#ifndef __XFS_INODE_H__
#define __XFS_INODE_H__
+struct xfs_dinode;
+struct xfs_dinode_core;
+
+
/*
* Fork identifiers.
*/
* it is possible that a third level of indirection may be required.
*/
typedef struct xfs_ext_irec {
- xfs_bmbt_rec_t *er_extbuf; /* block of extent records */
+ xfs_bmbt_rec_host_t *er_extbuf; /* block of extent records */
xfs_extnum_t er_extoff; /* extent offset in file */
xfs_extnum_t er_extcount; /* number of extents in page/block */
} xfs_ext_irec_t;
unsigned char if_ext_max; /* max # of extent records */
xfs_extnum_t if_lastex; /* last if_extents used */
union {
- xfs_bmbt_rec_t *if_extents; /* linear map file exts */
+ xfs_bmbt_rec_host_t *if_extents;/* linear map file exts */
xfs_ext_irec_t *if_ext_irec; /* irec map file exts */
char *if_data; /* inline file data */
} if_u1;
union {
- xfs_bmbt_rec_t if_inline_ext[XFS_INLINE_EXTS];
+ xfs_bmbt_rec_host_t if_inline_ext[XFS_INLINE_EXTS];
/* very small file extents */
char if_inline_data[XFS_INLINE_DATA];
/* very small file data */
#ifdef __KERNEL__
struct bhv_desc;
-struct bhv_vnode;
struct cred;
struct ktrace;
struct xfs_buf;
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.
+ * This is the xfs inode cluster structure. This structure 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
+typedef struct xfs_icluster {
+ struct hlist_head icl_inodes; /* list of inodes on cluster */
+ xfs_daddr_t icl_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))
-
+ struct xfs_buf *icl_buf; /* the inode buffer */
+ lock_t icl_lock; /* inode list lock */
+} xfs_icluster_t;
/*
* This is the xfs in-core inode structure.
* chain off the mount structure by xfs_sync calls.
*/
+typedef struct xfs_ictimestamp {
+ __int32_t t_sec; /* timestamp seconds */
+ __int32_t t_nsec; /* timestamp nanoseconds */
+} xfs_ictimestamp_t;
+
+/*
+ * NOTE: This structure must be kept identical to struct xfs_dinode_core
+ * in xfs_dinode.h except for the endianess annotations.
+ */
+typedef struct xfs_icdinode {
+ __uint16_t di_magic; /* inode magic # = XFS_DINODE_MAGIC */
+ __uint16_t di_mode; /* mode and type of file */
+ __int8_t di_version; /* inode version */
+ __int8_t di_format; /* format of di_c data */
+ __uint16_t di_onlink; /* old number of links to file */
+ __uint32_t di_uid; /* owner's user id */
+ __uint32_t di_gid; /* owner's group id */
+ __uint32_t di_nlink; /* number of links to file */
+ __uint16_t di_projid; /* owner's project id */
+ __uint8_t di_pad[8]; /* unused, zeroed space */
+ __uint16_t di_flushiter; /* incremented on flush */
+ xfs_ictimestamp_t di_atime; /* time last accessed */
+ xfs_ictimestamp_t di_mtime; /* time last modified */
+ xfs_ictimestamp_t di_ctime; /* time created/inode modified */
+ xfs_fsize_t di_size; /* number of bytes in file */
+ xfs_drfsbno_t di_nblocks; /* # of direct & btree blocks used */
+ xfs_extlen_t di_extsize; /* basic/minimum extent size for file */
+ xfs_extnum_t di_nextents; /* number of extents in data fork */
+ xfs_aextnum_t di_anextents; /* number of extents in attribute fork*/
+ __uint8_t di_forkoff; /* attr fork offs, <<3 for 64b align */
+ __int8_t di_aformat; /* format of attr fork's data */
+ __uint32_t di_dmevmask; /* DMIG event mask */
+ __uint16_t di_dmstate; /* DMIG state info */
+ __uint16_t di_flags; /* random flags, XFS_DIFLAG_... */
+ __uint32_t di_gen; /* generation number */
+} 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 */
unsigned int i_gen; /* generation count */
unsigned int i_delayed_blks; /* count of delay alloc blks */
- xfs_dinode_core_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_icdinode_t i_d; /* most of ondisk inode */
+ xfs_icluster_t *i_cluster; /* cluster list header */
+ struct hlist_node i_cnode; /* cluster link node */
xfs_fsize_t i_size; /* in-memory size */
+ atomic_t i_iocount; /* outstanding I/O count */
/* Trace buffers per inode. */
+#ifdef XFS_VNODE_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__ */
#define XFS_ISTALE 0x0010 /* inode has been staled */
#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.
