xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

f2fs: support 64-bits key in f2fs rb-tree node entry

Browse Source 
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>
This commit is contained in:
Chao Yu
2020-08-04 21:14:48 +08:00
committed by Jaegeuk Kim
parent c5d02785c5
commit 2e9b2bb250
3 changed files with 49 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
fs/f2fs/f2fs.h
View File

@@ -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);