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authorRobert Richter <robert.richter@amd.com>2008-09-24 11:25:31 +0200
committerRobert Richter <robert.richter@amd.com>2008-09-24 11:25:31 +0200
commitf78e80209cf143be49f268c340431ae9fa3abb74 (patch)
tree820fa64b688099dfdd93d27ba03252738ca5c7e2 /fs/ext4/balloc.c
parent4c168eaf7ea39f25a45a3d8c7eebc3fedb633a1d (diff)
parent24342c34a022ee90839873d91396045e12ef1090 (diff)
Merge commit 'v2.6.27-rc5' into tip/oprofile
Conflicts: arch/x86/oprofile/nmi_int.c
Diffstat (limited to 'fs/ext4/balloc.c')
-rw-r--r--fs/ext4/balloc.c3
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;