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authorJeff Garzik <jgarzik@pretzel.yyz.us>2005-06-27 05:42:30 +0200
committerJeff Garzik <jgarzik@pobox.com>2005-06-27 05:42:30 +0200
commitf45727d52d1581e9ff4df9d1a12a60789ad2d1eb (patch)
tree773ae25f98542e6d382c688f7e85e8137d065614 /fs/xfs/linux-2.6/xfs_lrw.c
parentAutomatic merge of /spare/repo/netdev-2.6 branch we18-ieee80211 (diff)
parentMerge /spare/repo/linux-2.6/ (diff)
downloadlinux-f45727d52d1581e9ff4df9d1a12a60789ad2d1eb.tar.xz
linux-f45727d52d1581e9ff4df9d1a12a60789ad2d1eb.zip
Merge /spare/repo/netdev-2.6/ branch 'ieee80211'
Diffstat (limited to 'fs/xfs/linux-2.6/xfs_lrw.c')
-rw-r--r--fs/xfs/linux-2.6/xfs_lrw.c34
1 files changed, 8 insertions, 26 deletions
diff --git a/fs/xfs/linux-2.6/xfs_lrw.c b/fs/xfs/linux-2.6/xfs_lrw.c
index aa9daaea6c34..acab58c48043 100644
--- a/fs/xfs/linux-2.6/xfs_lrw.c
+++ b/fs/xfs/linux-2.6/xfs_lrw.c
@@ -209,30 +209,6 @@ unlock:
return (-status);
}
-/*
- * xfs_inval_cached_pages
- *
- * This routine is responsible for keeping direct I/O and buffered I/O
- * somewhat coherent. From here we make sure that we're at least
- * temporarily holding the inode I/O lock exclusively and then call
- * the page cache to flush and invalidate any cached pages. If there
- * are no cached pages this routine will be very quick.
- */
-void
-xfs_inval_cached_pages(
- vnode_t *vp,
- xfs_iocore_t *io,
- xfs_off_t offset,
- int write,
- int relock)
-{
- if (VN_CACHED(vp)) {
- xfs_inval_cached_trace(io, offset, -1, ctooff(offtoct(offset)), -1);
- VOP_FLUSHINVAL_PAGES(vp, ctooff(offtoct(offset)), -1, FI_REMAPF_LOCKED);
- }
-
-}
-
ssize_t /* bytes read, or (-) error */
xfs_read(
bhv_desc_t *bdp,
@@ -304,10 +280,11 @@ xfs_read(
if (DM_EVENT_ENABLED(vp->v_vfsp, ip, DM_EVENT_READ) &&
!(ioflags & IO_INVIS)) {
vrwlock_t locktype = VRWLOCK_READ;
+ int dmflags = FILP_DELAY_FLAG(file) | DM_SEM_FLAG_RD(ioflags);
ret = -XFS_SEND_DATA(mp, DM_EVENT_READ,
BHV_TO_VNODE(bdp), *offset, size,
- FILP_DELAY_FLAG(file), &locktype);
+ dmflags, &locktype);
if (ret) {
xfs_iunlock(ip, XFS_IOLOCK_SHARED);
goto unlock_isem;
@@ -867,11 +844,15 @@ retry:
!(ioflags & IO_INVIS)) {
xfs_rwunlock(bdp, locktype);
+ if (need_isem)
+ up(&inode->i_sem);
error = XFS_SEND_NAMESP(xip->i_mount, DM_EVENT_NOSPACE, vp,
DM_RIGHT_NULL, vp, DM_RIGHT_NULL, NULL, NULL,
0, 0, 0); /* Delay flag intentionally unused */
if (error)
- goto out_unlock_isem;
+ goto out_nounlocks;
+ if (need_isem)
+ down(&inode->i_sem);
xfs_rwlock(bdp, locktype);
pos = xip->i_d.di_size;
ret = 0;
@@ -986,6 +967,7 @@ retry:
out_unlock_isem:
if (need_isem)
up(&inode->i_sem);
+ out_nounlocks:
return -error;
}