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-rw-r--r--fs/xfs/linux-2.6/xfs_quotaops.c4
-rw-r--r--fs/xfs/linux-2.6/xfs_super.c13
-rw-r--r--fs/xfs/linux-2.6/xfs_sync.c55
-rw-r--r--fs/xfs/linux-2.6/xfs_sync.h5
-rw-r--r--fs/xfs/xfs_filestream.c6
5 files changed, 53 insertions, 30 deletions
diff --git a/fs/xfs/linux-2.6/xfs_quotaops.c b/fs/xfs/linux-2.6/xfs_quotaops.c
index 94d9a63..cb6e2cc 100644
--- a/fs/xfs/linux-2.6/xfs_quotaops.c
+++ b/fs/xfs/linux-2.6/xfs_quotaops.c
@@ -50,9 +50,11 @@ xfs_fs_quota_sync(
{
struct xfs_mount *mp = XFS_M(sb);
+ if (sb->s_flags & MS_RDONLY)
+ return -EROFS;
if (!XFS_IS_QUOTA_RUNNING(mp))
return -ENOSYS;
- return -xfs_sync_inodes(mp, SYNC_DELWRI);
+ return -xfs_sync_data(mp, 0);
}
STATIC int
diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c
index 0d9b64b..d4e7ef8 100644
--- a/fs/xfs/linux-2.6/xfs_super.c
+++ b/fs/xfs/linux-2.6/xfs_super.c
@@ -1071,7 +1071,18 @@ xfs_fs_put_super(
int unmount_event_flags = 0;
xfs_syncd_stop(mp);
- xfs_sync_inodes(mp, SYNC_ATTR|SYNC_DELWRI);
+
+ if (!(sb->s_flags & MS_RDONLY)) {
+ /*
+ * XXX(hch): this should be SYNC_WAIT.
+ *
+ * Or more likely not needed at all because the VFS is already
+ * calling ->sync_fs after shutting down all filestem
+ * operations and just before calling ->put_super.
+ */
+ xfs_sync_data(mp, 0);
+ xfs_sync_attr(mp, 0);
+ }
#ifdef HAVE_DMAPI
if (mp->m_flags & XFS_MOUNT_DMAPI) {
diff --git a/fs/xfs/linux-2.6/xfs_sync.c b/fs/xfs/linux-2.6/xfs_sync.c
index a3d2e77..c1a9a11 100644
--- a/fs/xfs/linux-2.6/xfs_sync.c
+++ b/fs/xfs/linux-2.6/xfs_sync.c
@@ -268,29 +268,42 @@ xfs_sync_inode_attr(
return error;
}
+/*
+ * Write out pagecache data for the whole filesystem.
+ */
int
-xfs_sync_inodes(
- xfs_mount_t *mp,
- int flags)
+xfs_sync_data(
+ struct xfs_mount *mp,
+ int flags)
{
- int error = 0;
- int lflags = XFS_LOG_FORCE;
+ int error;
- if (mp->m_flags & XFS_MOUNT_RDONLY)
- return 0;
+ ASSERT((flags & ~(SYNC_TRYLOCK|SYNC_WAIT|SYNC_IOWAIT)) == 0);
- if (flags & SYNC_WAIT)
- lflags |= XFS_LOG_SYNC;
+ error = xfs_inode_ag_iterator(mp, xfs_sync_inode_data, flags,
+ XFS_ICI_NO_TAG);
+ if (error)
+ return XFS_ERROR(error);
- if (flags & SYNC_DELWRI)
- error = xfs_inode_ag_iterator(mp, xfs_sync_inode_data, flags, XFS_ICI_NO_TAG);
+ xfs_log_force(mp, 0,
+ (flags & SYNC_WAIT) ?
+ XFS_LOG_FORCE | XFS_LOG_SYNC :
+ XFS_LOG_FORCE);
+ return 0;
+}
- if (flags & SYNC_ATTR)
- error = xfs_inode_ag_iterator(mp, xfs_sync_inode_attr, flags, XFS_ICI_NO_TAG);
+/*
+ * Write out inode metadata (attributes) for the whole filesystem.
