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Diffstat (limited to 'fs/xfs/xfs_mount.h')
-rw-r--r--fs/xfs/xfs_mount.h176
1 files changed, 93 insertions, 83 deletions
diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h
index 76ad7475869..c618f7cb5f0 100644
--- a/fs/xfs/xfs_mount.h
+++ b/fs/xfs/xfs_mount.h
@@ -54,13 +54,8 @@ typedef struct xfs_trans_reservations {
#else
struct cred;
struct log;
-struct bhv_vfs;
-struct bhv_vnode;
struct xfs_mount_args;
-struct xfs_ihash;
-struct xfs_chash;
struct xfs_inode;
-struct xfs_perag;
struct xfs_iocore;
struct xfs_bmbt_irec;
struct xfs_bmap_free;
@@ -68,9 +63,6 @@ struct xfs_extdelta;
struct xfs_swapext;
struct xfs_mru_cache;
-extern struct bhv_vfsops xfs_vfsops;
-extern struct bhv_vnodeops xfs_vnodeops;
-
#define AIL_LOCK_T lock_t
#define AIL_LOCKINIT(x,y) spinlock_init(x,y)
#define AIL_LOCK_DESTROY(x) spinlock_destroy(x)
@@ -82,15 +74,17 @@ extern struct bhv_vnodeops xfs_vnodeops;
* Prototypes and functions for the Data Migration subsystem.
*/
-typedef int (*xfs_send_data_t)(int, struct bhv_vnode *,
+typedef int (*xfs_send_data_t)(int, bhv_vnode_t *,
xfs_off_t, size_t, int, bhv_vrwlock_t *);
typedef int (*xfs_send_mmap_t)(struct vm_area_struct *, uint);
-typedef int (*xfs_send_destroy_t)(struct bhv_vnode *, dm_right_t);
-typedef int (*xfs_send_namesp_t)(dm_eventtype_t, struct bhv_vfs *,
- struct bhv_vnode *,
- dm_right_t, struct bhv_vnode *, dm_right_t,
+typedef int (*xfs_send_destroy_t)(bhv_vnode_t *, dm_right_t);
+typedef int (*xfs_send_namesp_t)(dm_eventtype_t, struct xfs_mount *,
+ bhv_vnode_t *,
+ dm_right_t, bhv_vnode_t *, dm_right_t,
char *, char *, mode_t, int, int);
-typedef void (*xfs_send_unmount_t)(struct bhv_vfs *, struct bhv_vnode *,
+typedef int (*xfs_send_mount_t)(struct xfs_mount *, dm_right_t,
+ char *, char *);
+typedef void (*xfs_send_unmount_t)(struct xfs_mount *, bhv_vnode_t *,
dm_right_t, mode_t, int, int);
typedef struct xfs_dmops {
@@ -98,21 +92,24 @@ typedef struct xfs_dmops {
xfs_send_mmap_t xfs_send_mmap;
xfs_send_destroy_t xfs_send_destroy;
xfs_send_namesp_t xfs_send_namesp;
+ xfs_send_mount_t xfs_send_mount;
xfs_send_unmount_t xfs_send_unmount;
} xfs_dmops_t;
#define XFS_SEND_DATA(mp, ev,vp,off,len,fl,lock) \
- (*(mp)->m_dm_ops.xfs_send_data)(ev,vp,off,len,fl,lock)
+ (*(mp)->m_dm_ops->xfs_send_data)(ev,vp,off,len,fl,lock)
#define XFS_SEND_MMAP(mp, vma,fl) \
- (*(mp)->m_dm_ops.xfs_send_mmap)(vma,fl)
+ (*(mp)->m_dm_ops->xfs_send_mmap)(vma,fl)
#define XFS_SEND_DESTROY(mp, vp,right) \
- (*(mp)->m_dm_ops.xfs_send_destroy)(vp,right)
+ (*(mp)->m_dm_ops->xfs_send_destroy)(vp,right)
