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Diffstat (limited to 'fs/ext4/resize.c')
-rw-r--r--fs/ext4/resize.c36
1 files changed, 19 insertions, 17 deletions
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index d99387b89ed..c7f4d758466 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -333,8 +333,8 @@ static struct buffer_head *bclean(handle_t *handle, struct super_block *sb,
int err;
bh = sb_getblk(sb, blk);
- if (!bh)
- return ERR_PTR(-EIO);
+ if (unlikely(!bh))
+ return ERR_PTR(-ENOMEM);
if ((err = ext4_journal_get_write_access(handle, bh))) {
brelse(bh);
bh = ERR_PTR(err);
@@ -410,8 +410,8 @@ static int set_flexbg_block_bitmap(struct super_block *sb, handle_t *handle,
return err;
bh = sb_getblk(sb, flex_gd->groups[group].block_bitmap);
- if (!bh)
- return -EIO;
+ if (unlikely(!bh))
+ return -ENOMEM;
err = ext4_journal_get_write_access(handle, bh);
if (err)
@@ -466,7 +466,7 @@ static int setup_new_flex_group_blocks(struct super_block *sb,
meta_bg = EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_META_BG);
/* This transaction may be extended/restarted along the way */
- handle = ext4_journal_start_sb(sb, EXT4_MAX_TRANS_DATA);
+ handle = ext4_journal_start_sb(sb, EXT4_HT_RESIZE, EXT4_MAX_TRANS_DATA);
if (IS_ERR(handle))
return PTR_ERR(handle);
@@ -500,8 +500,8 @@ static int setup_new_flex_group_blocks(struct super_block *sb,
goto out;
gdb = sb_getblk(sb, block);
- if (!gdb) {
- err = -EIO;
+ if (unlikely(!gdb)) {
+ err = -ENOMEM;
goto out;
}
@@ -1031,7 +1031,7 @@ static void update_backups(struct super_block *sb, int blk_off, char *data,
handle_t *handle;
int err = 0, err2;
- handle = ext4_journal_start_sb(sb, EXT4_MAX_TRANS_DATA);
+ handle = ext4_journal_start_sb(sb, EXT4_HT_RESIZE, EXT4_MAX_TRANS_DATA);
if (IS_ERR(handle)) {
group = 1;
err = PTR_ERR(handle);
@@ -1064,8 +1064,8 @@ static void update_backups(struct super_block *sb, int blk_off, char *data,
ext4_bg_has_super(sb, group));
bh = sb_getblk(sb, backup_block);
- if (!bh) {
- err = -EIO;
+ if (unlikely(!bh)) {
+ err = -ENOMEM;
break;
}
ext4_debug("update metadata backup %llu(+%llu)\n",
@@ -1168,7 +1168,7 @@ static int ext4_add_new_descs(handle_t *handle, struct super_block *sb,
static struct buffer_head *ext4_get_bitmap(struct super_block *sb, __u64 block)
{
struct buffer_head *bh = sb_getblk(sb, block);
- if (!bh)
+ if (unlikely(!bh))
return NULL;
if (!bh_uptodate_or_lock(bh)) {
if (bh_submit_read(bh) < 0) {
@@ -1412,7 +1412,7 @@ static int ext4_flex_group_add(struct super_block *sb,
* modify each of the reserved GDT dindirect blocks.
*/
credit = flex_gd->count * 4 + reserved_gdb;
- handle = ext4_journal_start_sb(sb, credit);
+ handle = ext4_journal_start_sb(sb, EXT4_HT_RESIZE, credit);
if (IS_ERR(handle)) {
err = PTR_ERR(handle);
goto exit;
@@ -1506,10 +1506,12 @@ static int ext4_setup_next_flex_gd(struct super_block *sb,
group_data[i].blocks_count = blocks_per_group;
overhead = ext4_group_overhead_blocks(sb, group + i);
group_data[i].free_blocks_count = blocks_per_group - overhead;
- if (ext4_has_group_desc_csum(sb))
+ if (ext4_has_group_desc_csum(sb)) {
flex_gd->bg_flags[i] = EXT4_BG_BLOCK_UNINIT |
EXT4_BG_INODE_UNINIT;
- else
+ if (!test_opt(sb, INIT_INODE_TABLE))
+ flex_gd->bg_flags[i] |= EXT4_BG_INODE_ZEROED;
+ } else
flex_gd->bg_flags[i] = EXT4_BG_INODE_ZEROED;
}
@@ -1594,7 +1596,7 @@ int ext4_group_add(struct super_block *sb, struct ext4_new_group_data *input)
err = ext4_alloc_flex_bg_array(sb, input->group + 1);
if (err)
- return err;
+ goto out;
err = ext4_mb_alloc_groupinfo(sb, input->group + 1);
if (err)
@@ -1622,7 +1624,7 @@ static int ext4_group_extend_no_check(struct super_block *sb,
/* We will update the superblock, one block bitmap, and
* one group descriptor via ext4_group_add_blocks().
*/
- handle = ext4_journal_start_sb(sb, 3);
+ handle = ext4_journal_start_sb(sb, EXT4_HT_RESIZE, 3);
if (IS_ERR(handle)) {
err = PTR_ERR(handle);
ext4_warning(sb, "error %d on journal start", err);
@@ -1786,7 +1788,7 @@ static int ext4_convert_meta_bg(struct super_block *sb, struct inode *inode)
credits += 3; /* block bitmap, bg descriptor, resize inode */
}
- handle = ext4_journal_start_sb(sb, credits);
+ handle = ext4_journal_start_sb(sb, EXT4_HT_RESIZE, credits);
if (IS_ERR(handle))
return PTR_ERR(handle);