Commit 40bb0058 authored Mar 19, 2014 by Jaegeuk Kim

f2fs: avoid to drop nat entries due to the negative nr_shrink



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>

parent 3cb5ad15

fs/f2fs/node.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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);