#define XFS_SEND_NAMESP(mp, ev,b1,r1,b2,r2,n1,n2,mode,rval,fl) \
- (*(mp)->m_dm_ops.xfs_send_namesp)(ev,NULL,b1,r1,b2,r2,n1,n2,mode,rval,fl)
-#define XFS_SEND_PREUNMOUNT(mp, vfs,b1,r1,b2,r2,n1,n2,mode,rval,fl) \
- (*(mp)->m_dm_ops.xfs_send_namesp)(DM_EVENT_PREUNMOUNT,vfs,b1,r1,b2,r2,n1,n2,mode,rval,fl)
-#define XFS_SEND_UNMOUNT(mp, vfsp,vp,right,mode,rval,fl) \
- (*(mp)->m_dm_ops.xfs_send_unmount)(vfsp,vp,right,mode,rval,fl)
+ (*(mp)->m_dm_ops->xfs_send_namesp)(ev,NULL,b1,r1,b2,r2,n1,n2,mode,rval,fl)
+#define XFS_SEND_PREUNMOUNT(mp,b1,r1,b2,r2,n1,n2,mode,rval,fl) \
+ (*(mp)->m_dm_ops->xfs_send_namesp)(DM_EVENT_PREUNMOUNT,mp,b1,r1,b2,r2,n1,n2,mode,rval,fl)
+#define XFS_SEND_MOUNT(mp,right,path,name) \
+ (*(mp)->m_dm_ops->xfs_send_mount)(mp,right,path,name)
+#define XFS_SEND_UNMOUNT(mp, vp,right,mode,rval,fl) \
+ (*(mp)->m_dm_ops->xfs_send_unmount)(mp,vp,right,mode,rval,fl)
/*
@@ -142,6 +139,9 @@ typedef struct xfs_dquot * (*xfs_dqvopchown_t)(
struct xfs_dquot **, struct xfs_dquot *);
typedef int (*xfs_dqvopchownresv_t)(struct xfs_trans *, struct xfs_inode *,
struct xfs_dquot *, struct xfs_dquot *, uint);
+typedef void (*xfs_dqstatvfs_t)(struct xfs_inode *, bhv_statvfs_t *);
+typedef int (*xfs_dqsync_t)(struct xfs_mount *, int flags);
+typedef int (*xfs_quotactl_t)(struct xfs_mount *, int, int, xfs_caddr_t);
typedef struct xfs_qmops {
xfs_qminit_t xfs_qminit;
@@ -157,42 +157,51 @@ typedef struct xfs_qmops {
xfs_dqvoprename_t xfs_dqvoprename;
xfs_dqvopchown_t xfs_dqvopchown;
xfs_dqvopchownresv_t xfs_dqvopchownresv;
+ xfs_dqstatvfs_t xfs_dqstatvfs;
+ xfs_dqsync_t xfs_dqsync;
+ xfs_quotactl_t xfs_quotactl;
struct xfs_dqtrxops *xfs_dqtrxops;
} xfs_qmops_t;
#define XFS_QM_INIT(mp, mnt, fl) \
- (*(mp)->m_qm_ops.xfs_qminit)(mp, mnt, fl)
+ (*(mp)->m_qm_ops->xfs_qminit)(mp, mnt, fl)
#define XFS_QM_MOUNT(mp, mnt, fl, mfsi_flags) \
- (*(mp)->m_qm_ops.xfs_qmmount)(mp, mnt, fl, mfsi_flags)
+ (*(mp)->m_qm_ops->xfs_qmmount)(mp, mnt, fl, mfsi_flags)
#define XFS_QM_UNMOUNT(mp) \
- (*(mp)->m_qm_ops.xfs_qmunmount)(mp)
+ (*(mp)->m_qm_ops->xfs_qmunmount)(mp)
#define XFS_QM_DONE(mp) \
- (*(mp)->m_qm_ops.xfs_qmdone)(mp)
+ (*(mp)->m_qm_ops->xfs_qmdone)(mp)
#define XFS_QM_DQRELE(mp, dq) \
- (*(mp)->m_qm_ops.xfs_dqrele)(dq)
+ (*(mp)->m_qm_ops->xfs_dqrele)(dq)
#define XFS_QM_DQATTACH(mp, ip, fl) \
- (*(mp)->m_qm_ops.xfs_dqattach)(ip, fl)
+ (*(mp)->m_qm_ops->xfs_dqattach)(ip, fl)
#define XFS_QM_DQDETACH(mp, ip) \
- (*(mp)->m_qm_ops.xfs_dqdetach)(ip)
+ (*(mp)->m_qm_ops->xfs_dqdetach)(ip)
#define XFS_QM_DQPURGEALL(mp, fl) \
- (*(mp)->m_qm_ops.xfs_dqpurgeall)(mp, fl)
