#ifdef __KERNEL__
struct bhv_desc;
-struct bhv_vnode;
struct cred;
struct ktrace;
struct xfs_buf;
__uint16_t da_pad; /* DMIG extra padding */
} dm_attrs_t;
-typedef struct xfs_iocore {
- void *io_obj; /* pointer to container
- * inode or dcxvn structure */
- struct xfs_mount *io_mount; /* fs mount struct ptr */
-#ifdef DEBUG
- mrlock_t *io_lock; /* inode IO lock */
- mrlock_t *io_iolock; /* inode IO lock */
-#endif
-
- /* I/O state */
- xfs_fsize_t io_new_size; /* sz when write completes */
-
- /* Miscellaneous state. */
- unsigned int io_flags; /* IO related flags */
-
- /* DMAPI state */
- dm_attrs_t io_dmattrs;
-
-} xfs_iocore_t;
-
-#define io_dmevmask io_dmattrs.da_dmevmask
-#define io_dmstate io_dmattrs.da_dmstate
-
-#define XFS_IO_INODE(io) ((xfs_inode_t *) ((io)->io_obj))
-#define XFS_IO_DCXVN(io) ((dcxvn_t *) ((io)->io_obj))
-
-/*
- * Flags in the flags field
- */
-
-#define XFS_IOCORE_RT 0x1
-
-/*
- * xfs_iocore prototypes
- */
-
-extern void xfs_iocore_inode_init(struct xfs_inode *);
-extern void xfs_iocore_inode_reinit(struct xfs_inode *);
-
-
-/*
- * This is the type used in the xfs inode hash table.
- * An array of these is allocated for each mounted
- * file system to hash the inodes for that file system.
- */
-typedef struct xfs_ihash {
- struct xfs_inode *ih_next;
- rwlock_t ih_lock;
- uint ih_version;
-} xfs_ihash_t;
-
-#define XFS_IHASH(mp,ino) ((mp)->m_ihash + (((uint)(ino)) % (mp)->m_ihsize))
-
-/*
- * This is the xfs inode cluster hash. This hash is used by xfs_iflush to
- * find inodes that share a cluster and can be flushed to disk at the same
- * time.
- */
-typedef struct xfs_chashlist {
- struct xfs_chashlist *chl_next;
- struct xfs_chashlist *chl_prev;
- struct xfs_inode *chl_ip;
- xfs_daddr_t chl_blkno; /* starting block number of
- * the cluster */
- struct xfs_buf *chl_buf; /* the inode buffer */
-} xfs_chashlist_t;
-
-typedef struct xfs_chash {
- xfs_chashlist_t *ch_list;
- lock_t ch_lock;
-} xfs_chash_t;
-
-#define XFS_CHASH(mp,blk) ((mp)->m_chash + (((uint)blk) % (mp)->m_chsize))
-
-
/*
* This is the xfs in-core inode structure.
* Most of the on-disk inode is embedded in the i_d field.
