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[XFS] replace vn_get usage by ihold

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SGI-PV: 938306
SGI-Modid: xfs-linux:xfs-kern:194627a

Signed-off-by: Christoph Hellwig <hch@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>
This commit is contained in:
Christoph Hellwig
2005-09-02 16:24:19 +10:00
committed by Nathan Scott
parent bb3f724e12
commit cdb626878f
4 changed files with 16 additions and 83 deletions
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18
fs/xfs/quota/xfs_qm_syscalls.c
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@@ -1053,7 +1053,6 @@ xfs_qm_dqrele_all_inodes(
struct xfs_mount *mp,
uint flags)
{
vmap_t vmap;
xfs_inode_t *ip, *topino;
uint ireclaims;
vnode_t *vp;
@@ -1061,8 +1060,8 @@ xfs_qm_dqrele_all_inodes(
ASSERT(mp->m_quotainfo);
again:
XFS_MOUNT_ILOCK(mp);
again:
ip = mp->m_inodes;
if (ip == NULL) {
XFS_MOUNT_IUNLOCK(mp);
@@ -1090,18 +1089,14 @@ again:
}
vnode_refd = B_FALSE;
if (xfs_ilock_nowait(ip, XFS_ILOCK_EXCL) == 0) {
/*
* Sample vp mapping while holding the mplock, lest
* we come across a non-existent vnode.
*/
VMAP(vp, vmap);
ireclaims = mp->m_ireclaims;
topino = mp->m_inodes;
XFS_MOUNT_IUNLOCK(mp);
/* XXX restart limit ? */
if ( ! (vp = vn_get(vp, &vmap)))
vp = vn_grab(vp);
if (!vp)
goto again;
XFS_MOUNT_IUNLOCK(mp);
/* XXX restart limit ? */
xfs_ilock(ip, XFS_ILOCK_EXCL);
vnode_refd = B_TRUE;
} else {
@@ -1137,7 +1132,6 @@ again:
*/
if (topino != mp->m_inodes || mp->m_ireclaims != ireclaims) {
/* XXX use a sentinel */
XFS_MOUNT_IUNLOCK(mp);
goto again;
}
ip = ip->i_mnext;