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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>
This commit is contained in:
Christoph Hellwig 2010-10-06 18:41:18 +00:00 committed by Alex Elder
parent 6c77b0ea1b
commit 1a1a3e97ba
16 changed files with 33 additions and 48 deletions
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19
fs/xfs/linux-2.6/xfs_buf.c
View File

@ -652,8 +652,7 @@ void
xfs_buf_readahead(
xfs_buftarg_t *target,
xfs_off_t ioff,
size_t isize,
xfs_buf_flags_t flags)
size_t isize)
{
struct backing_dev_info *bdi;
@ -661,8 +660,8 @@ xfs_buf_readahead(
if (bdi_read_congested(bdi))
return;
flags |= (XBF_TRYLOCK|XBF_ASYNC|XBF_READ_AHEAD);
xfs_buf_read(target, ioff, isize, flags);
xfs_buf_read(target, ioff, isize,
XBF_TRYLOCK|XBF_ASYNC|XBF_READ_AHEAD|XBF_DONT_BLOCK);
}
/*
@ -691,7 +690,7 @@ xfs_buf_read_uncached(
XFS_BUF_BUSY(bp);
xfsbdstrat(mp, bp);
error = xfs_iowait(bp);
error = xfs_buf_iowait(bp);
if (error || bp->b_error) {
xfs_buf_relse(bp);
return NULL;
@ -1073,7 +1072,7 @@ xfs_bdwrite(
/*
* Called when we want to stop a buffer from getting written or read.
* We attach the EIO error, muck with its flags, and call biodone
* We attach the EIO error, muck with its flags, and call xfs_buf_ioend
* so that the proper iodone callbacks get called.
*/
STATIC int
@ -1090,21 +1089,21 @@ xfs_bioerror(
XFS_BUF_ERROR(bp, EIO);
/*
* We're calling biodone, so delete XBF_DONE flag.
* We're calling xfs_buf_ioend, so delete XBF_DONE flag.
*/
XFS_BUF_UNREAD(bp);
XFS_BUF_UNDELAYWRITE(bp);
XFS_BUF_UNDONE(bp);
XFS_BUF_STALE(bp);
xfs_biodone(bp);
xfs_buf_ioend(bp, 0);
return EIO;
}
/*
* Same as xfs_bioerror, except that we are releasing the buffer
* here ourselves, and avoiding the biodone call.
* here ourselves, and avoiding the xfs_buf_ioend call.
* This is meant for userdata errors; metadata bufs come with
* iodone functions attached, so that we can track down errors.
*/
@ -1938,7 +1937,7 @@ xfs_flush_buftarg(
bp = list_first_entry(&wait_list, struct xfs_buf, b_list);
list_del_init(&bp->b_list);
xfs_iowait(bp);
xfs_buf_iowait(bp);
xfs_buf_relse(bp);
}
}

20
fs/xfs/linux-2.6/xfs_buf.h
View File

@ -218,8 +218,7 @@ extern xfs_buf_t *xfs_buf_get_empty(size_t, xfs_buftarg_t *);
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);
extern void xfs_buf_hold(xfs_buf_t *);
extern void xfs_buf_readahead(xfs_buftarg_t *, xfs_off_t, size_t,
xfs_buf_flags_t);
extern void xfs_buf_readahead(xfs_buftarg_t *, xfs_off_t, size_t);
struct xfs_buf *xfs_buf_read_uncached(struct xfs_mount *mp,
struct xfs_buftarg *target,
xfs_daddr_t daddr, size_t length, int flags);
@ -247,6 +246,8 @@ 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 *,
xfs_buf_rw_t);
#define xfs_buf_zero(bp, off, len) \
xfs_buf_iomove((bp), (off), (len), NULL, XBRW_ZERO)
static inline int xfs_buf_geterror(xfs_buf_t *bp)
{
@ -359,21 +360,6 @@ static inline void xfs_buf_relse(xfs_buf_t *bp)
xfs_buf_rele(bp);
}
#define xfs_biodone(bp) xfs_buf_ioend(bp, 0)
#define xfs_biomove(bp, off, len, data, rw) \
xfs_buf_iomove((bp), (off), (len), (data), \
((rw) == XBF_WRITE) ? XBRW_WRITE : XBRW_READ)
#define xfs_biozero(bp, off, len) \
xfs_buf_iomove((bp), (off), (len), NULL, XBRW_ZERO)
#define xfs_iowait(bp) xfs_buf_iowait(bp)
#define xfs_baread(target, rablkno, ralen) \
xfs_buf_readahead((target), (rablkno), (ralen), XBF_DONT_BLOCK)
/*
* Handling of buftargs.
*/

