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| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2008-08-19 21:16:54 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2008-08-19 21:16:54 -0400 |
| commit | 16eb72956496594d023a7d7cd14a86404ad195ad (patch) | |
| tree | 1fed199d788b33be4b329a58e5b6946f41ee6a20 /fs/ext4/balloc.c | |
| parent | 525f4ed8dcb72c71b306a78ecbf06f41d08fe441 (diff) | |
| download | lwn-16eb72956496594d023a7d7cd14a86404ad195ad.tar.gz lwn-16eb72956496594d023a7d7cd14a86404ad195ad.zip | |
ext4: make sure ext4_has_free_blocks returns 0 for ENOSPC
Fix ext4_has_free_blocks() to return 0 when we don't have enough space.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/balloc.c')
| -rw-r--r-- | fs/ext4/balloc.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c index 1ae5004e93fc..e9fa960ba6da 100644 --- a/fs/ext4/balloc.c +++ b/fs/ext4/balloc.c @@ -1626,6 +1626,9 @@ ext4_fsblk_t ext4_has_free_blocks(struct ext4_sb_info *sbi, free_blocks = percpu_counter_sum_and_set(&sbi->s_freeblocks_counter); #endif + if (free_blocks <= root_blocks) + /* we don't have free space */ + return 0; if (free_blocks - root_blocks < nblocks) return free_blocks - root_blocks; return nblocks; |