X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=fs%2Fxfs%2Fxfs_inode.h;h=e5aff929cc65effe4bbc0d5f25527c2a597e6b52;hb=c99da91e7a12724127475a85cc7a38214b3504e2;hp=f75afecef8e7b02d78ebb2c4d45a1e381af2ac8c;hpb=6ec129c3a2f8b38bc37e42348470ccfcb7460146;p=linux-2.6-omap-h63xx.git diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h index f75afecef8e..e5aff929cc6 100644 --- a/fs/xfs/xfs_inode.h +++ b/fs/xfs/xfs_inode.h @@ -18,6 +18,10 @@ #ifndef __XFS_INODE_H__ #define __XFS_INODE_H__ +struct xfs_dinode; +struct xfs_dinode_core; + + /* * Fork identifiers. */ @@ -44,7 +48,7 @@ * 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; @@ -65,12 +69,12 @@ typedef struct xfs_ifork { 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 */ @@ -102,7 +106,6 @@ typedef struct xfs_ifork { #ifdef __KERNEL__ struct bhv_desc; -struct bhv_vnode; struct cred; struct ktrace; struct xfs_buf; @@ -168,41 +171,18 @@ typedef struct xfs_iocore { 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. @@ -227,25 +207,56 @@ typedef struct xfs_chash { * 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 */ @@ -282,13 +293,16 @@ typedef struct xfs_inode { 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 @@ -349,6 +363,19 @@ xfs_iflags_test(xfs_inode_t *ip, unsigned short flags) 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__ */ @@ -379,6 +406,10 @@ xfs_iflags_test(xfs_inode_t *ip, unsigned short flags) #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. @@ -414,19 +445,22 @@ xfs_iflags_test(xfs_inode_t *ip, unsigned short flags) * 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 @@ -450,20 +484,17 @@ xfs_iflags_test(xfs_inode_t *ip, unsigned short flags) #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() @@ -476,11 +507,9 @@ xfs_iflags_test(xfs_inode_t *ip, unsigned short flags) */ 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); @@ -502,7 +531,7 @@ int xfs_finish_reclaim_all(struct xfs_mount *, int); * 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); @@ -510,8 +539,11 @@ int xfs_iread_extents(struct xfs_trans *, xfs_inode_t *, int); 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 *, @@ -541,11 +573,9 @@ 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_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); @@ -560,7 +590,7 @@ void xfs_iext_indirect_to_direct(xfs_ifork_t *); 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 *); @@ -585,7 +615,7 @@ void xfs_inobp_check(struct xfs_mount *, struct xfs_buf *); #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;