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authorChristoph Hellwig <hch@infradead.org>2010-10-06 14:41:18 -0400
committerAlex Elder <aelder@sgi.com>2010-10-18 16:08:07 -0400
commit1a1a3e97bad42e92cd2f32e81c396c8ee0bddb28 (patch)
tree6c8291164698decff609dfda60285a7d94c0a832 /fs/xfs/linux-2.6
parent6c77b0ea1bdf85dfd48c20ceb10fd215a95c66e2 (diff)
xfs: remove xfs_buf wrappers
Stop having two different names for many buffer functions and use the more descriptive xfs_buf_* names directly. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Alex Elder <aelder@sgi.com>
Diffstat (limited to 'fs/xfs/linux-2.6')
-rw-r--r--fs/xfs/linux-2.6/xfs_buf.c19
-rw-r--r--fs/xfs/linux-2.6/xfs_buf.h20
-rw-r--r--fs/xfs/linux-2.6/xfs_super.c2
3 files changed, 13 insertions, 28 deletions
diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index 749d7d39d657..47ef97f46fe9 100644
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -652,8 +652,7 @@ void
652xfs_buf_readahead( 652xfs_buf_readahead(
653 xfs_buftarg_t *target, 653 xfs_buftarg_t *target,
654 xfs_off_t ioff, 654 xfs_off_t ioff,
655 size_t isize, 655 size_t isize)
656 xfs_buf_flags_t flags)
657{ 656{
658 struct backing_dev_info *bdi; 657 struct backing_dev_info *bdi;
659 658
@@ -661,8 +660,8 @@ xfs_buf_readahead(
661 if (bdi_read_congested(bdi)) 660 if (bdi_read_congested(bdi))
662 return; 661 return;
663 662
664 flags |= (XBF_TRYLOCK|XBF_ASYNC|XBF_READ_AHEAD); 663 xfs_buf_read(target, ioff, isize,
665 xfs_buf_read(target, ioff, isize, flags); 664 XBF_TRYLOCK|XBF_ASYNC|XBF_READ_AHEAD|XBF_DONT_BLOCK);
666} 665}
667 666
668/* 667/*
@@ -691,7 +690,7 @@ xfs_buf_read_uncached(
691 XFS_BUF_BUSY(bp); 690 XFS_BUF_BUSY(bp);
692 691
693 xfsbdstrat(mp, bp); 692 xfsbdstrat(mp, bp);
694 error = xfs_iowait(bp); 693 error = xfs_buf_iowait(bp);
695 if (error || bp->b_error) { 694 if (error || bp->b_error) {
696 xfs_buf_relse(bp); 695 xfs_buf_relse(bp);
697 return NULL; 696 return NULL;
@@ -1073,7 +1072,7 @@ xfs_bdwrite(
1073 1072
1074/* 1073/*
1075 * Called when we want to stop a buffer from getting written or read. 1074 * Called when we want to stop a buffer from getting written or read.
1076 * We attach the EIO error, muck with its flags, and call biodone 1075 * We attach the EIO error, muck with its flags, and call xfs_buf_ioend
1077 * so that the proper iodone callbacks get called. 1076 * so that the proper iodone callbacks get called.
1078 */ 1077 */
1079STATIC int 1078STATIC int
@@ -1090,21 +1089,21 @@ xfs_bioerror(
1090 XFS_BUF_ERROR(bp, EIO); 1089 XFS_BUF_ERROR(bp, EIO);
1091 1090
1092 /* 1091 /*
1093 * We're calling biodone, so delete XBF_DONE flag. 1092 * We're calling xfs_buf_ioend, so delete XBF_DONE flag.
1094 */ 1093 */
1095 XFS_BUF_UNREAD(bp); 1094 XFS_BUF_UNREAD(bp);
1096 XFS_BUF_UNDELAYWRITE(bp); 1095 XFS_BUF_UNDELAYWRITE(bp);
1097 XFS_BUF_UNDONE(bp); 1096 XFS_BUF_UNDONE(bp);
1098 XFS_BUF_STALE(bp); 1097 XFS_BUF_STALE(bp);
1099 1098
1100 xfs_biodone(bp); 1099 xfs_buf_ioend(bp, 0);
1101 1100
1102 return EIO; 1101 return EIO;
1103} 1102}
1104 1103
1105/* 1104/*
1106 * Same as xfs_bioerror, except that we are releasing the buffer 1105 * Same as xfs_bioerror, except that we are releasing the buffer
1107 * here ourselves, and avoiding the biodone call. 1106 * here ourselves, and avoiding the xfs_buf_ioend call.
1108 * This is meant for userdata errors; metadata bufs come with 1107 * This is meant for userdata errors; metadata bufs come with
1109 * iodone functions attached, so that we can track down errors. 1108 * iodone functions attached, so that we can track down errors.
