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Diffstat (limited to 'fs/xfs/xfs_buf.h')
-rw-r--r--fs/xfs/xfs_buf.h11
1 files changed, 7 insertions, 4 deletions
diff --git a/fs/xfs/xfs_buf.h b/fs/xfs/xfs_buf.h
index e65683361017..1cf21a4a9f22 100644
--- a/fs/xfs/xfs_buf.h
+++ b/fs/xfs/xfs_buf.h
@@ -45,6 +45,7 @@ typedef enum {
45#define XBF_ASYNC (1 << 4) /* initiator will not wait for completion */ 45#define XBF_ASYNC (1 << 4) /* initiator will not wait for completion */
46#define XBF_DONE (1 << 5) /* all pages in the buffer uptodate */ 46#define XBF_DONE (1 << 5) /* all pages in the buffer uptodate */
47#define XBF_STALE (1 << 6) /* buffer has been staled, do not find it */ 47#define XBF_STALE (1 << 6) /* buffer has been staled, do not find it */
48#define XBF_WRITE_FAIL (1 << 24)/* async writes have failed on this buffer */
48 49
49/* I/O hints for the BIO layer */ 50/* I/O hints for the BIO layer */
50#define XBF_SYNCIO (1 << 10)/* treat this buffer as synchronous I/O */ 51#define XBF_SYNCIO (1 << 10)/* treat this buffer as synchronous I/O */
@@ -70,6 +71,7 @@ typedef unsigned int xfs_buf_flags_t;
70 { XBF_ASYNC, "ASYNC" }, \ 71 { XBF_ASYNC, "ASYNC" }, \
71 { XBF_DONE, "DONE" }, \ 72 { XBF_DONE, "DONE" }, \
72 { XBF_STALE, "STALE" }, \ 73 { XBF_STALE, "STALE" }, \
74 { XBF_WRITE_FAIL, "WRITE_FAIL" }, \
73 { XBF_SYNCIO, "SYNCIO" }, \ 75 { XBF_SYNCIO, "SYNCIO" }, \
74 { XBF_FUA, "FUA" }, \ 76 { XBF_FUA, "FUA" }, \
75 { XBF_FLUSH, "FLUSH" }, \ 77 { XBF_FLUSH, "FLUSH" }, \
@@ -80,6 +82,7 @@ typedef unsigned int xfs_buf_flags_t;
80 { _XBF_DELWRI_Q, "DELWRI_Q" }, \ 82 { _XBF_DELWRI_Q, "DELWRI_Q" }, \
81 { _XBF_COMPOUND, "COMPOUND" } 83 { _XBF_COMPOUND, "COMPOUND" }
82 84
85
83/* 86/*
84 * Internal state flags. 87 * Internal state flags.
85 */ 88 */
@@ -269,9 +272,6 @@ extern void xfs_buf_unlock(xfs_buf_t *);
269 272
270/* Buffer Read and Write Routines */ 273/* Buffer Read and Write Routines */
271extern int xfs_bwrite(struct xfs_buf *bp); 274extern int xfs_bwrite(struct xfs_buf *bp);
272
273extern void xfsbdstrat(struct xfs_mount *, struct xfs_buf *);
274
275extern void xfs_buf_ioend(xfs_buf_t *, int); 275extern void xfs_buf_ioend(xfs_buf_t *, int);
276extern void xfs_buf_ioerror(xfs_buf_t *, int); 276extern void xfs_buf_ioerror(xfs_buf_t *, int);
277extern void xfs_buf_ioerror_alert(struct xfs_buf *, const char *func); 277extern void xfs_buf_ioerror_alert(struct xfs_buf *, const char *func);
@@ -282,6 +282,8 @@ extern void xfs_buf_iomove(xfs_buf_t *, size_t, size_t, void *,
282#define xfs_buf_zero(bp, off, len) \ 282#define xfs_buf_zero(bp, off, len) \
283 xfs_buf_iomove((bp), (off), (len), NULL, XBRW_ZERO) 283 xfs_buf_iomove((bp), (off), (len), NULL, XBRW_ZERO)
284 284
285extern int xfs_bioerror_relse(struct xfs_buf *);
286
285static inline int xfs_buf_geterror(xfs_buf_t *bp) 287static inline int xfs_buf_geterror(xfs_buf_t *bp)
286{ 288{
287 return bp ? bp->b_error : ENOMEM; 289 return bp ? bp->b_error : ENOMEM;
@@ -301,7 +303,8 @@ extern void xfs_buf_terminate(void);
301 303
302#define XFS_BUF_ZEROFLAGS(bp) \ 304#define XFS_BUF_ZEROFLAGS(bp) \
303 ((bp)->b_flags &= ~(XBF_READ|XBF_WRITE|XBF_ASYNC| \ 305 ((bp)->b_flags &= ~(XBF_READ|XBF_WRITE|XBF_ASYNC| \
304 XBF_SYNCIO|XBF_FUA|XBF_FLUSH)) 306 XBF_SYNCIO|XBF_FUA|XBF_FLUSH| \
307 XBF_WRITE_FAIL))
305 308
306void xfs_buf_stale(struct xfs_buf *bp); 309void xfs_buf_stale(struct xfs_buf *bp);
307#define XFS_BUF_UNSTALE(bp) ((bp)->b_flags &= ~XBF_STALE) 310#define XFS_BUF_UNSTALE(bp) ((bp)->b_flags &= ~XBF_STALE)