f2fs: add nobarrier mount option

[GitHub/exynos8895/android_kernel_samsung_universal8895.git] / fs / f2fs / f2fs.h

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index ca421a8e47d96e62e52d341de391d0d860246351..e999eec200b74e3378dd37a5dde9c8c98ba7b9f8 100644 (file)
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -41,6 +41,7 @@
 #define F2FS_MOUNT_INLINE_XATTR                0x00000080
 #define F2FS_MOUNT_INLINE_DATA         0x00000100
 #define F2FS_MOUNT_FLUSH_MERGE         0x00000200
+#define F2FS_MOUNT_NOBARRIER           0x00000400
 
 #define clear_opt(sbi, option) (sbi->mount_opt.opt &= ~F2FS_MOUNT_##option)
 #define set_opt(sbi, option)   (sbi->mount_opt.opt |= F2FS_MOUNT_##option)
@@ -256,6 +257,8 @@ struct f2fs_nm_info {
        unsigned int nat_cnt;           /* the # of cached nat entries */
        struct list_head nat_entries;   /* cached nat entry list (clean) */
        struct list_head dirty_nat_entries; /* cached nat entry list (dirty) */
+       struct list_head nat_entry_set; /* nat entry set list */
+       unsigned int dirty_nat_cnt;     /* total num of nat entries in set */
 
        /* free node ids management */
        struct radix_tree_root free_nid_root;/* root of the free_nid cache */
@@ -1156,7 +1159,7 @@ void f2fs_msg(struct super_block *, const char *, const char *, ...);
 /*
  * hash.c
  */
-f2fs_hash_t f2fs_dentry_hash(const char *, size_t);
+f2fs_hash_t f2fs_dentry_hash(const struct qstr *);
 
 /*
  * node.c
@@ -1174,7 +1177,7 @@ int truncate_inode_blocks(struct inode *, pgoff_t);
 int truncate_xattr_node(struct inode *, struct page *);
 int wait_on_node_pages_writeback(struct f2fs_sb_info *, nid_t);
 void remove_inode_page(struct inode *);
-struct page *new_inode_page(struct inode *, const struct qstr *);
+struct page *new_inode_page(struct inode *);
 struct page *new_node_page(struct dnode_of_data *, unsigned int, struct page *);
 void ra_node_page(struct f2fs_sb_info *, nid_t);
 struct page *get_node_page(struct f2fs_sb_info *, pgoff_t);
@@ -1296,7 +1299,6 @@ bool space_for_roll_forward(struct f2fs_sb_info *);
 struct f2fs_stat_info {
        struct list_head stat_list;
        struct f2fs_sb_info *sbi;
-       struct mutex stat_lock;
        int all_area_segs, sit_area_segs, nat_area_segs, ssa_area_segs;
        int main_area_segs, main_area_sections, main_area_zones;
        int hit_ext, total_ext;