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authorJaegeuk Kim <jaegeuk@kernel.org>2014-07-25 15:47:17 -0700
committerJaegeuk Kim <jaegeuk@kernel.org>2014-07-29 07:45:54 -0700
commit6451e041c8d39daf39c71eefe839641c2093713e (patch)
tree971f0c3ab382126d3d584c5fbe235a6d03cc8965 /fs/f2fs/f2fs.h
parent953e6cc6bcb615dfa373320ffa62b574c6be608a (diff)
f2fs: add infra for ino management
This patch changes the naming of orphan-related data structures to use as inode numbers managed globally. Later, we can use this facility for managing any inode number lists. Reviewed-by: Chao Yu <chao2.yu@samsung.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/f2fs.h')
-rw-r--r--fs/f2fs/f2fs.h19
1 files changed, 13 insertions, 6 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index e999eec200b7..b6fa6ec54f98 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -100,8 +100,13 @@ enum {
META_SSA
};
-/* for the list of orphan inodes */
-struct orphan_inode_entry {
+/* for the list of ino */
+enum {
+ ORPHAN_INO, /* for orphan ino list */
+ MAX_INO_ENTRY, /* max. list */
+};
+
+struct ino_entry {
struct list_head list; /* list head */
nid_t ino; /* inode number */
};
@@ -450,9 +455,11 @@ struct f2fs_sb_info {
bool por_doing; /* recovery is doing or not */
wait_queue_head_t cp_wait;
- /* for orphan inode management */
- struct list_head orphan_inode_list; /* orphan inode list */
- spinlock_t orphan_inode_lock; /* for orphan inode list */
+ /* for inode management */
+ spinlock_t ino_lock[MAX_INO_ENTRY]; /* for ino entry lock */
+ struct list_head ino_list[MAX_INO_ENTRY]; /* inode list head */
+
+ /* for orphan inode, use 0'th array */
unsigned int n_orphans; /* # of orphan inodes */
unsigned int max_orphans; /* max orphan inodes */
@@ -1255,7 +1262,7 @@ void add_dirty_dir_inode(struct inode *);
void remove_dirty_dir_inode(struct inode *);
void sync_dirty_dir_inodes(struct f2fs_sb_info *);
void write_checkpoint(struct f2fs_sb_info *, bool);
-void init_orphan_info(struct f2fs_sb_info *);
+void init_ino_entry_info(struct f2fs_sb_info *);
int __init create_checkpoint_caches(void);
void destroy_checkpoint_caches(void);