aboutsummaryrefslogtreecommitdiff
path: root/fs/quota/quota_tree.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/quota/quota_tree.c')
-rw-r--r--fs/quota/quota_tree.c108
1 files changed, 60 insertions, 48 deletions
diff --git a/fs/quota/quota_tree.c b/fs/quota/quota_tree.c
index f81f4bcfb17..d65877fbe8f 100644
--- a/fs/quota/quota_tree.c
+++ b/fs/quota/quota_tree.c
@@ -22,9 +22,10 @@ MODULE_LICENSE("GPL");
#define __QUOTA_QT_PARANOIA
-static int get_index(struct qtree_mem_dqinfo *info, qid_t id, int depth)
+static int get_index(struct qtree_mem_dqinfo *info, struct kqid qid, int depth)
{
unsigned int epb = info->dqi_usable_bs >> 2;
+ qid_t id = from_kqid(&init_user_ns, qid);
depth = info->dqi_qtree_depth - depth - 1;
while (depth--)
@@ -60,9 +61,16 @@ static ssize_t read_blk(struct qtree_mem_dqinfo *info, uint blk, char *buf)
static ssize_t write_blk(struct qtree_mem_dqinfo *info, uint blk, char *buf)
{
struct super_block *sb = info->dqi_sb;
+ ssize_t ret;
- return sb->s_op->quota_write(sb, info->dqi_type, buf,
+ ret = sb->s_op->quota_write(sb, info->dqi_type, buf,
info->dqi_usable_bs, blk << info->dqi_blocksize_bits);
+ if (ret != info->dqi_usable_bs) {
+ quota_error(sb, "dquota write failed");
+ if (ret >= 0)
+ ret = -EIO;
+ }
+ return ret;
}
/* Remove empty block from list and return it */
@@ -152,9 +160,8 @@ static int remove_free_dqentry(struct qtree_mem_dqinfo *info, char *buf,
dh->dqdh_next_free = dh->dqdh_prev_free = cpu_to_le32(0);
/* No matter whether write succeeds block is out of list */
if (write_blk(info, blk, buf) < 0)
- printk(KERN_ERR
- "VFS: Can't write block (%u) with free entries.\n",
- blk);
+ quota_error(info->dqi_sb, "Can't write block (%u) "
+ "with free entries", blk);
return 0;
out_buf:
kfree(tmpbuf);
@@ -238,15 +245,14 @@ static uint find_free_dqentry(struct qtree_mem_dqinfo *info,
/* This is enough as the block is already zeroed and the entry
* list is empty... */
info->dqi_free_entry = blk;
- mark_info_dirty(dquot->dq_sb, dquot->dq_type);
+ mark_info_dirty(dquot->dq_sb, dquot->dq_id.type);
}
/* Block will be full? */
if (le16_to_cpu(dh->dqdh_entries) + 1 >= qtree_dqstr_in_blk(info)) {
*err = remove_free_dqentry(info, buf, blk);
if (*err < 0) {
- printk(KERN_ERR "VFS: find_free_dqentry(): Can't "
- "remove block (%u) from entry free list.\n",
- blk);
+ quota_error(dquot->dq_sb, "Can't remove block (%u) "
+ "from entry free list", blk);
goto out_buf;
}
}
@@ -260,16 +266,15 @@ static uint find_free_dqentry(struct qtree_mem_dqinfo *info,
}
#ifdef __QUOTA_QT_PARANOIA
if (i == qtree_dqstr_in_blk(info)) {
- printk(KERN_ERR "VFS: find_free_dqentry(): Data block full "
- "but it shouldn't.\n");
+ quota_error(dquot->dq_sb, "Data block full but it shouldn't");
*err = -EIO;
goto out_buf;
}
#endif
*err = write_blk(info, blk, buf);
if (*err < 0) {
- printk(KERN_ERR "VFS: find_free_dqentry(): Can't write quota "
- "data block %u.\n", blk);
+ quota_error(dquot->dq_sb, "Can't write quota data block %u",
+ blk);
goto out_buf;
}
dquot->dq_off = (blk << info->dqi_blocksize_bits) +
@@ -303,8 +308,8 @@ static int do_insert_tree(struct qtree_mem_dqinfo *info, struct dquot *dquot,
} else {
ret = read_blk(info, *treeblk, buf);
if (ret < 0) {
- printk(KERN_ERR "VFS: Can't read tree quota block "
- "%u.\n", *treeblk);
+ quota_error(dquot->dq_sb, "Can't read tree quota "
+ "block %u", *treeblk);
goto out_buf;
}
}
@@ -315,9 +320,9 @@ static int do_insert_tree(struct qtree_mem_dqinfo *info, struct dquot *dquot,
