Messages in this thread Patch in this message | | | From | Jaegeuk Kim <> | Subject | [PATCH 1/5] f2fs: avoid to drop nat entries due to the negative nr_shrink | Date | Wed, 19 Mar 2014 17:02:05 +0900 |
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The try_to_free_nats should not receive the negative nr_shrink. Otherwise, it can drop all the nat entries by the while loop.
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com> --- fs/f2fs/node.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 707fd20..04450a5 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -208,7 +208,7 @@ int try_to_free_nats(struct f2fs_sb_info *sbi, int nr_shrink) { struct f2fs_nm_info *nm_i = NM_I(sbi); - if (nm_i->nat_cnt <= NM_WOUT_THRESHOLD) + if (nm_i->nat_cnt <= NM_WOUT_THRESHOLD || nr_shrink <= 0) return 0; write_lock(&nm_i->nat_tree_lock); -- 1.8.4.474.g128a96c
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