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MFp4: Rearange the code so vobject is destroyed from reclaim() method like

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in all other file system on FreeBSD (instead from inactive() method).

A nice side-effect of this change, except that it speedups file system
when mmaped file are often open/closed, is that it makes FreeBSD's
namecache work:)
This commit is contained in:
Pawel Jakub Dawidek 2007-04-24 16:57:53 +00:00
parent 0cdad5e228
commit f13f738876
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=169025
4 changed files with 44 additions and 42 deletions
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39
sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c
View File

@ -3400,11 +3400,6 @@ zfs_freebsd_inactive(ap)
{
vnode_t *vp = ap->a_vp;
/*
* Destroy the vm object and flush associated pages.
*/
vnode_destroy_vobject(vp);
zfs_inactive(vp, ap->a_td->td_ucred);
return (0);
}
@ -3416,28 +3411,38 @@ zfs_freebsd_reclaim(ap)
struct thread *a_td;
} */ *ap;
{
vnode_t *vp = ap->a_vp;
vnode_t *vp = ap->a_vp;
znode_t *zp = VTOZ(vp);
zfsvfs_t *zfsvfs;
int rele = 1;
ASSERT(zp != NULL);
if (zp != NULL)
mutex_enter(&zp->z_lock);
#if 0 /*
* We do it from zfs_inactive(), because after zfs_inactive() we can't
* VOP_WRITE() to the vnode.
*/
/*
* Destroy the vm object and flush associated pages.
*/
vnode_destroy_vobject(vp);
#endif
mutex_enter(&zp->z_lock);
ASSERT(zp->z_phys);
ASSERT(zp->z_dbuf_held);
zfsvfs = zp->z_zfsvfs;
if (!zp->z_unlinked) {
zp->z_dbuf_held = 0;
ZTOV(zp) = NULL;
mutex_exit(&zp->z_lock);
dmu_buf_rele(zp->z_dbuf, NULL);
} else {
mutex_exit(&zp->z_lock);
}
VI_LOCK(vp);
if (vp->v_count > 0)
rele = 0;
vp->v_data = NULL;
if (zp != NULL)
zp->z_vnode = NULL;
ASSERT(vp->v_holdcnt > 1);
vdropl(vp);
if (zp != NULL)
mutex_exit(&zp->z_lock);
if (!zp->z_unlinked && rele)
VFS_RELE(zfsvfs->z_vfs);
return (0);
}

4
sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_znode.c
View File

@ -683,12 +683,8 @@ zfs_zinactive(znode_t *zp)
}
ASSERT(zp->z_phys);
ASSERT(zp->z_dbuf_held);
zp->z_dbuf_held = 0;
mutex_exit(&zp->z_lock);
dmu_buf_rele(zp->z_dbuf, NULL);
ZFS_OBJ_HOLD_EXIT(zfsvfs, z_id);
VFS_RELE(zfsvfs->z_vfs);
}
/*

39
sys/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c
View File

@ -3400,11 +3400,6 @@ zfs_freebsd_inactive(ap)
{
vnode_t *vp = ap->a_vp;
/*
* Destroy the vm object and flush associated pages.
*/
vnode_destroy_vobject(vp);
zfs_inactive(vp, ap->a_td->td_ucred);
return (0);
}
@ -3416,28 +3411,38 @@ zfs_freebsd_reclaim(ap)
struct thread *a_td;
} */ *ap;
{
vnode_t *vp = ap->a_vp;
vnode_t *vp = ap->a_vp;
znode_t *zp = VTOZ(vp);
zfsvfs_t *zfsvfs;
int rele = 1;
ASSERT(zp != NULL);
if (zp != NULL)
mutex_enter(&zp->z_lock);
#if 0 /*
* We do it from zfs_inactive(), because after zfs_inactive() we can't
* VOP_WRITE() to the vnode.
*/
/*
* Destroy the vm object and flush associated pages.
*/
vnode_destroy_vobject(vp);
#endif
mutex_enter(&zp->z_lock);
ASSERT(zp->z_phys);
ASSERT(zp->z_dbuf_held);
zfsvfs = zp->z_zfsvfs;
if (!zp->z_unlinked) {
zp->z_dbuf_held = 0;
ZTOV(zp) = NULL;
mutex_exit(&zp->z_lock);
dmu_buf_rele(zp->z_dbuf, NULL);
} else {
mutex_exit(&zp->z_lock);
}
VI_LOCK(vp);
if (vp->v_count > 0)
rele = 0;
vp->v_data = NULL;
if (zp != NULL)
zp->z_vnode = NULL;
ASSERT(vp->v_holdcnt > 1);
vdropl(vp);
if (zp != NULL)
mutex_exit(&zp->z_lock);
if (!zp->z_unlinked && rele)
VFS_RELE(zfsvfs->z_vfs);
return (0);
}

4
sys/contrib/opensolaris/uts/common/fs/zfs/zfs_znode.c
View File

@ -683,12 +683,8 @@ zfs_zinactive(znode_t *zp)
}
ASSERT(zp->z_phys);
ASSERT(zp->z_dbuf_held);
zp->z_dbuf_held = 0;
mutex_exit(&zp->z_lock);
dmu_buf_rele(zp->z_dbuf, NULL);
ZFS_OBJ_HOLD_EXIT(zfsvfs, z_id);
VFS_RELE(zfsvfs->z_vfs);
}
/*