if (depth == info->dqi_qtree_depth - 1) {
#ifdef __QUOTA_QT_PARANOIA
if (newblk) {
- printk(KERN_ERR "VFS: Inserting already present quota "
- "entry (block %u).\n",
- le32_to_cpu(ref[get_index(info,
+ quota_error(dquot->dq_sb, "Inserting already present "
+ "quota entry (block %u)",
+ le32_to_cpu(ref[get_index(info,
dquot->dq_id, depth)]));
ret = -EIO;
goto out_buf;
@@ -353,7 +358,7 @@ static inline int dq_insert_tree(struct qtree_mem_dqinfo *info,
*/
int qtree_write_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot)
{
- int type = dquot->dq_type;
+ int type = dquot->dq_id.type;
struct super_block *sb = dquot->dq_sb;
ssize_t ret;
char *ddquot = getdqbuf(info->dqi_entry_size);
@@ -365,8 +370,8 @@ int qtree_write_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot)
if (!dquot->dq_off) {
ret = dq_insert_tree(info, dquot);
if (ret < 0) {
- printk(KERN_ERR "VFS: Error %zd occurred while "
- "creating quota.\n", ret);
+ quota_error(sb, "Error %zd occurred while creating "
+ "quota", ret);
kfree(ddquot);
return ret;
}
@@ -377,14 +382,13 @@ int qtree_write_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot)
ret = sb->s_op->quota_write(sb, type, ddquot, info->dqi_entry_size,
dquot->dq_off);
if (ret != info->dqi_entry_size) {
- printk(KERN_WARNING "VFS: dquota write failed on dev %s\n",
- sb->s_id);
+ quota_error(sb, "dquota write failed");
if (ret >= 0)
ret = -ENOSPC;
} else {
ret = 0;
}
- dqstats.writes++;
+ dqstats_inc(DQST_WRITES);
kfree(ddquot);
return ret;
@@ -402,14 +406,15 @@ static int free_dqentry(struct qtree_mem_dqinfo *info, struct dquot *dquot,
if (!buf)
return -ENOMEM;
if (dquot->dq_off >> info->dqi_blocksize_bits != blk) {
- printk(KERN_ERR "VFS: Quota structure has offset to other "
- "block (%u) than it should (%u).\n", blk,
- (uint)(dquot->dq_off >> info->dqi_blocksize_bits));
+ quota_error(dquot->dq_sb, "Quota structure has offset to "
+ "other block (%u) than it should (%u)", blk,
+ (uint)(dquot->dq_off >> info->dqi_blocksize_bits));
goto out_buf;
}
ret = read_blk(info, blk, buf);
if (ret < 0) {
- printk(KERN_ERR "VFS: Can't read quota data block %u\n", blk);
+ quota_error(dquot->dq_sb, "Can't read quota data block %u",
+ blk);
goto out_buf;
}
dh = (struct qt_disk_dqdbheader *)buf;
@@ -419,8 +424,8 @@ static int free_dqentry(struct qtree_mem_dqinfo *info, struct dquot *dquot,
if (ret >= 0)
ret = put_free_dqblk(info, buf, blk);
if (ret < 0) {
- printk(KERN_ERR "VFS: Can't move quota data block (%u) "
- "to free list.\n", blk);
+ quota_error(dquot->dq_sb, "Can't move quota data block "
+ "(%u) to free list", blk);
goto out_buf;
}
} else {
@@ -432,15 +437,15 @@ static int free_dqentry(struct qtree_mem_dqinfo *info, struct dquot *dquot,
/* Insert will write block itself */
ret = insert_free_dqentry(info, buf, blk);
if (ret < 0) {
- printk(KERN_ERR "VFS: Can't insert quota data "
- "block (%u) to free entry list.\n", blk);
+ quota_error(dquot->dq_sb, "Can't insert quota "
+ "data block (%u) to free entry list", blk);
goto out_buf;
}
} else {
ret = write_blk(info, blk, buf);
if (ret < 0) {
- printk(KERN_ERR "VFS: Can't write quota data "
- "block %u\n", blk);
+ quota_error(dquot->dq_sb, "Can't write quota "
+ "data block %u", blk);
goto out_buf;
}
}
@@ -464,7 +469,8 @@ static int remove_tree(struct qtree_mem_dqinfo *info, struct dquot *dquot,
return -ENOMEM;
ret = read_blk(info, *blk, buf);
if (ret < 0) {
