aboutsummaryrefslogtreecommitdiffstats
path: root/fs/xfs/xfs_vnodeops.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/xfs/xfs_vnodeops.c')
-rw-r--r--fs/xfs/xfs_vnodeops.c144
1 files changed, 62 insertions, 82 deletions
diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c
index 58bfe629b933..7c1f74531463 100644
--- a/fs/xfs/xfs_vnodeops.c
+++ b/fs/xfs/xfs_vnodeops.c
@@ -1,40 +1,26 @@
/*
- * Copyright (c) 2000-2005 Silicon Graphics, Inc. All Rights Reserved.
+ * Copyright (c) 2000-2005 Silicon Graphics, Inc.
+ * All Rights Reserved.
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation.
*
- * This program is distributed in the hope that it would be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * This program is distributed in the hope that it would be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
*
- * Further, this software is distributed without any warranty that it is
- * free of the rightful claim of any third person regarding infringement
- * or the like. Any license provided herein, whether implied or
- * otherwise, applies only to this software file. Patent licenses, if
- * any, provided herein do not apply to combinations of this program with
- * other software, or any other product whatsoever.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston MA 02111-1307, USA.
- *
- * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
- * Mountain View, CA 94043, or:
- *
- * http://www.sgi.com
- *
- * For further information regarding this notice, see:
- *
- * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-
#include "xfs.h"
-#include "xfs_macros.h"
+#include "xfs_fs.h"
#include "xfs_types.h"
-#include "xfs_inum.h"
+#include "xfs_bit.h"
#include "xfs_log.h"
+#include "xfs_inum.h"
#include "xfs_trans.h"
#include "xfs_sb.h"
#include "xfs_ag.h"
@@ -42,33 +28,32 @@
#include "xfs_dir2.h"
#include "xfs_dmapi.h"
#include "xfs_mount.h"
-#include "xfs_alloc_btree.h"
+#include "xfs_da_btree.h"
#include "xfs_bmap_btree.h"
+#include "xfs_alloc_btree.h"
#include "xfs_ialloc_btree.h"
-#include "xfs_itable.h"
-#include "xfs_btree.h"
-#include "xfs_ialloc.h"
-#include "xfs_alloc.h"
-#include "xfs_attr_sf.h"
#include "xfs_dir_sf.h"
#include "xfs_dir2_sf.h"
+#include "xfs_attr_sf.h"
#include "xfs_dinode.h"
-#include "xfs_inode_item.h"
#include "xfs_inode.h"
+#include "xfs_inode_item.h"
+#include "xfs_dir_leaf.h"
+#include "xfs_itable.h"
+#include "xfs_btree.h"
+#include "xfs_ialloc.h"
+#include "xfs_alloc.h"
#include "xfs_bmap.h"
-#include "xfs_da_btree.h"
#include "xfs_attr.h"
#include "xfs_rw.h"
-#include "xfs_refcache.h"
#include "xfs_error.h"
-#include "xfs_bit.h"
-#include "xfs_rtalloc.h"
#include "xfs_quota.h"
#include "xfs_utils.h"
+#include "xfs_rtalloc.h"
+#include "xfs_refcache.h"
#include "xfs_trans_space.h"
-#include "xfs_dir_leaf.h"
-#include "xfs_mac.h"
#include "xfs_log_priv.h"
+#include "xfs_mac.h"
/*
@@ -181,40 +166,7 @@ xfs_getattr(
vap->va_rdev = 0;
if (!(ip->i_d.di_flags & XFS_DIFLAG_REALTIME)) {
-
-#if 0
- /* Large block sizes confuse various
- * user space programs, so letting the
- * stripe size through is not a good
- * idea for now.
- */
- vap->va_blocksize = mp->m_swidth ?
- /*
- * If the underlying volume is a stripe, then
- * return the stripe width in bytes as the
- * recommended I/O size.
- */
- (mp->m_swidth << mp->m_sb.sb_blocklog) :
- /*
- * Return the largest of the preferred buffer
- * sizes since doing small I/Os into larger
- * buffers causes buffers to be decommissioned.
- * The value returned is in bytes.
