }
-
- mutex_lock(&tl_inode->i_mutex);
- tl_sem = 1;
- /* ocfs2_truncate_log_needs_flush guarantees us at least one
- * record is free for use. If there isn't any, we flush to get
- * an empty truncate log. */
- if (ocfs2_truncate_log_needs_flush(osb)) {
- status = __ocfs2_flush_truncate_log(osb);
- if (status < 0) {
- mlog_errno(status);
- goto bail;
- }
- }
-
- credits += ocfs2_calc_tree_trunc_credits(osb->sb, clusters_to_del,
- (struct ocfs2_dinode *)fe_bh->b_data,
- el);
- handle = ocfs2_start_trans(osb, credits);
- if (IS_ERR(handle)) {
- status = PTR_ERR(handle);
- handle = NULL;
- mlog_errno(status);
- goto bail;
- }
+ phys_cpos = ocfs2_blocks_to_clusters(inode->i_sb, blkno);
- status = ocfs2_do_truncate(osb, clusters_to_del, inode, fe_bh, handle,
- tc, path, meta_ac);
+ status = ocfs2_remove_btree_range(inode, &et, trunc_cpos,
+ phys_cpos, trunc_len, flags, &dealloc,
+ refcount_loc);
if (status < 0) {
mlog_errno(status);
goto bail;
}
- mutex_unlock(&tl_inode->i_mutex);
- tl_sem = 0;
-
- ocfs2_commit_trans(osb, handle);
- handle = NULL;
-
ocfs2_reinit_path(path, 1);
- if (meta_ac) {
- ocfs2_free_alloc_context(meta_ac);
- meta_ac = NULL;
- }
-
- if (ref_tree) {
- ocfs2_unlock_refcount_tree(osb, ref_tree, 1);
- ref_tree = NULL;
- }
-
/*
* The check above will catch the case where we've truncated
* away all allocation.
@@ -7585,84 +7141,10 @@ bail:
ocfs2_schedule_truncate_log_flush(osb, 1);
- if (tl_sem)
- mutex_unlock(&tl_inode->i_mutex);
-
- if (handle)
- ocfs2_commit_trans(osb, handle);
-
- if (meta_ac)
- ocfs2_free_alloc_context(meta_ac);
-
- if (ref_tree)
- ocfs2_unlock_refcount_tree(osb, ref_tree, 1);
-
- ocfs2_run_deallocs(osb, &tc->tc_dealloc);
+ ocfs2_run_deallocs(osb, &dealloc);
ocfs2_free_path(path);
- /* This will drop the ext_alloc cluster lock for us */
- ocfs2_free_truncate_context(tc);
-
- mlog_exit(status);
- return status;
-}
-
-/*
- * Expects the inode to already be locked.
- */
-int ocfs2_prepare_truncate(struct ocfs2_super *osb,
- struct inode *inode,
- struct buffer_head *fe_bh,
- struct ocfs2_truncate_context **tc)
-{
- int status;
- unsigned int new_i_clusters;
- struct ocfs2_dinode *fe;
- struct ocfs2_extent_block *eb;
- struct buffer_head *last_eb_bh = NULL;
-
- mlog_entry_void();
-
- *tc = NULL;
-
- new_i_clusters = ocfs2_clusters_for_bytes(osb->sb,
- i_size_read(inode));
- fe = (struct ocfs2_dinode *) fe_bh->b_data;
-
- mlog(0, "fe->i_clusters = %u, new_i_clusters = %u, fe->i_size ="
- "%llu\n", le32_to_cpu(fe->i_clusters), new_i_clusters,
- (unsigned long long)le64_to_cpu(fe->i_size));
-
- *tc = kzalloc(sizeof(struct ocfs2_truncate_context), GFP_KERNEL);
- if (!(*tc)) {
- status = -ENOMEM;
- mlog_errno(status);
- goto bail;
- }
- ocfs2_init_dealloc_ctxt(&(*tc)->tc_dealloc);
-
- if (fe->id2.i_list.l_tree_depth) {