- printk(KERN_ERR "VFS: Can't read quota data block %u\n", *blk);
+ quota_error(dquot->dq_sb, "Can't read quota data block %u",
+ *blk);
goto out_buf;
}
newblk = le32_to_cpu(ref[get_index(info, dquot->dq_id, depth)]);
@@ -488,8 +494,9 @@ static int remove_tree(struct qtree_mem_dqinfo *info, struct dquot *dquot,
} else {
ret = write_blk(info, *blk, buf);
if (ret < 0)
- printk(KERN_ERR "VFS: Can't write quota tree "
- "block %u.\n", *blk);
+ quota_error(dquot->dq_sb,
+ "Can't write quota tree block %u",
+ *blk);
}
}
out_buf:
@@ -521,7 +528,8 @@ static loff_t find_block_dqentry(struct qtree_mem_dqinfo *info,
return -ENOMEM;
ret = read_blk(info, blk, buf);
if (ret < 0) {
- printk(KERN_ERR "VFS: Can't read quota tree block %u.\n", blk);
+ quota_error(dquot->dq_sb, "Can't read quota tree "
+ "block %u", blk);
goto out_buf;
}
ddquot = buf + sizeof(struct qt_disk_dqdbheader);
@@ -531,8 +539,9 @@ static loff_t find_block_dqentry(struct qtree_mem_dqinfo *info,
ddquot += info->dqi_entry_size;
}
if (i == qtree_dqstr_in_blk(info)) {
- printk(KERN_ERR "VFS: Quota for id %u referenced "
- "but not present.\n", dquot->dq_id);
+ quota_error(dquot->dq_sb,
+ "Quota for id %u referenced but not present",
+ from_kqid(&init_user_ns, dquot->dq_id));
ret = -EIO;
goto out_buf;
} else {
@@ -556,7 +565,8 @@ static loff_t find_tree_dqentry(struct qtree_mem_dqinfo *info,
return -ENOMEM;
ret = read_blk(info, blk, buf);
if (ret < 0) {
- printk(KERN_ERR "VFS: Can't read quota tree block %u.\n", blk);
+ quota_error(dquot->dq_sb, "Can't read quota tree block %u",
+ blk);
goto out_buf;
}
ret = 0;
@@ -581,7 +591,7 @@ static inline loff_t find_dqentry(struct qtree_mem_dqinfo *info,
int qtree_read_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot)
{
- int type = dquot->dq_type;
+ int type = dquot->dq_id.type;
struct super_block *sb = dquot->dq_sb;
loff_t offset;
char *ddquot;
@@ -590,7 +600,7 @@ int qtree_read_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot)
#ifdef __QUOTA_QT_PARANOIA
/* Invalidated quota? */
if (!sb_dqopt(dquot->dq_sb)->files[type]) {
- printk(KERN_ERR "VFS: Quota invalidated while reading!\n");
+ quota_error(sb, "Quota invalidated while reading!");
return -EIO;
}
#endif
@@ -599,8 +609,10 @@ int qtree_read_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot)
offset = find_dqentry(info, dquot);
if (offset <= 0) { /* Entry not present? */
if (offset < 0)
- printk(KERN_ERR "VFS: Can't read quota "
- "structure for id %u.\n", dquot->dq_id);
+ quota_error(sb,"Can't read quota structure "
+ "for id %u",
+ from_kqid(&init_user_ns,
+ dquot->dq_id));
dquot->dq_off = 0;
set_bit(DQ_FAKE_B, &dquot->dq_flags);
memset(&dquot->dq_dqb, 0, sizeof(struct mem_dqblk));
@@ -617,8 +629,8 @@ int qtree_read_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot)
if (ret != info->dqi_entry_size) {
if (ret >= 0)
ret = -EIO;
- printk(KERN_ERR "VFS: Error while reading quota "
- "structure for id %u.\n", dquot->dq_id);
+ quota_error(sb, "Error while reading quota structure for id %u",
+ from_kqid(&init_user_ns, dquot->dq_id));
set_bit(DQ_FAKE_B, &dquot->dq_flags);
memset(&dquot->dq_dqb, 0, sizeof(struct mem_dqblk));
kfree(ddquot);
@@ -634,7 +646,7 @@ int qtree_read_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot)
spin_unlock(&dq_data_lock);
kfree(ddquot);
out:
- dqstats.reads++;
+ dqstats_inc(DQST_READS);
return ret;
}
EXPORT_SYMBOL(qtree_read_dquot);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 07:06:26 +0000