diff options
Diffstat (limited to 'fs/ext4/mballoc.c')
| -rw-r--r-- | fs/ext4/mballoc.c | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index 0db2ccfa0dad..2c10b5058a8d 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -2975,9 +2975,15 @@ ext4_mb_mark_diskspace_used(struct ext4_allocation_context *ac, * at write_begin() time for delayed allocation * do not double accounting */ - if (!(ac->ac_flags & EXT4_MB_DELALLOC_RESERVED)) - percpu_counter_sub(&sbi->s_freeblocks_counter, - ac->ac_b_ex.fe_len); + if (!(ac->ac_flags & EXT4_MB_DELALLOC_RESERVED) && + ac->ac_o_ex.fe_len != ac->ac_b_ex.fe_len) { + /* + * we allocated less blocks than we calimed + * Add the difference back + */ + percpu_counter_add(&sbi->s_freeblocks_counter, + ac->ac_o_ex.fe_len - ac->ac_b_ex.fe_len); + } if (sbi->s_log_groups_per_flex) { ext4_group_t flex_group = ext4_flex_group(sbi, @@ -4389,14 +4395,11 @@ ext4_fsblk_t ext4_mb_new_blocks(handle_t *handle, /* * With delalloc we already reserved the blocks */ - ar->len = ext4_has_free_blocks(sbi, ar->len); - } - - if (ar->len == 0) { - *errp = -ENOSPC; - return 0; + if (ext4_claim_free_blocks(sbi, ar->len)) { + *errp = -ENOSPC; + return 0; + } } - while (ar->len && DQUOT_ALLOC_BLOCK(ar->inode, ar->len)) { ar->flags |= EXT4_MB_HINT_NOPREALLOC; ar->len--; |