* gets a lockdep subclass of 1 and the second lock will have a lockdep
* subclass of 0.
*
- * XFS_I[O]LOCK_INUMORDER - for locking several inodes at the some time
+ * XFS_LOCK_INUMORDER - for locking several inodes at the some time
* with xfs_lock_inodes(). This flag is used as the starting subclass
* and each subsequent lock acquired will increment the subclass by one.
* So the first lock acquired will have a lockdep subclass of 2, the
- * second lock will have a lockdep subclass of 3, and so on.
+ * second lock will have a lockdep subclass of 3, and so on. It is
+ * the responsibility of the class builder to shift this to the correct
+ * portion of the lock_mode lockdep mask.
*/
+#define XFS_LOCK_PARENT 1
+#define XFS_LOCK_INUMORDER 2
+
#define XFS_IOLOCK_SHIFT 16
-#define XFS_IOLOCK_PARENT (1 << XFS_IOLOCK_SHIFT)
-#define XFS_IOLOCK_INUMORDER (2 << XFS_IOLOCK_SHIFT)
+#define XFS_IOLOCK_PARENT (XFS_LOCK_PARENT << XFS_IOLOCK_SHIFT)
#define XFS_ILOCK_SHIFT 24
-#define XFS_ILOCK_PARENT (1 << XFS_ILOCK_SHIFT)
-#define XFS_ILOCK_INUMORDER (2 << XFS_ILOCK_SHIFT)
+#define XFS_ILOCK_PARENT (XFS_LOCK_PARENT << XFS_ILOCK_SHIFT)
#define XFS_IOLOCK_DEP_MASK 0x00ff0000
#define XFS_ILOCK_DEP_MASK 0xff000000
#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 *);
+void xfs_inode_lock_init(xfs_inode_t *, bhv_vnode_t *);
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);
* xfs_inode.c prototypes.
*/
int xfs_itobp(struct xfs_mount *, struct xfs_trans *,
- xfs_inode_t *, xfs_dinode_t **, struct xfs_buf **,
+ xfs_inode_t *, struct xfs_dinode **, struct xfs_buf **,
xfs_daddr_t, uint);
int xfs_iread(struct xfs_mount *, struct xfs_trans *, xfs_ino_t,
xfs_inode_t **, xfs_daddr_t, uint);
int xfs_ialloc(struct xfs_trans *, xfs_inode_t *, mode_t,
xfs_nlink_t, xfs_dev_t, struct cred *, xfs_prid_t,
int, struct xfs_buf **, boolean_t *, xfs_inode_t **);
-void xfs_xlate_dinode_core(xfs_caddr_t, struct xfs_dinode_core *,
- int);
+void xfs_dinode_from_disk(struct xfs_icdinode *,
+ struct xfs_dinode_core *);
+void xfs_dinode_to_disk(struct xfs_dinode_core *,
+ struct xfs_icdinode *);
+
uint xfs_ip2xflags(struct xfs_inode *);
uint xfs_dic2xflags(struct xfs_dinode_core *);
int xfs_ifree(struct xfs_trans *, xfs_inode_t *,
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_synchronize_atime(xfs_inode_t *);
-xfs_bmbt_rec_t *xfs_iext_get_ext(xfs_ifork_t *, xfs_extnum_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,
xfs_bmbt_irec_t *);
void xfs_iext_add(xfs_ifork_t *, xfs_extnum_t, int);
void xfs_iext_direct_to_inline(xfs_ifork_t *, xfs_extnum_t);
void xfs_iext_inline_to_direct(xfs_ifork_t *, int);
void xfs_iext_destroy(xfs_ifork_t *);
-xfs_bmbt_rec_t *xfs_iext_bno_to_ext(xfs_ifork_t *, xfs_fileoff_t, int *);
+xfs_bmbt_rec_host_t *xfs_iext_bno_to_ext(xfs_ifork_t *, xfs_fileoff_t, int *);
xfs_ext_irec_t *xfs_iext_bno_to_irec(xfs_ifork_t *, xfs_fileoff_t, int *);
xfs_ext_irec_t *xfs_iext_idx_to_irec(xfs_ifork_t *, xfs_extnum_t *, int *, int);
void xfs_iext_irec_init(xfs_ifork_t *);
#define xfs_inobp_check(mp, bp)
#endif /* DEBUG */
-extern struct kmem_zone *xfs_chashlist_zone;
+extern struct kmem_zone *xfs_icluster_zone;
extern struct kmem_zone *xfs_ifork_zone;
extern struct kmem_zone *xfs_inode_zone;
extern struct kmem_zone *xfs_ili_zone;
git.openpandora.org / pandora-kernel.git / blobdiff