} xfs_icdinode_t;
typedef struct {
- struct xfs_ihash *ip_hash; /* pointer to hash header */
- struct xfs_inode *ip_next; /* inode hash link forw */
struct xfs_inode *ip_mnext; /* next inode in mount list */
struct xfs_inode *ip_mprev; /* ptr to prev inode */
- struct xfs_inode **ip_prevp; /* ptr to prev i_next */
struct xfs_mount *ip_mount; /* fs mount struct ptr */
} xfs_iptr_t;
typedef struct xfs_inode {
/* Inode linking and identification information. */
- struct xfs_ihash *i_hash; /* pointer to hash header */
- struct xfs_inode *i_next; /* inode hash link forw */
struct xfs_inode *i_mnext; /* next inode in mount list */
struct xfs_inode *i_mprev; /* ptr to prev inode */
- struct xfs_inode **i_prevp; /* ptr to prev i_next */
struct xfs_mount *i_mount; /* fs mount struct ptr */
struct list_head i_reclaim; /* reclaim list */
- struct bhv_desc i_bhv_desc; /* inode behavior descriptor*/
+ bhv_vnode_t *i_vnode; /* vnode backpointer */
struct xfs_dquot *i_udquot; /* user dquot */
struct xfs_dquot *i_gdquot; /* group dquot */
atomic_t i_pincount; /* inode pin count */
wait_queue_head_t i_ipin_wait; /* inode pinning wait queue */
spinlock_t i_flags_lock; /* inode i_flags lock */
-#ifdef HAVE_REFCACHE
- struct xfs_inode **i_refcache; /* ptr to entry in ref cache */
- struct xfs_inode *i_release; /* inode to unref */
-#endif
- /* I/O state */
- xfs_iocore_t i_iocore; /* I/O core */
-
/* Miscellaneous state. */
unsigned short i_flags; /* see defined flags below */
unsigned char i_update_core; /* timestamps/size is dirty */
unsigned int i_delayed_blks; /* count of delay alloc blks */
xfs_icdinode_t i_d; /* most of ondisk inode */
- xfs_chashlist_t *i_chash; /* cluster hash list header */
- struct xfs_inode *i_cnext; /* cluster hash link forward */
- struct xfs_inode *i_cprev; /* cluster hash link backward */
xfs_fsize_t i_size; /* in-memory size */
+ xfs_fsize_t i_new_size; /* size when write completes */
+ atomic_t i_iocount; /* outstanding I/O count */
/* Trace buffers per inode. */
+#ifdef XFS_INODE_TRACE
+ struct ktrace *i_trace; /* general inode trace */
+#endif
#ifdef XFS_BMAP_TRACE
struct ktrace *i_xtrace; /* inode extent list trace */
#endif
spin_unlock(&ip->i_flags_lock);
return ret;
}
+
+static inline int
+xfs_iflags_test_and_clear(xfs_inode_t *ip, unsigned short flags)
+{
+ int ret;
+
+ spin_lock(&ip->i_flags_lock);
+ ret = ip->i_flags & flags;
+ if (ret)
+ ip->i_flags &= ~flags;
+ spin_unlock(&ip->i_flags_lock);
+ return ret;
+}
#endif /* __KERNEL__ */
/*
* Fork handling.
*/
-#define XFS_IFORK_PTR(ip,w) \
- ((w) == XFS_DATA_FORK ? &(ip)->i_df : (ip)->i_afp)
-#define XFS_IFORK_Q(ip) XFS_CFORK_Q(&(ip)->i_d)
-#define XFS_IFORK_DSIZE(ip) XFS_CFORK_DSIZE(&ip->i_d, ip->i_mount)
-#define XFS_IFORK_ASIZE(ip) XFS_CFORK_ASIZE(&ip->i_d, ip->i_mount)
-#define XFS_IFORK_SIZE(ip,w) XFS_CFORK_SIZE(&ip->i_d, ip->i_mount, w)
-#define XFS_IFORK_FORMAT(ip,w) XFS_CFORK_FORMAT(&ip->i_d, w)
-#define XFS_IFORK_FMT_SET(ip,w,n) XFS_CFORK_FMT_SET(&ip->i_d, w, n)
-#define XFS_IFORK_NEXTENTS(ip,w) XFS_CFORK_NEXTENTS(&ip->i_d, w)
