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| author | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2014-02-17 12:44:20 +0900 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2014-02-17 14:58:53 +0900 |
| commit | b63da15e8b475245026bdf2096853683f189706b (patch) | |
| tree | 1d6bf8304f3aa161a09dbd24be7059a7c99cc18a /fs/f2fs/node.c | |
| parent | 942e0be6219cc80384eb961feb963cab275bcbbf (diff) | |
| download | linux-stable-b63da15e8b475245026bdf2096853683f189706b.tar.gz linux-stable-b63da15e8b475245026bdf2096853683f189706b.tar.bz2 linux-stable-b63da15e8b475245026bdf2096853683f189706b.zip | |
f2fs: fix the calculation of max_nids
Total nids that f2fs can use should not include 0, nid for node inode, and nid
for meta inode.
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Diffstat (limited to 'fs/f2fs/node.c')
| -rw-r--r-- | fs/f2fs/node.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 7689f9105dc1..d452185c5eaa 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -1811,7 +1811,9 @@ static int init_node_manager(struct f2fs_sb_info *sbi) /* segment_count_nat includes pair segment so divide to 2. */ nat_segs = le32_to_cpu(sb_raw->segment_count_nat) >> 1; nat_blocks = nat_segs << le32_to_cpu(sb_raw->log_blocks_per_seg); - nm_i->max_nid = NAT_ENTRY_PER_BLOCK * nat_blocks; + + /* not used nids: 0, node, meta, (and root counted as valid node) */ + nm_i->max_nid = NAT_ENTRY_PER_BLOCK * nat_blocks - 3; nm_i->fcnt = 0; nm_i->nat_cnt = 0; |