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Diffstat (limited to 'fs/udf/balloc.c')
-rw-r--r--fs/udf/balloc.c165
1 files changed, 66 insertions, 99 deletions
diff --git a/fs/udf/balloc.c b/fs/udf/balloc.c
index 19626e2491c..1ba2baaf436 100644
--- a/fs/udf/balloc.c
+++ b/fs/udf/balloc.c
@@ -21,18 +21,16 @@
#include "udfdecl.h"
-#include <linux/quotaops.h>
#include <linux/buffer_head.h>
#include <linux/bitops.h>
#include "udf_i.h"
#include "udf_sb.h"
-#define udf_clear_bit(nr, addr) ext2_clear_bit(nr, addr)
-#define udf_set_bit(nr, addr) ext2_set_bit(nr, addr)
-#define udf_test_bit(nr, addr) ext2_test_bit(nr, addr)
-#define udf_find_next_one_bit(addr, size, offset) \
- ext2_find_next_bit(addr, size, offset)
+#define udf_clear_bit __test_and_clear_bit_le
+#define udf_set_bit __test_and_set_bit_le
+#define udf_test_bit test_bit_le
+#define udf_find_next_one_bit find_next_bit_le
static int read_block_bitmap(struct super_block *sb,
struct udf_bitmap *bitmap, unsigned int block,
@@ -61,8 +59,8 @@ static int __load_block_bitmap(struct super_block *sb,
int nr_groups = bitmap->s_nr_groups;
if (block_group >= nr_groups) {
- udf_debug("block_group (%d) > nr_groups (%d)\n", block_group,
- nr_groups);
+ udf_debug("block_group (%d) > nr_groups (%d)\n",
+ block_group, nr_groups);
}
if (bitmap->s_block_bitmap[block_group]) {
@@ -107,7 +105,6 @@ static void udf_add_free_space(struct super_block *sb, u16 partition, u32 cnt)
}
static void udf_bitmap_free_blocks(struct super_block *sb,
- struct inode *inode,
struct udf_bitmap *bitmap,
struct kernel_lb_addr *bloc,
uint32_t offset,
@@ -125,12 +122,12 @@ static void udf_bitmap_free_blocks(struct super_block *sb,
mutex_lock(&sbi->s_alloc_mutex);
partmap = &sbi->s_partmaps[bloc->partitionReferenceNum];
- if (bloc->logicalBlockNum < 0 ||
- (bloc->logicalBlockNum + count) >
- partmap->s_partition_len) {
+ if (bloc->logicalBlockNum + count < count ||
+ (bloc->logicalBlockNum + count) > partmap->s_partition_len) {
udf_debug("%d < %d || %d + %d > %d\n",
- bloc->logicalBlockNum, 0, bloc->logicalBlockNum,
- count, partmap->s_partition_len);
+ bloc->logicalBlockNum, 0,
+ bloc->logicalBlockNum, count,
+ partmap->s_partition_len);
goto error_return;
}
@@ -158,13 +155,10 @@ static void udf_bitmap_free_blocks(struct super_block *sb,
if (udf_set_bit(bit + i, bh->b_data)) {
udf_debug("bit %ld already set\n", bit + i);
udf_debug("byte=%2x\n",
- ((char *)bh->b_data)[(bit + i) >> 3]);
- } else {
- if (inode)
- dquot_free_block(inode, 1);
- udf_add_free_space(sb, sbi->s_partition, 1);
+ ((char *)bh->b_data)[(bit + i) >> 3]);
}
}
+ udf_add_free_space(sb, sbi->s_partition, count);
mark_buffer_dirty(bh);
if (overflow) {
block += count;
@@ -177,7 +171,6 @@ error_return:
}
static int udf_bitmap_prealloc_blocks(struct super_block *sb,
- struct inode *inode,
struct udf_bitmap *bitmap,
uint16_t partition, uint32_t first_block,
uint32_t block_count)
@@ -211,15 +204,8 @@ static int udf_bitmap_prealloc_blocks(struct super_block *sb,
bit = block % (sb->s_blocksize << 3);
while (bit < (sb->s_blocksize << 3) && block_count > 0) {
- if (!udf_test_bit(bit, bh->b_data))
- goto out;
- else if (dquot_prealloc_block(inode, 1))
+ if (!udf_clear_bit(bit, bh->b_data))
goto out;
- else if (!udf_clear_bit(bit, bh->b_data)) {
- udf_debug("bit already cleared for block %d\n", bit);
- dquot_free_block(inode, 1);
- goto out;
- }
block_count--;
alloc_count++;
bit++;
@@ -235,7 +221,6 @@ out:
}
static int udf_bitmap_new_block(struct super_block *sb,
- struct inode *inode,
struct udf_bitmap *bitmap, uint16_t partition,
uint32_t goal, int *err)
{
@@ -309,7 +294,7 @@ repeat:
break;
}
} else {
- bit = udf_find_next_one_bit((char *)bh->b_data,
+ bit = udf_find_next_one_bit(bh->b_data,
sb->s_blocksize << 3,
group_start << 3);
if (bit < sb->s_blocksize << 3)
@@ -339,20 +324,6 @@ search_back:
}
got_block:
-
- /*
- * Check quota for allocation of this block.