+ (*(mp)->m_qm_ops->xfs_dqpurgeall)(mp, fl)
#define XFS_QM_DQVOPALLOC(mp, ip, uid, gid, prid, fl, dq1, dq2) \
- (*(mp)->m_qm_ops.xfs_dqvopalloc)(mp, ip, uid, gid, prid, fl, dq1, dq2)
+ (*(mp)->m_qm_ops->xfs_dqvopalloc)(mp, ip, uid, gid, prid, fl, dq1, dq2)
#define XFS_QM_DQVOPCREATE(mp, tp, ip, dq1, dq2) \
- (*(mp)->m_qm_ops.xfs_dqvopcreate)(tp, ip, dq1, dq2)
+ (*(mp)->m_qm_ops->xfs_dqvopcreate)(tp, ip, dq1, dq2)
#define XFS_QM_DQVOPRENAME(mp, ip) \
- (*(mp)->m_qm_ops.xfs_dqvoprename)(ip)
+ (*(mp)->m_qm_ops->xfs_dqvoprename)(ip)
#define XFS_QM_DQVOPCHOWN(mp, tp, ip, dqp, dq) \
- (*(mp)->m_qm_ops.xfs_dqvopchown)(tp, ip, dqp, dq)
+ (*(mp)->m_qm_ops->xfs_dqvopchown)(tp, ip, dqp, dq)
#define XFS_QM_DQVOPCHOWNRESV(mp, tp, ip, dq1, dq2, fl) \
- (*(mp)->m_qm_ops.xfs_dqvopchownresv)(tp, ip, dq1, dq2, fl)
+ (*(mp)->m_qm_ops->xfs_dqvopchownresv)(tp, ip, dq1, dq2, fl)
+#define XFS_QM_DQSTATVFS(ip, statp) \
+ (*(ip)->i_mount->m_qm_ops->xfs_dqstatvfs)(ip, statp)
+#define XFS_QM_DQSYNC(mp, flags) \
+ (*(mp)->m_qm_ops->xfs_dqsync)(mp, flags)
+#define XFS_QM_QUOTACTL(mp, cmd, id, addr) \
+ (*(mp)->m_qm_ops->xfs_quotactl)(mp, cmd, id, addr)
/*
* Prototypes and functions for I/O core modularization.
*/
-typedef int (*xfs_ioinit_t)(struct bhv_vfs *,
+typedef int (*xfs_ioinit_t)(struct xfs_mount *,
struct xfs_mount_args *, int);
typedef int (*xfs_bmapi_t)(struct xfs_trans *, void *,
xfs_fileoff_t, xfs_filblks_t, int,
@@ -222,7 +231,7 @@ typedef void (*xfs_lock_demote_t)(void *, uint);
typedef int (*xfs_lock_nowait_t)(void *, uint);
typedef void (*xfs_unlk_t)(void *, unsigned int);
typedef xfs_fsize_t (*xfs_size_t)(void *);
-typedef xfs_fsize_t (*xfs_iodone_t)(struct bhv_vfs *);
+typedef xfs_fsize_t (*xfs_iodone_t)(struct xfs_mount *);
typedef int (*xfs_swap_extents_t)(void *, void *,
struct xfs_swapext*);
@@ -245,8 +254,8 @@ typedef struct xfs_ioops {
xfs_swap_extents_t xfs_swap_extents_func;
} xfs_ioops_t;
-#define XFS_IOINIT(vfsp, args, flags) \
- (*(mp)->m_io_ops.xfs_ioinit)(vfsp, args, flags)
+#define XFS_IOINIT(mp, args, flags) \
+ (*(mp)->m_io_ops.xfs_ioinit)(mp, args, flags)
#define XFS_BMAPI(mp, trans,io,bno,len,f,first,tot,mval,nmap,flist,delta) \
(*(mp)->m_io_ops.xfs_bmapi_func) \
(trans,(io)->io_obj,bno,len,f,first,tot,mval,nmap,flist,delta)
@@ -280,8 +289,8 @@ typedef struct xfs_ioops {
(*(mp)->m_io_ops.xfs_ilock_demote)((io)->io_obj, mode)
#define XFS_SIZE(mp, io) \
(*(mp)->m_io_ops.xfs_size_func)((io)->io_obj)
-#define XFS_IODONE(vfsp) \
- (*(mp)->m_io_ops.xfs_iodone)(vfsp)
+#define XFS_IODONE(mp) \
+ (*(mp)->m_io_ops.xfs_iodone)(mp)
