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xfs: cleanup dmapi macros in the umount path 

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 коммит произвёл Alex Elder
Родитель 0c3dc2b02a
Коммит 30ac0683dd
2 изменённых файлов: 21 добавлений и 24 удалений
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22
fs/xfs/linux-2.6/xfs_super.c
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@ -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
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@ -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