2
fs/xfs/linux-2.6/xfs_super.c
View File

@ -644,7 +644,7 @@ xfs_barrier_test(
XFS_BUF_ORDERED(sbp);
xfsbdstrat(mp, sbp);
error = xfs_iowait(sbp);
error = xfs_buf_iowait(sbp);
/*
* Clear all the flags we set and possible error state in the

2
fs/xfs/quota/xfs_qm.c
View File

@ -1433,7 +1433,7 @@ xfs_qm_dqiterate(
rablkcnt = map[i+1].br_blockcount;
rablkno = map[i+1].br_startblock;
while (rablkcnt--) {
xfs_baread(mp->m_ddev_targp,
xfs_buf_readahead(mp->m_ddev_targp,
XFS_FSB_TO_DADDR(mp, rablkno),
mp->m_quotainfo->qi_dqchunklen);
rablkno++;

6
fs/xfs/xfs_attr.c
View File

@ -1986,7 +1986,7 @@ xfs_attr_rmtval_get(xfs_da_args_t *args)
tmp = (valuelen < XFS_BUF_SIZE(bp))
? valuelen : XFS_BUF_SIZE(bp);
xfs_biomove(bp, 0, tmp, dst, XBF_READ);
xfs_buf_iomove(bp, 0, tmp, dst, XBRW_READ);
xfs_buf_relse(bp);
dst += tmp;
valuelen -= tmp;
@ -2116,9 +2116,9 @@ xfs_attr_rmtval_set(xfs_da_args_t *args)
tmp = (valuelen < XFS_BUF_SIZE(bp)) ? valuelen :
XFS_BUF_SIZE(bp);
xfs_biomove(bp, 0, tmp, src, XBF_WRITE);
xfs_buf_iomove(bp, 0, tmp, src, XBRW_WRITE);
if (tmp < XFS_BUF_SIZE(bp))
xfs_biozero(bp, tmp, XFS_BUF_SIZE(bp) - tmp);
xfs_buf_zero(bp, tmp, XFS_BUF_SIZE(bp) - tmp);
if ((error = xfs_bwrite(mp, bp))) {/* GROT: NOTE: synchronous write */
return (error);
}

4
fs/xfs/xfs_btree.c
View File

@ -656,7 +656,7 @@ xfs_btree_reada_bufl(
ASSERT(fsbno != NULLFSBLOCK);
d = XFS_FSB_TO_DADDR(mp, fsbno);
xfs_baread(mp->m_ddev_targp, d, mp->m_bsize * count);
xfs_buf_readahead(mp->m_ddev_targp, d, mp->m_bsize * count);
}
/*
@ -676,7 +676,7 @@ xfs_btree_reada_bufs(
ASSERT(agno != NULLAGNUMBER);
ASSERT(agbno != NULLAGBLOCK);
d = XFS_AGB_TO_DADDR(mp, agno, agbno);
xfs_baread(mp->m_ddev_targp, d, mp->m_bsize * count);
xfs_buf_readahead(mp->m_ddev_targp, d, mp->m_bsize * count);
}
STATIC int

4
fs/xfs/xfs_buf_item.c
View File

@ -973,7 +973,7 @@ xfs_buf_iodone_callbacks(
xfs_buf_do_callbacks(bp, lip);
XFS_BUF_SET_FSPRIVATE(bp, NULL);
XFS_BUF_CLR_IODONE_FUNC(bp);
xfs_biodone(bp);
xfs_buf_ioend(bp, 0);
return;
}
@ -1032,7 +1032,7 @@ xfs_buf_iodone_callbacks(
xfs_buf_do_callbacks(bp, lip);
XFS_BUF_SET_FSPRIVATE(bp, NULL);
XFS_BUF_CLR_IODONE_FUNC(bp);
xfs_biodone(bp);
xfs_buf_ioend(bp, 0);
}
/*

2
fs/xfs/xfs_da_btree.c
View File

@ -2042,7 +2042,7 @@ xfs_da_do_buf(
mappedbno, nmapped, 0, &bp);
break;
case 3:
xfs_baread(mp->m_ddev_targp, mappedbno, nmapped);
xfs_buf_readahead(mp->m_ddev_targp, mappedbno, nmapped);
error = 0;
bp = NULL;
break;

2
fs/xfs/xfs_dir2_leaf.c
View File

@ -961,7 +961,7 @@ xfs_dir2_leaf_getdents(
if (i > ra_current &&
map[ra_index].br_blockcount >=
mp->m_dirblkfsbs) {
xfs_baread(mp->m_ddev_targp,
xfs_buf_readahead(mp->m_ddev_targp,
XFS_FSB_TO_DADDR(mp,
map[ra_index].br_startblock +
ra_offset),

