diff options
Diffstat (limited to 'fs/nilfs2/nilfs.h')
| -rw-r--r-- | fs/nilfs2/nilfs.h | 38 |
1 files changed, 16 insertions, 22 deletions
diff --git a/fs/nilfs2/nilfs.h b/fs/nilfs2/nilfs.h index d3d54046e5f8..f7560da5a567 100644 --- a/fs/nilfs2/nilfs.h +++ b/fs/nilfs2/nilfs.h @@ -59,6 +59,7 @@ struct nilfs_inode_info { #endif struct buffer_head *i_bh; /* i_bh contains a new or dirty disk inode */ + struct nilfs_root *i_root; struct inode vfs_inode; }; @@ -100,7 +101,6 @@ enum { NILFS_I_INODE_DIRTY, /* write_inode is requested */ NILFS_I_BMAP, /* has bmap and btnode_cache */ NILFS_I_GCINODE, /* inode for GC, on memory only */ - NILFS_I_GCDAT, /* shadow DAT, on memory only */ }; /* @@ -192,7 +192,7 @@ static inline int nilfs_doing_construction(void) static inline struct inode *nilfs_dat_inode(const struct the_nilfs *nilfs) { - return nilfs_doing_gc() ? nilfs->ns_gc_dat : nilfs->ns_dat; + return nilfs->ns_dat; } /* @@ -200,12 +200,9 @@ static inline struct inode *nilfs_dat_inode(const struct the_nilfs *nilfs) */ #ifdef CONFIG_NILFS_POSIX_ACL #error "NILFS: not yet supported POSIX ACL" -extern int nilfs_permission(struct inode *, int, struct nameidata *); extern int nilfs_acl_chmod(struct inode *); extern int nilfs_init_acl(struct inode *, struct inode *); #else -#define nilfs_permission NULL - static inline int nilfs_acl_chmod(struct inode *inode) { return 0; @@ -247,11 +244,19 @@ extern int nilfs_get_block(struct inode *, sector_t, struct buffer_head *, int); extern void nilfs_set_inode_flags(struct inode *); extern int nilfs_read_inode_common(struct inode *, struct nilfs_inode *); extern void nilfs_write_inode_common(struct inode *, struct nilfs_inode *, int); -extern struct inode *nilfs_iget(struct super_block *, unsigned long); +struct inode *nilfs_ilookup(struct super_block *sb, struct nilfs_root *root, + unsigned long ino); +struct inode *nilfs_iget_locked(struct super_block *sb, struct nilfs_root *root, + unsigned long ino); +struct inode *nilfs_iget(struct super_block *sb, struct nilfs_root *root, + unsigned long ino); +extern struct inode *nilfs_iget_for_gc(struct super_block *sb, + unsigned long ino, __u64 cno); extern void nilfs_update_inode(struct inode *, struct buffer_head *); extern void nilfs_truncate(struct inode *); extern void nilfs_evict_inode(struct inode *); extern int nilfs_setattr(struct dentry *, struct iattr *); +int nilfs_permission(struct inode *inode, int mask); extern int nilfs_load_inode_block(struct nilfs_sb_info *, struct inode *, struct buffer_head **); extern int nilfs_inode_dirty(struct inode *); @@ -260,11 +265,7 @@ extern int nilfs_set_file_dirty(struct nilfs_sb_info *, struct inode *, extern int nilfs_mark_inode_dirty(struct inode *); extern void nilfs_dirty_inode(struct inode *); -/* namei.c */ -extern struct dentry *nilfs_get_parent(struct dentry *); - /* super.c */ -extern struct inode *nilfs_alloc_inode_common(struct the_nilfs *); extern struct inode *nilfs_alloc_inode(struct super_block *); extern void nilfs_destroy_inode(struct inode *); extern void nilfs_error(struct super_block *, const char *, const char *, ...) @@ -283,8 +284,9 @@ extern struct nilfs_super_block **nilfs_prepare_super(struct nilfs_sb_info *, int flip); extern int nilfs_commit_super(struct nilfs_sb_info *, int); extern int nilfs_cleanup_super(struct nilfs_sb_info *); -extern int nilfs_attach_checkpoint(struct nilfs_sb_info *, __u64); -extern void nilfs_detach_checkpoint(struct nilfs_sb_info *); +int nilfs_attach_checkpoint(struct nilfs_sb_info *sbi, __u64 cno, int curr_mnt, + struct nilfs_root **root); +int nilfs_checkpoint_is_mounted(struct super_block *sb, __u64 cno); /* gcinode.c */ int nilfs_gccache_submit_read_data(struct inode *, sector_t, sector_t, __u64, @@ -292,16 +294,8 @@ int nilfs_gccache_submit_read_data(struct inode *, sector_t, sector_t, __u64, int nilfs_gccache_submit_read_node(struct inode *, sector_t, __u64, struct buffer_head **); int nilfs_gccache_wait_and_mark_dirty(struct buffer_head *); -int nilfs_init_gccache(struct the_nilfs *); -void nilfs_destroy_gccache(struct the_nilfs *); -void nilfs_clear_gcinode(struct inode *); -struct inode *nilfs_gc_iget(struct the_nilfs *, ino_t, __u64); -void nilfs_remove_all_gcinode(struct the_nilfs *); - -/* gcdat.c */ -int nilfs_init_gcdat_inode(struct the_nilfs *); -void nilfs_commit_gcdat_inode(struct the_nilfs *); -void nilfs_clear_gcdat_inode(struct the_nilfs *); +int nilfs_init_gcinode(struct inode *inode); +void nilfs_remove_all_gcinodes(struct the_nilfs *nilfs); /* * Inodes and files operations |