- status = ocfs2_read_extent_block(INODE_CACHE(inode),
- le64_to_cpu(fe->i_last_eb_blk),
- &last_eb_bh);
- if (status < 0) {
- mlog_errno(status);
- goto bail;
- }
- eb = (struct ocfs2_extent_block *) last_eb_bh->b_data;
- }
-
- (*tc)->tc_last_eb_bh = last_eb_bh;
-
- status = 0;
-bail:
- if (status < 0) {
- if (*tc)
- ocfs2_free_truncate_context(*tc);
- *tc = NULL;
- }
- mlog_exit_void();
return status;
}
@@ -7682,7 +7164,7 @@ int ocfs2_truncate_inline(struct inode *inode, struct buffer_head *di_bh,
if (end > i_size_read(inode))
end = i_size_read(inode);
- BUG_ON(start >= end);
+ BUG_ON(start > end);
if (!(OCFS2_I(inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL) ||
!(le16_to_cpu(di->i_dyn_features) & OCFS2_INLINE_DATA_FL) ||
@@ -7732,6 +7214,7 @@ int ocfs2_truncate_inline(struct inode *inode, struct buffer_head *di_bh,
di->i_ctime = di->i_mtime = cpu_to_le64(inode->i_ctime.tv_sec);
di->i_ctime_nsec = di->i_mtime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec);
+ ocfs2_update_inode_fsync_trans(handle, inode, 1);
ocfs2_journal_dirty(handle, di_bh);
out_commit:
@@ -7741,17 +7224,163 @@ out:
return ret;
}
-static void ocfs2_free_truncate_context(struct ocfs2_truncate_context *tc)
+static int ocfs2_trim_extent(struct super_block *sb,
+ struct ocfs2_group_desc *gd,
+ u32 start, u32 count)
{
- /*
- * The caller is responsible for completing deallocation
- * before freeing the context.
- */
- if (tc->tc_dealloc.c_first_suballocator != NULL)
- mlog(ML_NOTICE,
- "Truncate completion has non-empty dealloc context\n");
+ u64 discard, bcount;
+
+ bcount = ocfs2_clusters_to_blocks(sb, count);
+ discard = le64_to_cpu(gd->bg_blkno) +
+ ocfs2_clusters_to_blocks(sb, start);
+
+ trace_ocfs2_trim_extent(sb, (unsigned long long)discard, bcount);
+
+ return sb_issue_discard(sb, discard, bcount, GFP_NOFS, 0);
+}
+
+static int ocfs2_trim_group(struct super_block *sb,
+ struct ocfs2_group_desc *gd,
+ u32 start, u32 max, u32 minbits)
+{
+ int ret = 0, count = 0, next;
+ void *bitmap = gd->bg_bitmap;
+
+ if (le16_to_cpu(gd->bg_free_bits_count) < minbits)
+ return 0;
+
+ trace_ocfs2_trim_group((unsigned long long)le64_to_cpu(gd->bg_blkno),
+ start, max, minbits);
+
+ while (start < max) {
+ start = ocfs2_find_next_zero_bit(bitmap, max, start);
+ if (start >= max)
+ break;
+ next = ocfs2_find_next_bit(bitmap, max, start);
+
+ if ((next - start) >= minbits) {
+ ret = ocfs2_trim_extent(sb, gd,
+ start, next - start);
+ if (ret < 0) {
+ mlog_errno(ret);
+ break;
+ }
+ count += next - start;
+ }
+ start = next + 1;
+
+ if (fatal_signal_pending(current)) {
+ count = -ERESTARTSYS;
+ break;
+ }
+
+ if ((le16_to_cpu(gd->bg_free_bits_count) - count) < minbits)
+ break;
+ }
+
+ if (ret < 0)
+ count = ret;
+
+ return count;
+}
- brelse(tc->tc_last_eb_bh);
