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authorLinus Torvalds <torvalds@linux-foundation.org>2011-08-12 23:43:01 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2011-08-12 23:43:01 -0400
commite68ff9cd15552e46e0f993eace25af0947b1222d (patch)
tree28873106aa1c88963a13b34a4bc209875763a4e4 /fs/xfs/linux-2.6/xfs_buf.h
parentc44efbaa0ef3cf53fbf6bb57c33d4f199b15f2da (diff)
parente570280521290c27621d60cffea2400bdf1f2c88 (diff)
Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs
* 'for-linus' of git://oss.sgi.com/xfs/xfs: xfs: replace xfs_buf_geterror() with bp->b_error xfs: Check the return value of xfs_buf_read() for NULL "xfs: fix error handling for synchronous writes" revisited xfs: set cursor in xfs_ail_splice() even when AIL was empty xfs: Remove the macro XFS_BUFTARG_NAME xfs: Remove the macro XFS_BUF_TARGET xfs: Remove the macro XFS_BUF_SET_TARGET Replace the macro XFS_BUF_ISPINNED with helper xfs_buf_ispinned xfs: Remove the macro XFS_BUF_SET_PTR xfs: Remove the macro XFS_BUF_PTR xfs: Remove macro XFS_BUF_SET_START xfs: Remove macro XFS_BUF_HOLD xfs: Remove macro XFS_BUF_BUSY and family xfs: Remove the macro XFS_BUF_ERROR and family xfs: Remove the macro XFS_BUF_BFLAGS
Diffstat (limited to 'fs/xfs/linux-2.6/xfs_buf.h')
-rw-r--r--fs/xfs/linux-2.6/xfs_buf.h32
1 files changed, 11 insertions, 21 deletions
diff --git a/fs/xfs/linux-2.6/xfs_buf.h b/fs/xfs/linux-2.6/xfs_buf.h
index 6a83b46b4bcf..620972b8094d 100644
--- a/fs/xfs/linux-2.6/xfs_buf.h
+++ b/fs/xfs/linux-2.6/xfs_buf.h
@@ -228,11 +228,15 @@ extern void xfs_buf_delwri_promote(xfs_buf_t *);
228extern int xfs_buf_init(void); 228extern int xfs_buf_init(void);
229extern void xfs_buf_terminate(void); 229extern void xfs_buf_terminate(void);
230 230
231#define xfs_buf_target_name(target) \ 231static inline const char *
232 ({ char __b[BDEVNAME_SIZE]; bdevname((target)->bt_bdev, __b); __b; }) 232xfs_buf_target_name(struct xfs_buftarg *target)
233{
234 static char __b[BDEVNAME_SIZE];
235
236 return bdevname(target->bt_bdev, __b);
237}
233 238
234 239
235#define XFS_BUF_BFLAGS(bp) ((bp)->b_flags)
236#define XFS_BUF_ZEROFLAGS(bp) \ 240#define XFS_BUF_ZEROFLAGS(bp) \
237 ((bp)->b_flags &= ~(XBF_READ|XBF_WRITE|XBF_ASYNC|XBF_DELWRI| \ 241 ((bp)->b_flags &= ~(XBF_READ|XBF_WRITE|XBF_ASYNC|XBF_DELWRI| \
238 XBF_SYNCIO|XBF_FUA|XBF_FLUSH)) 242 XBF_SYNCIO|XBF_FUA|XBF_FLUSH))
@@ -251,23 +255,14 @@ void xfs_buf_stale(struct xfs_buf *bp);
251#define XFS_BUF_UNDELAYWRITE(bp) xfs_buf_delwri_dequeue(bp) 255#define XFS_BUF_UNDELAYWRITE(bp) xfs_buf_delwri_dequeue(bp)
252#define XFS_BUF_ISDELAYWRITE(bp) ((bp)->b_flags & XBF_DELWRI) 256#define XFS_BUF_ISDELAYWRITE(bp) ((bp)->b_flags & XBF_DELWRI)
253 257
254#define XFS_BUF_ERROR(bp,no) xfs_buf_ioerror(bp,no)
255#define XFS_BUF_GETERROR(bp) xfs_buf_geterror(bp)
256#define XFS_BUF_ISERROR(bp) (xfs_buf_geterror(bp) ? 1 : 0)
257
258#define XFS_BUF_DONE(bp) ((bp)->b_flags |= XBF_DONE) 258#define XFS_BUF_DONE(bp) ((bp)->b_flags |= XBF_DONE)
