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authorFan Li <fanofcode.li@samsung.com>2017-11-07 11:04:33 +0800
committerJaegeuk Kim <jaegeuk@kernel.org>2017-11-09 09:41:08 -0800
commit74986213adaff2ceab81fc0bb29dbb80d05665b3 (patch)
treec3d76f044522aa95e71b2f531db624792dcc685f /fs/f2fs/node.c
parenta5fd505092863c520ddf26bd188716b532c1efcf (diff)
downloadlinux-74986213adaff2ceab81fc0bb29dbb80d05665b3.tar.bz2
f2fs: keep scanning until enough free nids are acquired
In current version, after scan_free_nid_bits, the scan is over if nid_cnt[FREE_NID] != 0. In most cases, there are still free nids in the free list during the scan, and scan_free_nid_bits usually can't increase nid_cnt[FREE_NID]. It causes that __build_free_nids is called many times without solving the shortage of the free nids. This patch fixes that. Signed-off-by: Fan li <fanofcode.li@samsung.com> Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/node.c')
-rw-r--r--fs/f2fs/node.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index fef5c68886b1..97799bd503cc 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -2015,7 +2015,7 @@ static void __build_free_nids(struct f2fs_sb_info *sbi, bool sync, bool mount)
/* try to find free nids in free_nid_bitmap */
scan_free_nid_bits(sbi);
- if (nm_i->nid_cnt[FREE_NID])
+ if (nm_i->nid_cnt[FREE_NID] >= NAT_ENTRY_PER_BLOCK)
return;
}