diff options
Diffstat (limited to 'fs/xfs/xfs_buf.h')
| -rw-r--r-- | fs/xfs/xfs_buf.h | 51 |
1 files changed, 11 insertions, 40 deletions
diff --git a/fs/xfs/xfs_buf.h b/fs/xfs/xfs_buf.h index 620972b8094d..5bab046e859f 100644 --- a/fs/xfs/xfs_buf.h +++ b/fs/xfs/xfs_buf.h @@ -105,8 +105,8 @@ typedef struct xfs_buftarg { /* per device delwri queue */ struct task_struct *bt_task; - struct list_head bt_delwrite_queue; - spinlock_t bt_delwrite_lock; + struct list_head bt_delwri_queue; + spinlock_t bt_delwri_lock; unsigned long bt_flags; /* LRU control structures */ @@ -175,7 +175,8 @@ extern xfs_buf_t *xfs_buf_get(xfs_buftarg_t *, xfs_off_t, size_t, extern xfs_buf_t *xfs_buf_read(xfs_buftarg_t *, xfs_off_t, size_t, xfs_buf_flags_t); -extern xfs_buf_t *xfs_buf_get_empty(size_t, xfs_buftarg_t *); +struct xfs_buf *xfs_buf_alloc(struct xfs_buftarg *, xfs_off_t, size_t, + xfs_buf_flags_t); extern void xfs_buf_set_empty(struct xfs_buf *bp, size_t len); extern xfs_buf_t *xfs_buf_get_uncached(struct xfs_buftarg *, size_t, int); extern int xfs_buf_associate_memory(xfs_buf_t *, void *, size_t); @@ -197,14 +198,14 @@ extern void xfs_buf_unlock(xfs_buf_t *); ((bp)->b_sema.count <= 0) /* Buffer Read and Write Routines */ -extern int xfs_bwrite(struct xfs_mount *mp, struct xfs_buf *bp); -extern void xfs_bdwrite(void *mp, xfs_buf_t *bp); +extern int xfs_bwrite(struct xfs_buf *bp); extern void xfsbdstrat(struct xfs_mount *, struct xfs_buf *); extern int xfs_bdstrat_cb(struct xfs_buf *); extern void xfs_buf_ioend(xfs_buf_t *, int); extern void xfs_buf_ioerror(xfs_buf_t *, int); +extern void xfs_buf_ioerror_alert(struct xfs_buf *, const char *func); extern int xfs_buf_iorequest(xfs_buf_t *); extern int xfs_buf_iowait(xfs_buf_t *); extern void xfs_buf_iomove(xfs_buf_t *, size_t, size_t, void *, @@ -221,38 +222,22 @@ static inline int xfs_buf_geterror(xfs_buf_t *bp) extern xfs_caddr_t xfs_buf_offset(xfs_buf_t *, size_t); /* Delayed Write Buffer Routines */ -extern void xfs_buf_delwri_dequeue(xfs_buf_t *); -extern void xfs_buf_delwri_promote(xfs_buf_t *); +extern void xfs_buf_delwri_queue(struct xfs_buf *); +extern void xfs_buf_delwri_dequeue(struct xfs_buf *); +extern void xfs_buf_delwri_promote(struct xfs_buf *); /* Buffer Daemon Setup Routines */ extern int xfs_buf_init(void); extern void xfs_buf_terminate(void); -static inline const char * -xfs_buf_target_name(struct xfs_buftarg *target) -{ - static char __b[BDEVNAME_SIZE]; - - return bdevname(target->bt_bdev, __b); -} - - #define XFS_BUF_ZEROFLAGS(bp) \ ((bp)->b_flags &= ~(XBF_READ|XBF_WRITE|XBF_ASYNC|XBF_DELWRI| \ XBF_SYNCIO|XBF_FUA|XBF_FLUSH)) void xfs_buf_stale(struct xfs_buf *bp); -#define XFS_BUF_STALE(bp) xfs_buf_stale(bp); #define XFS_BUF_UNSTALE(bp) ((bp)->b_flags &= ~XBF_STALE) #define XFS_BUF_ISSTALE(bp) ((bp)->b_flags & XBF_STALE) -#define XFS_BUF_SUPER_STALE(bp) do { \ - XFS_BUF_STALE(bp); \ - xfs_buf_delwri_dequeue(bp); \ - XFS_BUF_DONE(bp); \ - } while (0) - -#define XFS_BUF_DELAYWRITE(bp) ((bp)->b_flags |= XBF_DELWRI) -#define XFS_BUF_UNDELAYWRITE(bp) xfs_buf_delwri_dequeue(bp) + #define XFS_BUF_ISDELAYWRITE(bp) ((bp)->b_flags & XBF_DELWRI) #define XFS_BUF_DONE(bp) ((bp)->b_flags |= XBF_DONE) @@ -280,23 +265,16 @@ void xfs_buf_stale(struct xfs_buf *bp); #define XFS_BUF_SIZE(bp) ((bp)->b_buffer_length) #define XFS_BUF_SET_SIZE(bp, cnt) ((bp)->b_buffer_length = (cnt)) -static inline void -xfs_buf_set_ref( - struct xfs_buf *bp, - int lru_ref) +static inline void xfs_buf_set_ref(struct xfs_buf *bp, int lru_ref) { atomic_set(&bp->b_lru_ref, lru_ref); } -#define XFS_BUF_SET_VTYPE_REF(bp, type, ref) xfs_buf_set_ref(bp, ref) -#define XFS_BUF_SET_VTYPE(bp, type) do { } while (0) static inline int xfs_buf_ispinned(struct xfs_buf *bp) { return atomic_read(&bp->b_pin_count); } -#define XFS_BUF_FINISH_IOWAIT(bp) complete(&bp->b_iowait); - static inline void xfs_buf_relse(xfs_buf_t *bp) { xfs_buf_unlock(bp); @@ -313,14 +291,7 @@ extern void xfs_wait_buftarg(xfs_buftarg_t *); extern int xfs_setsize_buftarg(xfs_buftarg_t *, unsigned int, unsigned int); extern int xfs_flush_buftarg(xfs_buftarg_t *, int); -#ifdef CONFIG_KDB_MODULES -extern struct list_head *xfs_get_buftarg_list(void); -#endif - #define xfs_getsize_buftarg(buftarg) block_size((buftarg)->bt_bdev) #define xfs_readonly_buftarg(buftarg) bdev_read_only((buftarg)->bt_bdev) -#define xfs_binval(buftarg) xfs_flush_buftarg(buftarg, 1) -#define XFS_bflush(buftarg) xfs_flush_buftarg(buftarg, 1) - #endif /* __XFS_BUF_H__ */ |