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xfs: cleanup dmapi macros in the umount path

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Stop the flag saving as we never mangle those in the unmount path, and
hide all the weird arguents to the dmapi code inside the
XFS_SEND_PREUNMOUNT / XFS_SEND_UNMOUNT macros.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <david@fromorbit.com>
Signed-off-by: Alex Elder <aelder@sgi.com>
This commit is contained in:
Christoph Hellwig 2009-11-14 16:17:24 +00:00 committed by Alex Elder
parent 0c3dc2b02a
commit 30ac0683dd
2 changed files with 21 additions and 24 deletions
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22
fs/xfs/linux-2.6/xfs_super.c
View file

@ -1131,8 +1131,6 @@ xfs_fs_put_super(
struct super_block *sb)
{
struct xfs_mount *mp = XFS_M(sb);
struct xfs_inode *rip = mp->m_rootip;
int unmount_event_flags = 0;
xfs_syncd_stop(mp);
@ -1148,20 +1146,7 @@ xfs_fs_put_super(
xfs_sync_attr(mp, 0);
}
#ifdef HAVE_DMAPI
if (mp->m_flags & XFS_MOUNT_DMAPI) {
unmount_event_flags =
(mp->m_dmevmask & (1 << DM_EVENT_UNMOUNT)) ?
0 : DM_FLAGS_UNWANTED;
/*
* Ignore error from dmapi here, first unmount is not allowed
* to fail anyway, and second we wouldn't want to fail a
* unmount because of dmapi.
*/
XFS_SEND_PREUNMOUNT(mp, rip, DM_RIGHT_NULL, rip, DM_RIGHT_NULL,
NULL, NULL, 0, 0, unmount_event_flags);
}
#endif
XFS_SEND_PREUNMOUNT(mp);
/*
* Blow away any referenced inode in the filestreams cache.
@ -1172,10 +1157,7 @@ xfs_fs_put_super(
XFS_bflush(mp->m_ddev_targp);
if (mp->m_flags & XFS_MOUNT_DMAPI) {
XFS_SEND_UNMOUNT(mp, rip, DM_RIGHT_NULL, 0, 0,
unmount_event_flags);
}
XFS_SEND_UNMOUNT(mp);
xfs_unmountfs(mp);
xfs_freesb(mp);

23
fs/xfs/xfs_mount.h
View file

@ -93,6 +93,9 @@ typedef struct xfs_dmops {
xfs_send_unmount_t xfs_send_unmount;
} xfs_dmops_t;
#define XFS_DMAPI_UNMOUNT_FLAGS(mp) \
(((mp)->m_dmevmask & (1 << DM_EVENT_UNMOUNT)) ? 0 : DM_FLAGS_UNWANTED)
#define XFS_SEND_DATA(mp, ev,ip,off,len,fl,lock) \
(*(mp)->m_dm_ops->xfs_send_data)(ev,ip,off,len,fl,lock)
#define XFS_SEND_MMAP(mp, vma,fl) \
@ -101,12 +104,24 @@ typedef struct xfs_dmops {
(*(mp)->m_dm_ops->xfs_send_destroy)(ip,right)
#define XFS_SEND_NAMESP(mp, ev,b1,r1,b2,r2,n1,n2,mode,rval,fl) \
(*(mp)->m_dm_ops->xfs_send_namesp)(ev,NULL,b1,r1,b2,r2,n1,n2,mode,rval,fl)
#define XFS_SEND_PREUNMOUNT(mp,b1,r1,b2,r2,n1,n2,mode,rval,fl) \
(*(mp)->m_dm_ops->xfs_send_namesp)(DM_EVENT_PREUNMOUNT,mp,b1,r1,b2,r2,n1,n2,mode,rval,fl)
#define XFS_SEND_MOUNT(mp,right,path,name) \
(*(mp)->m_dm_ops->xfs_send_mount)(mp,right,path,name)
#define XFS_SEND_UNMOUNT(mp, ip,right,mode,rval,fl) \
(*(mp)->m_dm_ops->xfs_send_unmount)(mp,ip,right,mode,rval,fl)
#define XFS_SEND_PREUNMOUNT(mp) \
do { \
if (mp->m_flags & XFS_MOUNT_DMAPI) { \
(*(mp)->m_dm_ops->xfs_send_namesp)(DM_EVENT_PREUNMOUNT, mp, \
(mp)->m_rootip, DM_RIGHT_NULL, \
(mp)->m_rootip, DM_RIGHT_NULL, \
NULL, NULL, 0, 0, XFS_DMAPI_UNMOUNT_FLAGS(mp)); \
} \
} while (0)
#define XFS_SEND_UNMOUNT(mp) \
do { \
if (mp->m_flags & XFS_MOUNT_DMAPI) { \
(*(mp)->m_dm_ops->xfs_send_unmount)(mp, (mp)->m_rootip, \
DM_RIGHT_NULL, 0, 0, XFS_DMAPI_UNMOUNT_FLAGS(mp)); \
} \
} while (0)
#ifdef HAVE_PERCPU_SB