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| author | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2013-04-25 13:21:12 +0900 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2013-04-26 10:35:13 +0900 |
| commit | 9198aceb53a493d1be0f3a5a1ce13c07a6fdcd26 (patch) | |
| tree | 21e09f1bffc782fad37b74f0782e8a26d8ced11c | |
| parent | 8680441caa5465a2cd87b6be857be4378df46700 (diff) | |
| download | linux-stable-9198aceb53a493d1be0f3a5a1ce13c07a6fdcd26.tar.gz linux-stable-9198aceb53a493d1be0f3a5a1ce13c07a6fdcd26.tar.bz2 linux-stable-9198aceb53a493d1be0f3a5a1ce13c07a6fdcd26.zip | |
f2fs: check nid == 0 in add_free_nid
It is more obvious that add_free_nid checks whether the free nid is zero or not.
Reviewed-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
| -rw-r--r-- | fs/f2fs/node.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index a0aa0446a237..c8f48d436487 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -1245,6 +1245,10 @@ static int add_free_nid(struct f2fs_nm_info *nm_i, nid_t nid) if (nm_i->fcnt > 2 * MAX_FREE_NIDS) return 0; + + /* 0 nid should not be used */ + if (nid == 0) + return 0; retry: i = kmem_cache_alloc(free_nid_slab, GFP_NOFS); if (!i) { @@ -1286,10 +1290,6 @@ static int scan_nat_page(struct f2fs_nm_info *nm_i, int fcnt = 0; int i; - /* 0 nid should not be used */ - if (start_nid == 0) - ++start_nid; - i = start_nid % NAT_ENTRY_PER_BLOCK; for (; i < NAT_ENTRY_PER_BLOCK; i++, start_nid++) { |