#define XFS_SWAP_EXTENTS(mp, io, tio, sxp) \
(*(mp)->m_io_ops.xfs_swap_extents_func) \
((io)->io_obj, (tio)->io_obj, sxp)
@@ -318,7 +327,7 @@ extern void xfs_icsb_sync_counters_flags(struct xfs_mount *, int);
#endif
typedef struct xfs_mount {
- bhv_desc_t m_bhv; /* vfs xfs behavior */
+ struct super_block *m_super;
xfs_tid_t m_tid; /* next unused tid for fs */
AIL_LOCK_T m_ail_lock; /* fs AIL mutex */
xfs_ail_entry_t m_ail; /* fs active log item list */
@@ -335,8 +344,6 @@ typedef struct xfs_mount {
xfs_agnumber_t m_agirotor; /* last ag dir inode alloced */
lock_t m_agirotor_lock;/* .. and lock protecting it */
xfs_agnumber_t m_maxagi; /* highest inode alloc group */
- size_t m_ihsize; /* size of next field */
- struct xfs_ihash *m_ihash; /* fs private inode hash table*/
struct xfs_inode *m_inodes; /* active inode list */
struct list_head m_del_inodes; /* inodes to reclaim */
mutex_t m_ilock; /* inode list mutex */
@@ -362,7 +369,6 @@ typedef struct xfs_mount {
__uint8_t m_blkbb_log; /* blocklog - BBSHIFT */
__uint8_t m_agno_log; /* log #ag's */
__uint8_t m_agino_log; /* #bits for agino in inum */
- __uint8_t m_nreadaheads; /* #readahead buffers */
__uint16_t m_inode_cluster_size;/* min inode buf size */
uint m_blockmask; /* sb_blocksize-1 */
uint m_blockwsize; /* sb_blocksize in words */
@@ -378,7 +384,7 @@ typedef struct xfs_mount {
uint m_in_maxlevels; /* XFS_IN_MAXLEVELS */
struct xfs_perag *m_perag; /* per-ag accounting info */
struct rw_semaphore m_peraglock; /* lock for m_perag (pointer) */
- sema_t m_growlock; /* growfs mutex */
+ struct mutex m_growlock; /* growfs mutex */
int m_fixedfsid[2]; /* unchanged for life of FS */
uint m_dmevmask; /* DMI events for this FS */
__uint64_t m_flags; /* global mount flags */
@@ -415,8 +421,8 @@ typedef struct xfs_mount {
uint m_chsize; /* size of next field */
struct xfs_chash *m_chash; /* fs private inode per-cluster
* hash table */
- struct xfs_dmops m_dm_ops; /* vector of DMI ops */
- struct xfs_qmops m_qm_ops; /* vector of XQM ops */
+ struct xfs_dmops *m_dm_ops; /* vector of DMI ops */
+ struct xfs_qmops *m_qm_ops; /* vector of XQM ops */
struct xfs_ioops m_io_ops; /* vector of I/O ops */
atomic_t m_active_trans; /* number trans frozen */
#ifdef HAVE_PERCPU_SB
@@ -426,6 +432,12 @@ typedef struct xfs_mount {
struct mutex m_icsb_mutex; /* balancer sync lock */
#endif
struct xfs_mru_cache *m_filestream; /* per-mount filestream data */
+ struct task_struct *m_sync_task; /* generalised sync thread */
+ bhv_vfs_sync_work_t m_sync_work; /* work item for VFS_SYNC */
+ struct list_head m_sync_list; /* sync thread work item list */