- */
- if (inode) {
- int ret = dquot_alloc_block(inode, 1);
-
- if (ret) {
- mutex_unlock(&sbi->s_alloc_mutex);
- *err = ret;
- return 0;
- }
- }
-
newblock = bit + (block_group << (sb->s_blocksize_bits + 3)) -
(sizeof(struct spaceBitmapDesc) << 3);
@@ -375,7 +346,6 @@ error_return:
}
static void udf_table_free_blocks(struct super_block *sb,
- struct inode *inode,
struct inode *table,
struct kernel_lb_addr *bloc,
uint32_t offset,
@@ -393,20 +363,16 @@ static void udf_table_free_blocks(struct super_block *sb,
mutex_lock(&sbi->s_alloc_mutex);
partmap = &sbi->s_partmaps[bloc->partitionReferenceNum];
- if (bloc->logicalBlockNum < 0 ||
- (bloc->logicalBlockNum + count) >
- partmap->s_partition_len) {
+ if (bloc->logicalBlockNum + count < count ||
+ (bloc->logicalBlockNum + count) > partmap->s_partition_len) {
udf_debug("%d < %d || %d + %d > %d\n",
- bloc->logicalBlockNum, 0, bloc->logicalBlockNum, count,
+ bloc->logicalBlockNum, 0,
+ bloc->logicalBlockNum, count,
partmap->s_partition_len);
goto error_return;
}
iinfo = UDF_I(table);
- /* We do this up front - There are some error conditions that
- could occure, but.. oh well */
- if (inode)
- dquot_free_block(inode, count);
udf_add_free_space(sb, sbi->s_partition, count);
start = bloc->logicalBlockNum + offset;
@@ -611,7 +577,6 @@ error_return:
}
static int udf_table_prealloc_blocks(struct super_block *sb,
- struct inode *inode,
struct inode *table, uint16_t partition,
uint32_t first_block, uint32_t block_count)
{
@@ -651,10 +616,7 @@ static int udf_table_prealloc_blocks(struct super_block *sb,
epos.offset -= adsize;
alloc_count = (elen >> sb->s_blocksize_bits);
- if (inode && dquot_prealloc_block(inode,
- alloc_count > block_count ? block_count : alloc_count))
- alloc_count = 0;
- else if (alloc_count > block_count) {
+ if (alloc_count > block_count) {
alloc_count = block_count;
eloc.logicalBlockNum += alloc_count;
elen -= (alloc_count << sb->s_blocksize_bits);
@@ -676,7 +638,6 @@ static int udf_table_prealloc_blocks(struct super_block *sb,
}
static int udf_table_new_block(struct super_block *sb,
- struct inode *inode,
struct inode *table, uint16_t partition,
uint32_t goal, int *err)
{
@@ -754,14 +715,6 @@ static int udf_table_new_block(struct super_block *sb,
newblock = goal_eloc.logicalBlockNum;
goal_eloc.logicalBlockNum++;
goal_elen -= sb->s_blocksize;
- if (inode) {
- *err = dquot_alloc_block(inode, 1);
- if (*err) {
- brelse(goal_epos.bh);
- mutex_unlock(&sbi->s_alloc_mutex);
- return 0;
- }
- }
if (goal_elen)
udf_write_aext(table, &goal_epos, &goal_eloc, goal_elen, 1);
@@ -784,18 +737,23 @@ void udf_free_blocks(struct super_block *sb, struct inode *inode,
struct udf_part_map *map = &UDF_SB(sb)->s_partmaps[partition];
if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP) {
- udf_bitmap_free_blocks(sb, inode, map->s_uspace.s_bitmap,
+ udf_bitmap_free_blocks(sb, map->s_uspace.s_bitmap,
bloc, offset, count);
} else if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE) {
- udf_table_free_blocks(sb, inode, map->s_uspace.s_table,
+ udf_table_free_blocks(sb, map->s_uspace.s_table,
bloc, offset, count);
} else if (map->s_partition_flags & UDF_PART_FLAG_FREED_BITMAP) {
- udf_bitmap_free_blocks(sb, inode, map->s_fspace.s_bitmap,
+ udf_bitmap_free_blocks(sb, map->s_fspace.s_bitmap,