259#define XFS_BUF_UNDONE(bp) ((bp)->b_flags &= ~XBF_DONE) 259#define XFS_BUF_UNDONE(bp) ((bp)->b_flags &= ~XBF_DONE)
260#define XFS_BUF_ISDONE(bp) ((bp)->b_flags & XBF_DONE) 260#define XFS_BUF_ISDONE(bp) ((bp)->b_flags & XBF_DONE)
261 261
262#define XFS_BUF_BUSY(bp) do { } while (0)
263#define XFS_BUF_UNBUSY(bp) do { } while (0)
264#define XFS_BUF_ISBUSY(bp) (1)
265
266#define XFS_BUF_ASYNC(bp) ((bp)->b_flags |= XBF_ASYNC) 262#define XFS_BUF_ASYNC(bp) ((bp)->b_flags |= XBF_ASYNC)
267#define XFS_BUF_UNASYNC(bp) ((bp)->b_flags &= ~XBF_ASYNC) 263#define XFS_BUF_UNASYNC(bp) ((bp)->b_flags &= ~XBF_ASYNC)
268#define XFS_BUF_ISASYNC(bp) ((bp)->b_flags & XBF_ASYNC) 264#define XFS_BUF_ISASYNC(bp) ((bp)->b_flags & XBF_ASYNC)
269 265
270#define XFS_BUF_HOLD(bp) xfs_buf_hold(bp)
271#define XFS_BUF_READ(bp) ((bp)->b_flags |= XBF_READ) 266#define XFS_BUF_READ(bp) ((bp)->b_flags |= XBF_READ)
272#define XFS_BUF_UNREAD(bp) ((bp)->b_flags &= ~XBF_READ) 267#define XFS_BUF_UNREAD(bp) ((bp)->b_flags &= ~XBF_READ)
273#define XFS_BUF_ISREAD(bp) ((bp)->b_flags & XBF_READ) 268#define XFS_BUF_ISREAD(bp) ((bp)->b_flags & XBF_READ)
@@ -276,10 +271,6 @@ void xfs_buf_stale(struct xfs_buf *bp);
276#define XFS_BUF_UNWRITE(bp) ((bp)->b_flags &= ~XBF_WRITE) 271#define XFS_BUF_UNWRITE(bp) ((bp)->b_flags &= ~XBF_WRITE)
277#define XFS_BUF_ISWRITE(bp) ((bp)->b_flags & XBF_WRITE) 272#define XFS_BUF_ISWRITE(bp) ((bp)->b_flags & XBF_WRITE)
278 273
279#define XFS_BUF_SET_START(bp) do { } while (0)
280
281#define XFS_BUF_PTR(bp) (xfs_caddr_t)((bp)->b_addr)
282#define XFS_BUF_SET_PTR(bp, val, cnt) xfs_buf_associate_memory(bp, val, cnt)
283#define XFS_BUF_ADDR(bp) ((bp)->b_bn) 274#define XFS_BUF_ADDR(bp) ((bp)->b_bn)
284#define XFS_BUF_SET_ADDR(bp, bno) ((bp)->b_bn = (xfs_daddr_t)(bno)) 275#define XFS_BUF_SET_ADDR(bp, bno) ((bp)->b_bn = (xfs_daddr_t)(bno))
285#define XFS_BUF_OFFSET(bp) ((bp)->b_file_offset) 276#define XFS_BUF_OFFSET(bp) ((bp)->b_file_offset)
@@ -299,14 +290,13 @@ xfs_buf_set_ref(
299#define XFS_BUF_SET_VTYPE_REF(bp, type, ref) xfs_buf_set_ref(bp, ref) 290#define XFS_BUF_SET_VTYPE_REF(bp, type, ref) xfs_buf_set_ref(bp, ref)
300#define XFS_BUF_SET_VTYPE(bp, type) do { } while (0) 291#define XFS_BUF_SET_VTYPE(bp, type) do { } while (0)
301 292
302#define XFS_BUF_ISPINNED(bp) atomic_read(&((bp)->b_pin_count)) 293static inline int xfs_buf_ispinned(struct xfs_buf *bp)
294{
295 return atomic_read(&bp->b_pin_count);
296}
303 297
304#define XFS_BUF_FINISH_IOWAIT(bp) complete(&bp->b_iowait); 298#define XFS_BUF_FINISH_IOWAIT(bp) complete(&bp->b_iowait);
305 299
306#define XFS_BUF_SET_TARGET(bp, target) ((bp)->b_target = (target))
307#define XFS_BUF_TARGET(bp) ((bp)->b_target)
308#define XFS_BUFTARG_NAME(target) xfs_buf_target_name(target)
309
310static inline void xfs_buf_relse(xfs_buf_t *bp) 300static inline void xfs_buf_relse(xfs_buf_t *bp)
311{ 301{
312 xfs_buf_unlock(bp); 302 xfs_buf_unlock(bp);