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authorJaegeuk Kim <jaegeuk@kernel.org>2015-08-11 20:17:27 +0300
committerJaegeuk Kim <jaegeuk@kernel.org>2015-08-15 02:02:13 +0300
commit47e70ca46f9074efe6573263c0de5bef0af829de (patch)
tree247d777b4fcb7b287fbc1f37660ec96c9b16498a /fs/f2fs
parentdecd36b6c43a1051bab97571cf4c0ec8450268b0 (diff)
downloadlinux-47e70ca46f9074efe6573263c0de5bef0af829de.tar.xz
f2fs: do not assign a new segment for dio under space shortage
If there is not enough free segment, we should not assign a new segment explicitly. Otherwise, we can run out of free segment. Reviewed-by: Chao Yu <chao2.yu@samsung.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
-rw-r--r--fs/f2fs/segment.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 7d53cb44c617..bf1605dbce93 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1225,7 +1225,8 @@ void allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
mutex_lock(&sit_i->sentry_lock);
/* direct_io'ed data is aligned to the segment for better performance */
- if (direct_io && curseg->next_blkoff)
+ if (direct_io && curseg->next_blkoff &&
+ !has_not_enough_free_secs(sbi, 0))
__allocate_new_segments(sbi, type);
*new_blkaddr = NEXT_FREE_BLKADDR(sbi, curseg);