bloc, offset, count);
} else if (map->s_partition_flags & UDF_PART_FLAG_FREED_TABLE) {
- udf_table_free_blocks(sb, inode, map->s_fspace.s_table,
+ udf_table_free_blocks(sb, map->s_fspace.s_table,
bloc, offset, count);
}
+
+ if (inode) {
+ inode_sub_bytes(inode,
+ ((sector_t)count) << sb->s_blocksize_bits);
+ }
}
inline int udf_prealloc_blocks(struct super_block *sb,
@@ -804,29 +762,34 @@ inline int udf_prealloc_blocks(struct super_block *sb,
uint32_t block_count)
{
struct udf_part_map *map = &UDF_SB(sb)->s_partmaps[partition];
+ sector_t allocated;
if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP)
- return udf_bitmap_prealloc_blocks(sb, inode,
- map->s_uspace.s_bitmap,
- partition, first_block,
- block_count);
+ allocated = udf_bitmap_prealloc_blocks(sb,
+ map->s_uspace.s_bitmap,
+ partition, first_block,
+ block_count);
else if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE)
- return udf_table_prealloc_blocks(sb, inode,
- map->s_uspace.s_table,
- partition, first_block,
- block_count);
+ allocated = udf_table_prealloc_blocks(sb,
+ map->s_uspace.s_table,
+ partition, first_block,
+ block_count);
else if (map->s_partition_flags & UDF_PART_FLAG_FREED_BITMAP)
- return udf_bitmap_prealloc_blocks(sb, inode,
- map->s_fspace.s_bitmap,
- partition, first_block,
- block_count);
+ allocated = udf_bitmap_prealloc_blocks(sb,
+ map->s_fspace.s_bitmap,
+ partition, first_block,
+ block_count);
else if (map->s_partition_flags & UDF_PART_FLAG_FREED_TABLE)
- return udf_table_prealloc_blocks(sb, inode,
- map->s_fspace.s_table,
- partition, first_block,
- block_count);
+ allocated = udf_table_prealloc_blocks(sb,
+ map->s_fspace.s_table,
+ partition, first_block,
+ block_count);
else
return 0;
+
+ if (inode && allocated > 0)
+ inode_add_bytes(inode, allocated << sb->s_blocksize_bits);
+ return allocated;
}
inline int udf_new_block(struct super_block *sb,
@@ -834,25 +797,29 @@ inline int udf_new_block(struct super_block *sb,
uint16_t partition, uint32_t goal, int *err)
{
struct udf_part_map *map = &UDF_SB(sb)->s_partmaps[partition];
+ int block;
if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP)
- return udf_bitmap_new_block(sb, inode,
- map->s_uspace.s_bitmap,
- partition, goal, err);
+ block = udf_bitmap_new_block(sb,
+ map->s_uspace.s_bitmap,
+ partition, goal, err);
else if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE)
- return udf_table_new_block(sb, inode,
- map->s_uspace.s_table,
- partition, goal, err);
- else if (map->s_partition_flags & UDF_PART_FLAG_FREED_BITMAP)
- return udf_bitmap_new_block(sb, inode,
- map->s_fspace.s_bitmap,
+ block = udf_table_new_block(sb,
+ map->s_uspace.s_table,
partition, goal, err);
+ else if (map->s_partition_flags & UDF_PART_FLAG_FREED_BITMAP)
+ block = udf_bitmap_new_block(sb,
+ map->s_fspace.s_bitmap,
+ partition, goal, err);
else if (map->s_partition_flags & UDF_PART_FLAG_FREED_TABLE)
- return udf_table_new_block(sb, inode,
- map->s_fspace.s_table,
- partition, goal, err);
+ block = udf_table_new_block(sb,
+ map->s_fspace.s_table,
+ partition, goal, err);
else {
*err = -EIO;
return 0;
}
+ if (inode && block)
+ inode_add_bytes(inode, sb->s_blocksize);
+ return block;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-06 03:51:48 +0000