+ */
+int
+xfs_sync_attr(
+ struct xfs_mount *mp,
+ int flags)
+{
+ ASSERT((flags & ~SYNC_WAIT) == 0);
- if (!error && (flags & SYNC_DELWRI))
- xfs_log_force(mp, 0, lflags);
- return XFS_ERROR(error);
+ return xfs_inode_ag_iterator(mp, xfs_sync_inode_attr, flags,
+ XFS_ICI_NO_TAG);
}
STATIC int
@@ -404,12 +417,12 @@ xfs_quiesce_data(
int error;
/* push non-blocking */
- xfs_sync_inodes(mp, SYNC_DELWRI|SYNC_BDFLUSH);
+ xfs_sync_data(mp, 0);
xfs_qm_sync(mp, SYNC_BDFLUSH);
xfs_filestream_flush(mp);
/* push and block */
- xfs_sync_inodes(mp, SYNC_DELWRI|SYNC_WAIT|SYNC_IOWAIT);
+ xfs_sync_data(mp, SYNC_WAIT|SYNC_IOWAIT);
xfs_qm_sync(mp, SYNC_WAIT);
/* write superblock and hoover up shutdown errors */
@@ -438,7 +451,7 @@ xfs_quiesce_fs(
* logged before we can write the unmount record.
*/
do {
- xfs_sync_inodes(mp, SYNC_ATTR|SYNC_WAIT);
+ xfs_sync_attr(mp, SYNC_WAIT);
pincount = xfs_flush_buftarg(mp->m_ddev_targp, 1);
if (!pincount) {
delay(50);
@@ -521,8 +534,8 @@ xfs_flush_inodes_work(
void *arg)
{
struct inode *inode = arg;
- xfs_sync_inodes(mp, SYNC_DELWRI | SYNC_TRYLOCK);
- xfs_sync_inodes(mp, SYNC_DELWRI | SYNC_TRYLOCK | SYNC_IOWAIT);
+ xfs_sync_data(mp, SYNC_TRYLOCK);
+ xfs_sync_data(mp, SYNC_TRYLOCK | SYNC_IOWAIT);
iput(inode);
}
diff --git a/fs/xfs/linux-2.6/xfs_sync.h b/fs/xfs/linux-2.6/xfs_sync.h
index 9bb1253..26bfb5c 100644
--- a/fs/xfs/linux-2.6/xfs_sync.h
+++ b/fs/xfs/linux-2.6/xfs_sync.h
@@ -29,8 +29,6 @@ typedef struct xfs_sync_work {
struct completion *w_completion;
} xfs_sync_work_t;
-#define SYNC_ATTR 0x0001 /* sync attributes */
-#define SYNC_DELWRI 0x0002 /* look at delayed writes */
#define SYNC_WAIT 0x0004 /* wait for i/o to complete */
#define SYNC_BDFLUSH 0x0008 /* BDFLUSH is calling -- don't block */
#define SYNC_IOWAIT 0x0010 /* wait for all I/O to complete */
@@ -39,7 +37,8 @@ typedef struct xfs_sync_work {
int xfs_syncd_init(struct xfs_mount *mp);
void xfs_syncd_stop(struct xfs_mount *mp);
-int xfs_sync_inodes(struct xfs_mount *mp, int flags);
+int xfs_sync_attr(struct xfs_mount *mp, int flags);
+int xfs_sync_data(struct xfs_mount *mp, int flags);
int xfs_sync_fsdata(struct xfs_mount *mp, int flags);
int xfs_quiesce_data(struct xfs_mount *mp);
diff --git a/fs/xfs/xfs_filestream.c b/fs/xfs/xfs_filestream.c
index 6c87c8f..edf8bdf 100644
--- a/fs/xfs/xfs_filestream.c
+++ b/fs/xfs/xfs_filestream.c
@@ -542,10 +542,8 @@ xfs_filestream_associate(
* waiting for the lock because someone else is waiting on the lock we
* hold and we cannot drop that as we are in a transaction here.
*
- * Lucky for us, this inversion is rarely a problem because it's a
- * directory inode that we are trying to lock here and that means the
- * only place that matters is xfs_sync_inodes() and SYNC_DELWRI is
- * used. i.e. freeze, remount-ro, quotasync or unmount.
+ * Lucky for us, this inversion is not a problem because it's a
+ * directory inode that we are trying to lock here.
*
* So, if we can't get the iolock without sleeping then just give up
*/
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