+ spinlock_t m_sync_lock; /* work item list lock */
+ int m_sync_seq; /* sync thread generation no. */
+ wait_queue_head_t m_wait_single_sync_task;
} xfs_mount_t;
/*
@@ -435,7 +447,7 @@ typedef struct xfs_mount {
must be synchronous except
for space allocations */
#define XFS_MOUNT_INO64 (1ULL << 1)
- /* (1ULL << 2) -- currently unused */
+#define XFS_MOUNT_DMAPI (1ULL << 2) /* dmapi is enabled */
#define XFS_MOUNT_WAS_CLEAN (1ULL << 3)
#define XFS_MOUNT_FS_SHUTDOWN (1ULL << 4) /* atomic stop of all filesystem
operations, typically for
@@ -445,7 +457,7 @@ typedef struct xfs_mount {
#define XFS_MOUNT_NOALIGN (1ULL << 7) /* turn off stripe alignment
allocations */
#define XFS_MOUNT_ATTR2 (1ULL << 8) /* allow use of attr2 format */
- /* (1ULL << 9) -- currently unused */
+#define XFS_MOUNT_GRPID (1ULL << 9) /* group-ID assigned from directory */
#define XFS_MOUNT_NORECOVERY (1ULL << 10) /* no recovery - dirty fs */
#define XFS_MOUNT_SHARED (1ULL << 11) /* shared mount */
#define XFS_MOUNT_DFLT_IOSIZE (1ULL << 12) /* set default i/o size */
@@ -453,13 +465,13 @@ typedef struct xfs_mount {
/* osyncisdsync is now default*/
#define XFS_MOUNT_32BITINODES (1ULL << 14) /* do not create inodes above
* 32 bits in size */
- /* (1ULL << 15) -- currently unused */
+#define XFS_MOUNT_SMALL_INUMS (1ULL << 15) /* users wants 32bit inodes */
#define XFS_MOUNT_NOUUID (1ULL << 16) /* ignore uuid during mount */
#define XFS_MOUNT_BARRIER (1ULL << 17)
#define XFS_MOUNT_IDELETE (1ULL << 18) /* delete empty inode clusters*/
#define XFS_MOUNT_SWALLOC (1ULL << 19) /* turn on stripe width
* allocation */
-#define XFS_MOUNT_IHASHSIZE (1ULL << 20) /* inode hash table size */
+#define XFS_MOUNT_RDONLY (1ULL << 20) /* read-only fs */
#define XFS_MOUNT_DIRSYNC (1ULL << 21) /* synchronous directory ops */
#define XFS_MOUNT_COMPAT_IOSIZE (1ULL << 22) /* don't report large preferred
* I/O size in stat() */
@@ -518,8 +530,10 @@ xfs_preferred_iosize(xfs_mount_t *mp)
#define XFS_LAST_UNMOUNT_WAS_CLEAN(mp) \
((mp)->m_flags & XFS_MOUNT_WAS_CLEAN)
#define XFS_FORCED_SHUTDOWN(mp) ((mp)->m_flags & XFS_MOUNT_FS_SHUTDOWN)
+void xfs_do_force_shutdown(struct xfs_mount *mp, int flags, char *fname,
+ int lnnum);
#define xfs_force_shutdown(m,f) \
- bhv_vfs_force_shutdown((XFS_MTOVFS(m)), f, __FILE__, __LINE__)
+ xfs_do_force_shutdown(m, f, __FILE__, __LINE__)
/*
* Flags for xfs_mountfs
@@ -533,28 +547,6 @@ xfs_preferred_iosize(xfs_mount_t *mp)
/* XFS_MFSI_CONVERT_SUNIT */
#define XFS_MFSI_QUIET 0x40 /* Be silent if mount errors found */
-/*
- * Macros for getting from mount to vfs and back.
