diff options
Diffstat (limited to 'fs/nilfs2/nilfs.h')
| -rw-r--r-- | fs/nilfs2/nilfs.h | 81 |
1 files changed, 55 insertions, 26 deletions
diff --git a/fs/nilfs2/nilfs.h b/fs/nilfs2/nilfs.h index 385704027575..33f8c8fc96e8 100644 --- a/fs/nilfs2/nilfs.h +++ b/fs/nilfs2/nilfs.h @@ -13,12 +13,7 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * - * Written by Koji Sato <koji@osrg.net> - * Ryusuke Konishi <ryusuke@osrg.net> + * Written by Koji Sato and Ryusuke Konishi. */ #ifndef _NILFS_H @@ -28,7 +23,8 @@ #include <linux/buffer_head.h> #include <linux/spinlock.h> #include <linux/blkdev.h> -#include <linux/nilfs2_fs.h> +#include <linux/nilfs2_api.h> +#include <linux/nilfs2_ondisk.h> #include "the_nilfs.h" #include "bmap.h" @@ -69,8 +65,10 @@ struct nilfs_inode_info { */ struct rw_semaphore xattr_sem; #endif - struct buffer_head *i_bh; /* i_bh contains a new or dirty - disk inode */ + struct buffer_head *i_bh; /* + * i_bh contains a new or dirty + * disk inode. + */ struct nilfs_root *i_root; struct inode vfs_inode; }; @@ -100,8 +98,10 @@ enum { NILFS_I_NEW = 0, /* Inode is newly created */ NILFS_I_DIRTY, /* The file is dirty */ NILFS_I_QUEUED, /* inode is in dirty_files list */ - NILFS_I_BUSY, /* inode is grabbed by a segment - constructor */ + NILFS_I_BUSY, /* + * Inode is grabbed by a segment + * constructor + */ NILFS_I_COLLECTED, /* All dirty blocks are collected */ NILFS_I_UPDATED, /* The file has been written back */ NILFS_I_INODE_SYNC, /* dsync is not allowed for inode */ @@ -120,20 +120,19 @@ enum { /* * Macros to check inode numbers */ -#define NILFS_MDT_INO_BITS \ - ((unsigned int)(1 << NILFS_DAT_INO | 1 << NILFS_CPFILE_INO | \ - 1 << NILFS_SUFILE_INO | 1 << NILFS_IFILE_INO | \ - 1 << NILFS_ATIME_INO | 1 << NILFS_SKETCH_INO)) +#define NILFS_MDT_INO_BITS \ + (BIT(NILFS_DAT_INO) | BIT(NILFS_CPFILE_INO) | \ + BIT(NILFS_SUFILE_INO) | BIT(NILFS_IFILE_INO) | \ + BIT(NILFS_ATIME_INO) | BIT(NILFS_SKETCH_INO)) -#define NILFS_SYS_INO_BITS \ - ((unsigned int)(1 << NILFS_ROOT_INO) | NILFS_MDT_INO_BITS) +#define NILFS_SYS_INO_BITS (BIT(NILFS_ROOT_INO) | NILFS_MDT_INO_BITS) #define NILFS_FIRST_INO(sb) (((struct the_nilfs *)sb->s_fs_info)->ns_first_ino) #define NILFS_MDT_INODE(sb, ino) \ - ((ino) < NILFS_FIRST_INO(sb) && (NILFS_MDT_INO_BITS & (1 << (ino)))) + ((ino) < NILFS_FIRST_INO(sb) && (NILFS_MDT_INO_BITS & BIT(ino))) #define NILFS_VALID_INODE(sb, ino) \ - ((ino) >= NILFS_FIRST_INO(sb) || (NILFS_SYS_INO_BITS & (1 << (ino)))) + ((ino) >= NILFS_FIRST_INO(sb) || (NILFS_SYS_INO_BITS & BIT(ino))) /** * struct nilfs_transaction_info: context information for synchronization @@ -145,8 +144,10 @@ enum { struct nilfs_transaction_info { u32 ti_magic; void *ti_save; - /* This should never used. If this happens, - one of other filesystems has a bug. */ + /* + * This should never be used. If it happens, + * one of other filesystems has a bug. + */ unsigned short ti_flags; unsigned short ti_count; }; @@ -156,8 +157,10 @@ struct nilfs_transaction_info { /* ti_flags */ #define NILFS_TI_DYNAMIC_ALLOC 0x0001 /* Allocated from slab */ -#define NILFS_TI_SYNC 0x0002 /* Force to construct segment at the - end of transaction. */ +#define NILFS_TI_SYNC 0x0002 /* + * Force to construct segment at the + * end of transaction. + */ #define NILFS_TI_GC 0x0004 /* GC context */ #define NILFS_TI_COMMIT 0x0008 /* Change happened or not */ #define NILFS_TI_WRITER 0x0010 /* Constructor context */ @@ -279,7 +282,7 @@ extern void nilfs_write_failed(struct address_space *mapping, loff_t to); int nilfs_permission(struct inode *inode, int mask); int nilfs_load_inode_block(struct inode *inode, struct buffer_head **pbh); extern int nilfs_inode_dirty(struct inode *); -int nilfs_set_file_dirty(struct inode *inode, unsigned nr_dirty); +int nilfs_set_file_dirty(struct inode *inode, unsigned int nr_dirty); extern int __nilfs_mark_inode_dirty(struct inode *, int); extern void nilfs_dirty_inode(struct inode *, int flags); int nilfs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, @@ -296,10 +299,36 @@ static inline int nilfs_mark_inode_dirty_sync(struct inode *inode) /* super.c */ extern struct inode *nilfs_alloc_inode(struct super_block *); extern void nilfs_destroy_inode(struct inode *); + extern __printf(3, 4) -void nilfs_error(struct super_block *, const char *, const char *, ...); +void __nilfs_msg(struct super_block *sb, const char *level, + const char *fmt, ...); extern __printf(3, 4) -void nilfs_warning(struct super_block *, const char *, const char *, ...); +void __nilfs_error(struct super_block *sb, const char *function, + const char *fmt, ...); + +#ifdef CONFIG_PRINTK + +#define nilfs_msg(sb, level, fmt, ...) \ + __nilfs_msg(sb, level, fmt, ##__VA_ARGS__) +#define nilfs_error(sb, fmt, ...) \ + __nilfs_error(sb, __func__, fmt, ##__VA_ARGS__) + +#else + +#define nilfs_msg(sb, level, fmt, ...) \ + do { \ + no_printk(fmt, ##__VA_ARGS__); \ + (void)(sb); \ + } while (0) +#define nilfs_error(sb, fmt, ...) \ + do { \ + no_printk(fmt, ##__VA_ARGS__); \ + __nilfs_error(sb, "", " "); \ + } while (0) + +#endif /* CONFIG_PRINTK */ + extern struct nilfs_super_block * nilfs_read_super_block(struct super_block *, u64, int, struct buffer_head **); extern int nilfs_store_magic_and_option(struct super_block *, |