+int ocfs2_trim_fs(struct super_block *sb, struct fstrim_range *range)
+{
+ struct ocfs2_super *osb = OCFS2_SB(sb);
+ u64 start, len, trimmed, first_group, last_group, group;
+ int ret, cnt;
+ u32 first_bit, last_bit, minlen;
+ struct buffer_head *main_bm_bh = NULL;
+ struct inode *main_bm_inode = NULL;
+ struct buffer_head *gd_bh = NULL;
+ struct ocfs2_dinode *main_bm;
+ struct ocfs2_group_desc *gd = NULL;
+
+ start = range->start >> osb->s_clustersize_bits;
+ len = range->len >> osb->s_clustersize_bits;
+ minlen = range->minlen >> osb->s_clustersize_bits;
+
+ if (minlen >= osb->bitmap_cpg || range->len < sb->s_blocksize)
+ return -EINVAL;
- kfree(tc);
+ main_bm_inode = ocfs2_get_system_file_inode(osb,
+ GLOBAL_BITMAP_SYSTEM_INODE,
+ OCFS2_INVALID_SLOT);
+ if (!main_bm_inode) {
+ ret = -EIO;
+ mlog_errno(ret);
+ goto out;
+ }
+
+ mutex_lock(&main_bm_inode->i_mutex);
+
+ ret = ocfs2_inode_lock(main_bm_inode, &main_bm_bh, 0);
+ if (ret < 0) {
+ mlog_errno(ret);
+ goto out_mutex;
+ }
+ main_bm = (struct ocfs2_dinode *)main_bm_bh->b_data;
+
+ if (start >= le32_to_cpu(main_bm->i_clusters)) {
+ ret = -EINVAL;
+ goto out_unlock;
+ }
+
+ len = range->len >> osb->s_clustersize_bits;
+ if (start + len > le32_to_cpu(main_bm->i_clusters))
+ len = le32_to_cpu(main_bm->i_clusters) - start;
+
+ trace_ocfs2_trim_fs(start, len, minlen);
+
+ /* Determine first and last group to examine based on start and len */
+ first_group = ocfs2_which_cluster_group(main_bm_inode, start);
+ if (first_group == osb->first_cluster_group_blkno)
+ first_bit = start;
+ else
+ first_bit = start - ocfs2_blocks_to_clusters(sb, first_group);
+ last_group = ocfs2_which_cluster_group(main_bm_inode, start + len - 1);
+ last_bit = osb->bitmap_cpg;
+
+ trimmed = 0;
+ for (group = first_group; group <= last_group;) {
+ if (first_bit + len >= osb->bitmap_cpg)
+ last_bit = osb->bitmap_cpg;
+ else
+ last_bit = first_bit + len;
+
+ ret = ocfs2_read_group_descriptor(main_bm_inode,
+ main_bm, group,
+ &gd_bh);
+ if (ret < 0) {
+ mlog_errno(ret);
+ break;
+ }
+
+ gd = (struct ocfs2_group_desc *)gd_bh->b_data;
+ cnt = ocfs2_trim_group(sb, gd, first_bit, last_bit, minlen);
+ brelse(gd_bh);
+ gd_bh = NULL;
+ if (cnt < 0) {
+ ret = cnt;
+ mlog_errno(ret);
+ break;
+ }
+
+ trimmed += cnt;
+ len -= osb->bitmap_cpg - first_bit;
+ first_bit = 0;
+ if (group == osb->first_cluster_group_blkno)
+ group = ocfs2_clusters_to_blocks(sb, osb->bitmap_cpg);
+ else
+ group += ocfs2_clusters_to_blocks(sb, osb->bitmap_cpg);
+ }
+ range->len = trimmed * sb->s_blocksize;
+out_unlock:
+ ocfs2_inode_unlock(main_bm_inode, 0);
+ brelse(main_bm_bh);
+out_mutex:
+ mutex_unlock(&main_bm_inode->i_mutex);
+ iput(main_bm_inode);
+out:
+ return ret;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 14:00:35 +0000