- */
- (1 << (int)MAX(mp->m_readio_log,
- mp->m_writeio_log));
-
-#else
- vap->va_blocksize =
- /*
- * Return the largest of the preferred buffer
- * sizes since doing small I/Os into larger
- * buffers causes buffers to be decommissioned.
- * The value returned is in bytes.
- */
- 1 << (int)MAX(mp->m_readio_log,
- mp->m_writeio_log);
-#endif
+ vap->va_blocksize = xfs_preferred_iosize(mp);
} else {
/*
@@ -581,8 +533,7 @@ xfs_setattr(
/*
* Can't change extent size if any extents are allocated.
*/
- if ((ip->i_d.di_nextents || ip->i_delayed_blks) &&
- (mask & XFS_AT_EXTSIZE) &&
+ if (ip->i_d.di_nextents && (mask & XFS_AT_EXTSIZE) &&
((ip->i_d.di_extsize << mp->m_sb.sb_blocklog) !=
vap->va_extsize) ) {
code = XFS_ERROR(EINVAL); /* EFBIG? */
@@ -610,7 +561,8 @@ xfs_setattr(
/*
* Can't change realtime flag if any extents are allocated.
*/
- if (ip->i_d.di_nextents && (mask & XFS_AT_XFLAGS) &&
+ if ((ip->i_d.di_nextents || ip->i_delayed_blks) &&
+ (mask & XFS_AT_XFLAGS) &&
(ip->i_d.di_flags & XFS_DIFLAG_REALTIME) !=
(vap->va_xflags & XFS_XFLAG_REALTIME)) {
code = XFS_ERROR(EINVAL); /* EFBIG? */
@@ -674,8 +626,10 @@ xfs_setattr(
*/
if (mask & XFS_AT_SIZE) {
code = 0;
- if (vap->va_size > ip->i_d.di_size)
+ if ((vap->va_size > ip->i_d.di_size) &&
+ (flags & ATTR_NOSIZETOK) == 0) {
code = xfs_igrow_start(ip, vap->va_size, credp);
+ }
xfs_iunlock(ip, XFS_ILOCK_EXCL);
if (!code)
code = xfs_itruncate_data(ip, vap->va_size);
@@ -1118,6 +1072,7 @@ xfs_fsync(
xfs_inode_t *ip;
xfs_trans_t *tp;
int error;
+ int log_flushed = 0, changed = 1;
vn_trace_entry(BHV_TO_VNODE(bdp),
__FUNCTION__, (inst_t *)__return_address);
@@ -1171,10 +1126,18 @@ xfs_fsync(
xfs_iunlock(ip, XFS_ILOCK_SHARED);
if (xfs_ipincount(ip)) {
- xfs_log_force(ip->i_mount, (xfs_lsn_t)0,
+ _xfs_log_force(ip->i_mount, (xfs_lsn_t)0,
XFS_LOG_FORCE |
((flag & FSYNC_WAIT)
- ? XFS_LOG_SYNC : 0));
+ ? XFS_LOG_SYNC : 0),
+ &log_flushed);
+ } else {
+ /*
+ * If the inode is not pinned and nothing
+ * has changed we don't need to flush the
+ * cache.
+ */
+ changed = 0;
}
error = 0;
} else {
@@ -1210,10 +1173,27 @@ xfs_fsync(
xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
if (flag & FSYNC_WAIT)
xfs_trans_set_sync(tp);
- error = xfs_trans_commit(tp, 0, NULL);
+ error = _xfs_trans_commit(tp, 0, NULL, &log_flushed);
xfs_iunlock(ip, XFS_ILOCK_EXCL);
}
+
+ if ((ip->i_mount->m_flags & XFS_MOUNT_BARRIER) && changed) {
+ /*
+ * If the log write didn't issue an ordered tag we need
+ * to flush the disk cache for the data device now.
+ */
+ if (!log_flushed)
+ xfs_blkdev_issue_flush(ip->i_mount->m_ddev_targp);
+
+ /*
+ * If this inode is on the RT dev we need to flush that
+ * cache aswell.
+ */
+ if (ip->i_d.di_flags & XFS_DIFLAG_REALTIME)
+ xfs_blkdev_issue_flush(ip->i_mount->m_rtdev_targp);
+ }
+
return error;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.