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Code Issues Releases Activity

- Reduce scope of vnode lock. vfs_mount_alloc() doesn't need vnode to be

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locked.
- Remove code duplication.
This commit is contained in:
Pawel Jakub Dawidek 2010-02-18 22:22:45 +00:00
parent e15d7a0b4c
commit d779d44313
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=204066
1 changed files with 4 additions and 7 deletions
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11
sys/kern/vfs_mount.c
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@ -959,12 +959,12 @@ vfs_domount(
}
vp->v_iflag |= VI_MOUNT;
VI_UNLOCK(vp);
VOP_UNLOCK(vp, 0);
/*
* Allocate and initialize the filesystem.
*/
mp = vfs_mount_alloc(vp, vfsp, fspath, td->td_ucred);
VOP_UNLOCK(vp, 0);
/* XXXMAC: pass to vfs_mount_alloc? */
mp->mnt_optnew = fsdata;
@ -1060,12 +1060,12 @@ vfs_domount(
* Put the new filesystem on the mount list after root.
*/
cache_purge(vp);
VI_LOCK(vp);
vp->v_iflag &= ~VI_MOUNT;
VI_UNLOCK(vp);
if (!error) {
struct vnode *newdp;
VI_LOCK(vp);
vp->v_iflag &= ~VI_MOUNT;
VI_UNLOCK(vp);
vp->v_mountedhere = mp;
mtx_lock(&mountlist_mtx);
TAILQ_INSERT_TAIL(&mountlist, mp, mnt_list);
@ -1083,9 +1083,6 @@ vfs_domount(
if (error)
vrele(vp);
} else {
VI_LOCK(vp);
vp->v_iflag &= ~VI_MOUNT;
VI_UNLOCK(vp);
vfs_unbusy(mp);
vfs_mount_destroy(mp);
vput(vp);