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Subject[PATCH 2/2] nilfs2: Combine nilfs_btree_release_path() and nilfs_btree_free_path()
nilfs_btree_release_path() and nilfs_btree_free_path() are bound into each other
tightly. Make them into one procedure to clearify the logic and avoid some
misusages.

Signed-off-by: Li Hong <lihong.hi@gmail.com>
---
fs/nilfs2/btree.c | 22 +++++-----------------
1 files changed, 5 insertions(+), 17 deletions(-)
diff --git a/fs/nilfs2/btree.c b/fs/nilfs2/btree.c
index bb31ab3..fa4b123 100644
--- a/fs/nilfs2/btree.c
+++ b/fs/nilfs2/btree.c
@@ -93,18 +93,14 @@ out:
return path;
}

-static inline void nilfs_btree_free_path(struct nilfs_btree_path *path)
+static void nilfs_btree_free_path(struct nilfs_btree_path *path)
{
- kmem_cache_free(nilfs_btree_path_cache, path);
-}
-
-static void nilfs_btree_release_path(struct nilfs_btree_path *path)
-{
- int level;
+ int level = NILFS_BTREE_LEVEL_DATA;

- for (level = NILFS_BTREE_LEVEL_DATA; level < NILFS_BTREE_LEVEL_MAX;
- level++)
+ for (; level < NILFS_BTREE_LEVEL_MAX; level++)
brelse(path[level].bp_bh);
+
+ kmem_cache_free(nilfs_btree_path_cache, path);
}

/*
@@ -573,7 +569,6 @@ static int nilfs_btree_lookup(const struct nilfs_bmap *bmap,
if (ptrp != NULL)
*ptrp = ptr;

- nilfs_btree_release_path(path);
nilfs_btree_free_path(path);

return ret;
@@ -655,7 +650,6 @@ static int nilfs_btree_lookup_contig(const struct nilfs_bmap *bmap,
*ptrp = ptr;
ret = cnt;
out:
- nilfs_btree_release_path(path);
nilfs_btree_free_path(path);
return ret;
}
@@ -1139,7 +1133,6 @@ static int nilfs_btree_insert(struct nilfs_bmap *bmap, __u64 key, __u64 ptr)
nilfs_bmap_add_blocks(bmap, stats.bs_nblocks);

out:
- nilfs_btree_release_path(path);
nilfs_btree_free_path(path);
return ret;
}
@@ -1472,7 +1465,6 @@ static int nilfs_btree_delete(struct nilfs_bmap *bmap, __u64 key)
nilfs_bmap_sub_blocks(bmap, stats.bs_nblocks);

out:
- nilfs_btree_release_path(path);
nilfs_btree_free_path(path);
return ret;
}
@@ -1490,7 +1482,6 @@ static int nilfs_btree_last_key(const struct nilfs_bmap *bmap, __u64 *keyp)

ret = nilfs_btree_do_lookup_last(btree, path, keyp, NULL);

- nilfs_btree_release_path(path);
nilfs_btree_free_path(path);

return ret;
@@ -1944,7 +1935,6 @@ static int nilfs_btree_propagate(const struct nilfs_bmap *bmap,
nilfs_btree_propagate_p(btree, path, level, bh);

out:
- nilfs_btree_release_path(path);
nilfs_btree_free_path(path);

return ret;
@@ -2126,7 +2116,6 @@ static int nilfs_btree_assign(struct nilfs_bmap *bmap,
nilfs_btree_assign_p(btree, path, level, bh, blocknr, binfo);

out:
- nilfs_btree_release_path(path);
nilfs_btree_free_path(path);

return ret;
@@ -2190,7 +2179,6 @@ static int nilfs_btree_mark(struct nilfs_bmap *bmap, __u64 key, int level)
nilfs_bmap_set_dirty(&btree->bt_bmap);

out:
- nilfs_btree_release_path(path);
nilfs_btree_free_path(path);
return ret;
}
--
1.6.3.3


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