2
fs/xfs/xfs_ialloc.c
View File

@ -212,7 +212,7 @@ xfs_ialloc_inode_init(
* to log a whole cluster of inodes instead of all the
* individual transactions causing a lot of log traffic.
*/
xfs_biozero(fbuf, 0, ninodes << mp->m_sb.sb_inodelog);
xfs_buf_zero(fbuf, 0, ninodes << mp->m_sb.sb_inodelog);
for (i = 0; i < ninodes; i++) {
int ioffset = i << mp->m_sb.sb_inodelog;
uint isize = sizeof(struct xfs_dinode);

2
fs/xfs/xfs_inode.c
View File

@ -2724,7 +2724,7 @@ cluster_corrupt_out:
XFS_BUF_UNDONE(bp);
XFS_BUF_STALE(bp);
XFS_BUF_ERROR(bp,EIO);
xfs_biodone(bp);
xfs_buf_ioend(bp, 0);
} else {
XFS_BUF_STALE(bp);
xfs_buf_relse(bp);

2
fs/xfs/xfs_log.c
View File

@ -1310,7 +1310,7 @@ xlog_bdstrat(
if (iclog->ic_state & XLOG_STATE_IOERROR) {
XFS_BUF_ERROR(bp, EIO);
XFS_BUF_STALE(bp);
xfs_biodone(bp);
xfs_buf_ioend(bp, 0);
/*
* It would seem logical to return EIO here, but we rely on
* the log state machine to propagate I/O errors instead of

6
fs/xfs/xfs_log_recover.c
View File

@ -168,7 +168,7 @@ xlog_bread_noalign(
XFS_BUF_SET_TARGET(bp, log->l_mp->m_logdev_targp);
xfsbdstrat(log->l_mp, bp);
error = xfs_iowait(bp);
error = xfs_buf_iowait(bp);
if (error)
xfs_ioerror_alert("xlog_bread", log->l_mp,
bp, XFS_BUF_ADDR(bp));
@ -328,7 +328,7 @@ xlog_recover_iodone(
SHUTDOWN_META_IO_ERROR);
}
XFS_BUF_CLR_IODONE_FUNC(bp);
xfs_biodone(bp);
xfs_buf_ioend(bp, 0);
}
/*
@ -3816,7 +3816,7 @@ xlog_do_recover(
XFS_BUF_READ(bp);
XFS_BUF_UNASYNC(bp);
xfsbdstrat(log->l_mp, bp);
error = xfs_iowait(bp);
error = xfs_buf_iowait(bp);
if (error) {
xfs_ioerror_alert("xlog_do_recover",
log->l_mp, bp, XFS_BUF_ADDR(bp));

2
fs/xfs/xfs_mount.c
View File

@ -1607,7 +1607,7 @@ xfs_unmountfs_writesb(xfs_mount_t *mp)
XFS_BUF_UNASYNC(sbp);
ASSERT(XFS_BUF_TARGET(sbp) == mp->m_ddev_targp);
xfsbdstrat(mp, sbp);
error = xfs_iowait(sbp);
error = xfs_buf_iowait(sbp);
if (error)
xfs_ioerror_alert("xfs_unmountfs_writesb",
mp, sbp, XFS_BUF_ADDR(sbp));

2
fs/xfs/xfs_trans_buf.c
View File

@ -336,7 +336,7 @@ xfs_trans_read_buf(
ASSERT(!XFS_BUF_ISASYNC(bp));
XFS_BUF_READ(bp);
xfsbdstrat(tp->t_mountp, bp);
error = xfs_iowait(bp);
error = xfs_buf_iowait(bp);
if (error) {
xfs_ioerror_alert("xfs_trans_read_buf", mp,
bp, blkno);

4
fs/xfs/xfs_vnodeops.c
View File

@ -2460,7 +2460,7 @@ xfs_zero_remaining_bytes(
XFS_BUF_READ(bp);
XFS_BUF_SET_ADDR(bp, xfs_fsb_to_db(ip, imap.br_startblock));
xfsbdstrat(mp, bp);
error = xfs_iowait(bp);
error = xfs_buf_iowait(bp);
if (error) {
xfs_ioerror_alert("xfs_zero_remaining_bytes(read)",
mp, bp, XFS_BUF_ADDR(bp));
@ -2473,7 +2473,7 @@ xfs_zero_remaining_bytes(
XFS_BUF_UNREAD(bp);
XFS_BUF_WRITE(bp);
xfsbdstrat(mp, bp);
error = xfs_iowait(bp);
error = xfs_buf_iowait(bp);
if (error) {
xfs_ioerror_alert("xfs_zero_remaining_bytes(write)",
mp, bp, XFS_BUF_ADDR(bp));