From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jaegeuk Kim Subject: [PATCH] f2fs: do not assing a new segment for dio under space shortage Date: Tue, 11 Aug 2015 11:33:46 -0700 Message-ID: <1439318026-16036-1-git-send-email-jaegeuk@kernel.org> Cc: Jaegeuk Kim To: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Return-path: Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org If there is not enough free segment, we should not assign a new segment explicitly. Otherwise, we can run out of free segment. Signed-off-by: Jaegeuk Kim --- fs/f2fs/segment.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 7d53cb4..bf1605d 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); -- 2.1.1