-#define XFS_IFORK_NEXT_SET(ip,w,n) XFS_CFORK_NEXT_SET(&ip->i_d, w, n)
+#define XFS_IFORK_Q(ip) ((ip)->i_d.di_forkoff != 0)
+#define XFS_IFORK_BOFF(ip) ((int)((ip)->i_d.di_forkoff << 3))
+
+#define XFS_IFORK_PTR(ip,w) \
+ ((w) == XFS_DATA_FORK ? \
+ &(ip)->i_df : \
+ (ip)->i_afp)
+#define XFS_IFORK_DSIZE(ip) \
+ (XFS_IFORK_Q(ip) ? \
+ XFS_IFORK_BOFF(ip) : \
+ XFS_LITINO((ip)->i_mount))
+#define XFS_IFORK_ASIZE(ip) \
+ (XFS_IFORK_Q(ip) ? \
+ XFS_LITINO((ip)->i_mount) - XFS_IFORK_BOFF(ip) : \
+ 0)
+#define XFS_IFORK_SIZE(ip,w) \
+ ((w) == XFS_DATA_FORK ? \
+ XFS_IFORK_DSIZE(ip) : \
+ XFS_IFORK_ASIZE(ip))
+#define XFS_IFORK_FORMAT(ip,w) \
+ ((w) == XFS_DATA_FORK ? \
+ (ip)->i_d.di_format : \
+ (ip)->i_d.di_aformat)
+#define XFS_IFORK_FMT_SET(ip,w,n) \
+ ((w) == XFS_DATA_FORK ? \
+ ((ip)->i_d.di_format = (n)) : \
+ ((ip)->i_d.di_aformat = (n)))
+#define XFS_IFORK_NEXTENTS(ip,w) \
+ ((w) == XFS_DATA_FORK ? \
+ (ip)->i_d.di_nextents : \
+ (ip)->i_d.di_anextents)
+#define XFS_IFORK_NEXT_SET(ip,w,n) \
+ ((w) == XFS_DATA_FORK ? \
+ ((ip)->i_d.di_nextents = (n)) : \
+ ((ip)->i_d.di_anextents = (n)))
#ifdef __KERNEL__
#define XFS_IRECLAIMABLE 0x0020 /* inode can be reclaimed */
#define XFS_INEW 0x0040
#define XFS_IFILESTREAM 0x0080 /* inode is in a filestream directory */
+#define XFS_IMODIFIED 0x0100 /* XFS inode state possibly differs */
+ /* to the Linux inode state. */
+#define XFS_ITRUNCATED 0x0200 /* truncated down so flush-on-close */
/*
* Flags for inode locking.
#define XFS_ILOCK_EXCL (1<<2)
#define XFS_ILOCK_SHARED (1<<3)
#define XFS_IUNLOCK_NONOTIFY (1<<4)
-/* #define XFS_IOLOCK_NESTED (1<<5) */
-#define XFS_EXTENT_TOKEN_RD (1<<6)
-#define XFS_SIZE_TOKEN_RD (1<<7)
-#define XFS_EXTSIZE_RD (XFS_EXTENT_TOKEN_RD|XFS_SIZE_TOKEN_RD)
-#define XFS_WILLLEND (1<<8) /* Always acquire tokens for lending */
-#define XFS_EXTENT_TOKEN_WR (XFS_EXTENT_TOKEN_RD | XFS_WILLLEND)
-#define XFS_SIZE_TOKEN_WR (XFS_SIZE_TOKEN_RD | XFS_WILLLEND)
-#define XFS_EXTSIZE_WR (XFS_EXTSIZE_RD | XFS_WILLLEND)
-/* TODO:XFS_SIZE_TOKEN_WANT (1<<9) */
#define XFS_LOCK_MASK (XFS_IOLOCK_EXCL | XFS_IOLOCK_SHARED \
- | XFS_ILOCK_EXCL | XFS_ILOCK_SHARED \
- | XFS_EXTENT_TOKEN_RD | XFS_SIZE_TOKEN_RD \
- | XFS_WILLLEND)
+ | XFS_ILOCK_EXCL | XFS_ILOCK_SHARED)
/*
* Flags for lockdep annotations.
#define XFS_IFLUSH_SYNC 3
#define XFS_IFLUSH_ASYNC 4
#define XFS_IFLUSH_DELWRI 5
+#define XFS_IFLUSH_ASYNC_NOBLOCK 6
/*
* Flags for xfs_itruncate_start().
#define XFS_ITRUNC_DEFINITE 0x1
#define XFS_ITRUNC_MAYBE 0x2
-#define XFS_ITOV(ip) BHV_TO_VNODE(XFS_ITOBHV(ip))
-#define XFS_ITOV_NULL(ip) BHV_TO_VNODE_NULL(XFS_ITOBHV(ip))
-#define XFS_ITOBHV(ip) ((struct bhv_desc *)(&((ip)->i_bhv_desc)))
-#define XFS_BHVTOI(bhvp) ((xfs_inode_t *)((char *)(bhvp) - \
- (char *)&(((xfs_inode_t *)0)->i_bhv_desc)))
-#define BHV_IS_XFS(bdp) (BHV_OPS(bdp) == &xfs_vnodeops)
+#define XFS_ITOV(ip) ((ip)->i_vnode)
+#define XFS_ITOV_NULL(ip) ((ip)->i_vnode)
/*
* For multiple groups support: if S_ISGID bit is set in the parent
* directory, group of new file is set to that of the parent, and
* new subdirectory gets S_ISGID bit from parent.
