From: Jaegeuk Kim Date: Tue, 11 Aug 2015 17:17:27 +0000 (-0700) Subject: f2fs: do not assign a new segment for dio under space shortage X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=47e70ca46f9074efe6573263c0de5bef0af829de;p=linux-beck.git 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 Signed-off-by: Jaegeuk Kim --- 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);