- */
-#define XFS_MTOVFS(mp) xfs_mtovfs(mp)
-static inline struct bhv_vfs *xfs_mtovfs(xfs_mount_t *mp)
-{
- return bhvtovfs(&mp->m_bhv);
-}
-
-#define XFS_BHVTOM(bdp) xfs_bhvtom(bdp)
-static inline xfs_mount_t *xfs_bhvtom(bhv_desc_t *bdp)
-{
- return (xfs_mount_t *)BHV_PDATA(bdp);
-}
-
-#define XFS_VFSTOM(vfs) xfs_vfstom(vfs)
-static inline xfs_mount_t *xfs_vfstom(bhv_vfs_t *vfs)
-{
- return XFS_BHVTOM(bhv_lookup_range(VFS_BHVHEAD(vfs),
- VFS_POSITION_XFS, VFS_POSITION_XFS));
-}
-
#define XFS_DADDR_TO_AGNO(mp,d) xfs_daddr_to_agno(mp,d)
static inline xfs_agnumber_t
xfs_daddr_to_agno(struct xfs_mount *mp, xfs_daddr_t d)
@@ -573,6 +565,21 @@ xfs_daddr_to_agbno(struct xfs_mount *mp, xfs_daddr_t d)
}
/*
+ * perag get/put wrappers for eventual ref counting
+ */
+static inline xfs_perag_t *
+xfs_get_perag(struct xfs_mount *mp, xfs_ino_t ino)
+{
+ return &mp->m_perag[XFS_INO_TO_AGNO(mp, ino)];
+}
+
+static inline void
+xfs_put_perag(struct xfs_mount *mp, xfs_perag_t *pag)
+{
+ /* nothing to see here, move along */
+}
+
+/*
* Per-cpu superblock locking functions
*/
#ifdef HAVE_PERCPU_SB
@@ -609,8 +616,8 @@ typedef struct xfs_mod_sb {
extern xfs_mount_t *xfs_mount_init(void);
extern void xfs_mod_sb(xfs_trans_t *, __int64_t);
extern int xfs_log_sbcount(xfs_mount_t *, uint);
-extern void xfs_mount_free(xfs_mount_t *mp, int remove_bhv);
-extern int xfs_mountfs(struct bhv_vfs *, xfs_mount_t *mp, int);
+extern void xfs_mount_free(xfs_mount_t *mp);
+extern int xfs_mountfs(xfs_mount_t *mp, int);
extern void xfs_mountfs_check_barriers(xfs_mount_t *mp);
extern int xfs_unmountfs(xfs_mount_t *, struct cred *);
@@ -626,16 +633,19 @@ extern struct xfs_buf *xfs_getsb(xfs_mount_t *, int);
extern int xfs_readsb(xfs_mount_t *, int);
extern void xfs_freesb(xfs_mount_t *);
extern int xfs_fs_writable(xfs_mount_t *);
-extern void xfs_do_force_shutdown(bhv_desc_t *, int, char *, int);
extern int xfs_syncsub(xfs_mount_t *, int, int *);
extern int xfs_sync_inodes(xfs_mount_t *, int, int *);
-extern xfs_agnumber_t xfs_initialize_perag(struct bhv_vfs *, xfs_mount_t *,
- xfs_agnumber_t);
-extern void xfs_xlatesb(void *, struct xfs_sb *, int, __int64_t);
+extern xfs_agnumber_t xfs_initialize_perag(xfs_mount_t *, xfs_agnumber_t);
+extern void xfs_sb_from_disk(struct xfs_sb *, struct xfs_dsb *);
+extern void xfs_sb_to_disk(struct xfs_dsb *, struct xfs_sb *, __int64_t);
extern int xfs_sb_validate_fsb_count(struct xfs_sb *, __uint64_t);
-extern struct xfs_dmops xfs_dmcore_stub;
-extern struct xfs_qmops xfs_qmcore_stub;
+extern int xfs_dmops_get(struct xfs_mount *, struct xfs_mount_args *);
+extern void xfs_dmops_put(struct xfs_mount *);
+extern int xfs_qmops_get(struct xfs_mount *, struct xfs_mount_args *);
+extern void xfs_qmops_put(struct xfs_mount *);
+
+extern struct xfs_dmops xfs_dmcore_xfs;
extern struct xfs_ioops xfs_iocore_xfs;
extern int xfs_init(void);
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-17 23:04:18 +0000