*/
-#define XFS_INHERIT_GID(pip, vfsp) \
- (((vfsp)->vfs_flag & VFS_GRPID) || ((pip)->i_d.di_mode & S_ISGID))
+#define XFS_INHERIT_GID(pip) \
+ (((pip)->i_mount->m_flags & XFS_MOUNT_GRPID) || \
+ ((pip)->i_d.di_mode & S_ISGID))
/*
* Flags for xfs_iget()
*/
void xfs_ihash_init(struct xfs_mount *);
void xfs_ihash_free(struct xfs_mount *);
-void xfs_chash_init(struct xfs_mount *);
-void xfs_chash_free(struct xfs_mount *);
xfs_inode_t *xfs_inode_incore(struct xfs_mount *, xfs_ino_t,
struct xfs_trans *);
-void xfs_inode_lock_init(xfs_inode_t *, struct bhv_vnode *);
int xfs_iget(struct xfs_mount *, struct xfs_trans *, xfs_ino_t,
uint, uint, xfs_inode_t **, xfs_daddr_t);
void xfs_iput(xfs_inode_t *, uint);
int xfs_ilock_nowait(xfs_inode_t *, uint);
void xfs_iunlock(xfs_inode_t *, uint);
void xfs_ilock_demote(xfs_inode_t *, uint);
+int xfs_isilocked(xfs_inode_t *, uint);
void xfs_iflock(xfs_inode_t *);
int xfs_iflock_nowait(xfs_inode_t *);
uint xfs_ilock_map_shared(xfs_inode_t *);
*/
int xfs_itobp(struct xfs_mount *, struct xfs_trans *,
xfs_inode_t *, struct xfs_dinode **, struct xfs_buf **,
- xfs_daddr_t, uint);
+ xfs_daddr_t, uint, uint);
int xfs_iread(struct xfs_mount *, struct xfs_trans *, xfs_ino_t,
xfs_inode_t **, xfs_daddr_t, uint);
int xfs_iread_extents(struct xfs_trans *, xfs_inode_t *, int);
struct xfs_icdinode *);
uint xfs_ip2xflags(struct xfs_inode *);
-uint xfs_dic2xflags(struct xfs_dinode_core *);
+uint xfs_dic2xflags(struct xfs_dinode *);
int xfs_ifree(struct xfs_trans *, xfs_inode_t *,
struct xfs_bmap_free *);
int xfs_itruncate_start(xfs_inode_t *, uint, xfs_fsize_t);
int xfs_iextents_copy(xfs_inode_t *, xfs_bmbt_rec_t *, int);
int xfs_iflush(xfs_inode_t *, uint);
void xfs_iflush_all(struct xfs_mount *);
-int xfs_iaccess(xfs_inode_t *, mode_t, cred_t *);
-uint xfs_iroundup(uint);
void xfs_ichgtime(xfs_inode_t *, int);
xfs_fsize_t xfs_file_last_byte(xfs_inode_t *);
-void xfs_lock_inodes(xfs_inode_t **, int, int, uint);
-
-xfs_inode_t *xfs_vtoi(struct bhv_vnode *vp);
+void xfs_lock_inodes(xfs_inode_t **, int, uint);
void xfs_synchronize_atime(xfs_inode_t *);
+void xfs_mark_inode_dirty_sync(xfs_inode_t *);
xfs_bmbt_rec_host_t *xfs_iext_get_ext(xfs_ifork_t *, xfs_extnum_t);
void xfs_iext_insert(xfs_ifork_t *, xfs_extnum_t, xfs_extnum_t,
#define xfs_inobp_check(mp, bp)
#endif /* DEBUG */
-extern struct kmem_zone *xfs_chashlist_zone;
extern struct kmem_zone *xfs_ifork_zone;
extern struct kmem_zone *xfs_inode_zone;
extern struct kmem_zone *xfs_ili_zone;