summaryrefslogtreecommitdiffstats
path: root/fs/f2fs
diff options
context:
space:
mode:
authorChao Yu <chao2.yu@samsung.com>2015-09-22 21:07:47 +0800
committerJaegeuk Kim <jaegeuk@kernel.org>2015-10-09 16:20:53 -0700
commit4abd3f5ac49314fe345566ec859b8e60993207bf (patch)
tree9f7630f55ba33d0ad7c3071bbe27ed9c92b8dc9e /fs/f2fs
parent545fe4210df5eb4097aa17c68f0f153db27bcf44 (diff)
downloadlinux-4abd3f5ac49314fe345566ec859b8e60993207bf.tar.bz2
f2fs: introduce __try_update_largest_extent
This patch adds a new helper __try_update_largest_extent for cleanup. Signed-off-by: Chao Yu <chao2.yu@samsung.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
-rw-r--r--fs/f2fs/extent_cache.c14
-rw-r--r--fs/f2fs/f2fs.h7
2 files changed, 12 insertions, 9 deletions
diff --git a/fs/f2fs/extent_cache.c b/fs/f2fs/extent_cache.c
index c9d1cfd13b58..a38ee9bec4ba 100644
--- a/fs/f2fs/extent_cache.c
+++ b/fs/f2fs/extent_cache.c
@@ -351,8 +351,7 @@ static struct extent_node *__try_merge_extent_node(struct f2fs_sb_info *sbi,
}
if (en) {
- if (en->ei.len > et->largest.len)
- et->largest = en->ei;
+ __try_update_largest_extent(et, en);
et->cached_en = en;
}
return en;
@@ -389,8 +388,7 @@ do_insert:
if (!en)
return NULL;
- if (en->ei.len > et->largest.len)
- et->largest = en->ei;
+ __try_update_largest_extent(et, en);
et->cached_en = en;
return en;
}
@@ -476,12 +474,10 @@ static unsigned int f2fs_update_extent_tree_range(struct inode *inode,
: NULL;
}
- if (parts) {
- if (en->ei.len > et->largest.len)
- et->largest = en->ei;
- } else {
+ if (parts)
+ __try_update_largest_extent(et, en);
+ else
__detach_extent_node(sbi, et, en);
- }
/*
* if original extent is split into zero or two parts, extent
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 79c38adf3ef2..8d6681a33258 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -492,6 +492,13 @@ static inline bool __is_front_mergeable(struct extent_info *cur,
return __is_extent_mergeable(cur, front);
}
+static inline void __try_update_largest_extent(struct extent_tree *et,
+ struct extent_node *en)
+{
+ if (en->ei.len > et->largest.len)
+ et->largest = en->ei;
+}
+
struct f2fs_nm_info {
block_t nat_blkaddr; /* base disk address of NAT */
nid_t max_nid; /* maximum possible node ids */