1110 */ 1109 */
@@ -1938,7 +1937,7 @@ xfs_flush_buftarg(
1938 bp = list_first_entry(&wait_list, struct xfs_buf, b_list); 1937 bp = list_first_entry(&wait_list, struct xfs_buf, b_list);
1939 1938
1940 list_del_init(&bp->b_list); 1939 list_del_init(&bp->b_list);
1941 xfs_iowait(bp); 1940 xfs_buf_iowait(bp);
1942 xfs_buf_relse(bp); 1941 xfs_buf_relse(bp);
1943 } 1942 }
1944 } 1943 }
diff --git a/fs/xfs/linux-2.6/xfs_buf.h b/fs/xfs/linux-2.6/xfs_buf.h
index 161333785f69..131c0ebf2c0d 100644
--- a/fs/xfs/linux-2.6/xfs_buf.h
+++ b/fs/xfs/linux-2.6/xfs_buf.h
@@ -218,8 +218,7 @@ extern xfs_buf_t *xfs_buf_get_empty(size_t, xfs_buftarg_t *);
218extern xfs_buf_t *xfs_buf_get_uncached(struct xfs_buftarg *, size_t, int); 218extern xfs_buf_t *xfs_buf_get_uncached(struct xfs_buftarg *, size_t, int);
219extern int xfs_buf_associate_memory(xfs_buf_t *, void *, size_t); 219extern int xfs_buf_associate_memory(xfs_buf_t *, void *, size_t);
220extern void xfs_buf_hold(xfs_buf_t *); 220extern void xfs_buf_hold(xfs_buf_t *);
221extern void xfs_buf_readahead(xfs_buftarg_t *, xfs_off_t, size_t, 221extern void xfs_buf_readahead(xfs_buftarg_t *, xfs_off_t, size_t);
222 xfs_buf_flags_t);
223struct xfs_buf *xfs_buf_read_uncached(struct xfs_mount *mp, 222struct xfs_buf *xfs_buf_read_uncached(struct xfs_mount *mp,
224 struct xfs_buftarg *target, 223 struct xfs_buftarg *target,
225 xfs_daddr_t daddr, size_t length, int flags); 224 xfs_daddr_t daddr, size_t length, int flags);
@@ -247,6 +246,8 @@ extern int xfs_buf_iorequest(xfs_buf_t *);
247extern int xfs_buf_iowait(xfs_buf_t *); 246extern int xfs_buf_iowait(xfs_buf_t *);
248extern void xfs_buf_iomove(xfs_buf_t *, size_t, size_t, void *, 247extern void xfs_buf_iomove(xfs_buf_t *, size_t, size_t, void *,
249 xfs_buf_rw_t); 248 xfs_buf_rw_t);
249#define xfs_buf_zero(bp, off, len) \
250 xfs_buf_iomove((bp), (off), (len), NULL, XBRW_ZERO)
250 251
251static inline int xfs_buf_geterror(xfs_buf_t *bp) 252static inline int xfs_buf_geterror(xfs_buf_t *bp)
252{ 253{
@@ -359,21 +360,6 @@ static inline void xfs_buf_relse(xfs_buf_t *bp)
359 xfs_buf_rele(bp); 360 xfs_buf_rele(bp);
360} 361}
361 362
362#define xfs_biodone(bp) xfs_buf_ioend(bp, 0)
363
364#define xfs_biomove(bp, off, len, data, rw) \
365 xfs_buf_iomove((bp), (off), (len), (data), \
366 ((rw) == XBF_WRITE) ? XBRW_WRITE : XBRW_READ)
367
368#define xfs_biozero(bp, off, len) \
369 xfs_buf_iomove((bp), (off), (len), NULL, XBRW_ZERO)
370
371#define xfs_iowait(bp) xfs_buf_iowait(bp)
372
373#define xfs_baread(target, rablkno, ralen) \
374 xfs_buf_readahead((target), (rablkno), (ralen), XBF_DONT_BLOCK)
375
376
377/* 363/*
378 * Handling of buftargs. 364 * Handling of buftargs.
379 */ 365 */
diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c
index 48d5f8206549..fa1e40ac4b35 100644
--- a/fs/xfs/linux-2.6/xfs_super.c
+++ b/fs/xfs/linux-2.6/xfs_super.c
@@ -644,7 +644,7 @@ xfs_barrier_test(
644 XFS_BUF_ORDERED(sbp); 644 XFS_BUF_ORDERED(sbp);
645 645
646 xfsbdstrat(mp, sbp); 646 xfsbdstrat(mp, sbp);
647 error = xfs_iowait(sbp); 647 error = xfs_buf_iowait(sbp);
648 648
649 /* 649 /*
650 * Clear all the flags we set and possible error state in the 650 * Clear all the flags we set and possible error state in the