diff options
Diffstat (limited to 'fs/ext4/balloc.c')
| -rw-r--r-- | fs/ext4/balloc.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c index edef0023e6e..a425e78c73e 100644 --- a/fs/ext4/balloc.c +++ b/fs/ext4/balloc.c @@ -1603,10 +1603,10 @@ out: } int ext4_claim_free_blocks(struct ext4_sb_info *sbi, - ext4_fsblk_t nblocks) + s64 nblocks) { s64 free_blocks, dirty_blocks; - ext4_fsblk_t root_blocks = 0; + s64 root_blocks = 0; struct percpu_counter *fbc = &sbi->s_freeblocks_counter; struct percpu_counter *dbc = &sbi->s_dirtyblocks_counter; @@ -1631,7 +1631,7 @@ int ext4_claim_free_blocks(struct ext4_sb_info *sbi, /* Check whether we have space after * accounting for current dirty blocks */ - if (free_blocks < ((s64)(root_blocks + nblocks) + dirty_blocks)) + if (free_blocks < ((root_blocks + nblocks) + dirty_blocks)) /* we don't have free space */ return -ENOSPC; @@ -1650,10 +1650,10 @@ int ext4_claim_free_blocks(struct ext4_sb_info *sbi, * On success, return nblocks */ ext4_fsblk_t ext4_has_free_blocks(struct ext4_sb_info *sbi, - ext4_fsblk_t nblocks) + s64 nblocks) { - ext4_fsblk_t free_blocks, dirty_blocks; - ext4_fsblk_t root_blocks = 0; + s64 free_blocks, dirty_blocks; + s64 root_blocks = 0; struct percpu_counter *fbc = &sbi->s_freeblocks_counter; struct percpu_counter *dbc = &sbi->s_dirtyblocks_counter; @@ -1667,14 +1667,15 @@ ext4_fsblk_t ext4_has_free_blocks(struct ext4_sb_info *sbi, if (free_blocks - (nblocks + root_blocks + dirty_blocks) < EXT4_FREEBLOCKS_WATERMARK) { - free_blocks = percpu_counter_sum_positive(fbc); - dirty_blocks = percpu_counter_sum_positive(dbc); + free_blocks = percpu_counter_sum(fbc); + dirty_blocks = percpu_counter_sum(dbc); } if (free_blocks <= (root_blocks + dirty_blocks)) /* we don't have free space */ return 0; + if (free_blocks - (root_blocks + dirty_blocks) < nblocks) - return free_blocks - root_blocks; + return free_blocks - (root_blocks + dirty_blocks); return nblocks; } |