diff options
| author | Chao Yu <yuchao0@huawei.com> | 2020-08-04 16:14:48 +0300 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2020-09-11 00:03:30 +0300 |
| commit | 2e9b2bb250d5d1493eaf36215fbfe2cd76ce4f7c (patch) | |
| tree | f4dd282c114284b2cb8c004c55bf88f48d883a56 /fs/f2fs/f2fs.h | |
| parent | c5d02785c59dd8ee20031d742003daff8df73e2d (diff) | |
| download | linux-2e9b2bb250d5d1493eaf36215fbfe2cd76ce4f7c.tar.xz | |
f2fs: support 64-bits key in f2fs rb-tree node entry
then, we can add specified entry into rb-tree with 64-bits segment time
as key.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/f2fs.h')
| -rw-r--r-- | fs/f2fs/f2fs.h | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 63fa25f840cc..cda3ded09ec7 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -612,8 +612,13 @@ enum { struct rb_entry { struct rb_node rb_node; /* rb node located in rb-tree */ - unsigned int ofs; /* start offset of the entry */ - unsigned int len; /* length of the entry */ + union { + struct { + unsigned int ofs; /* start offset of the entry */ + unsigned int len; /* length of the entry */ + }; + unsigned long long key; /* 64-bits key */ + }; }; struct extent_info { @@ -3806,6 +3811,10 @@ void f2fs_leave_shrinker(struct f2fs_sb_info *sbi); */ struct rb_entry *f2fs_lookup_rb_tree(struct rb_root_cached *root, struct rb_entry *cached_re, unsigned int ofs); +struct rb_node **f2fs_lookup_rb_tree_ext(struct f2fs_sb_info *sbi, + struct rb_root_cached *root, + struct rb_node **parent, + unsigned long long key, bool *left_most); struct rb_node **f2fs_lookup_rb_tree_for_insert(struct f2fs_sb_info *sbi, struct rb_root_cached *root, struct rb_node **parent, @@ -3816,7 +3825,7 @@ struct rb_entry *f2fs_lookup_rb_tree_ret(struct rb_root_cached *root, struct rb_node ***insert_p, struct rb_node **insert_parent, bool force, bool *leftmost); bool f2fs_check_rb_tree_consistence(struct f2fs_sb_info *sbi, - struct rb_root_cached *root); + struct rb_root_cached *root, bool check_key); unsigned int f2fs_shrink_extent_tree(struct f2fs_sb_info *sbi, int nr_shrink); void f2fs_init_extent_tree(struct inode *inode, struct page *ipage); void f2fs_drop_extent_tree(struct inode *inode); |