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| author | kib <kib@FreeBSD.org> | 2009-01-21 14:51:38 +0000 |
|---|---|---|
| committer | kib <kib@FreeBSD.org> | 2009-01-21 14:51:38 +0000 |
| commit | 44eef9d9bb82bfa3434a676ef8796afa45b737fc (patch) | |
| tree | 5e4f9659247270ac18f95245b70228992605c361 /sys/ufs | |
| parent | dc43531891e4226acd560977e364ab94ea62c9e9 (diff) | |
| download | FreeBSD-src-44eef9d9bb82bfa3434a676ef8796afa45b737fc.zip FreeBSD-src-44eef9d9bb82bfa3434a676ef8796afa45b737fc.tar.gz | |
Move the code from ufs_lookup.c used to do dotdot lookup, into
the helper function. It is supposed to be useful for any filesystem
that has to unlock dvp to walk to the ".." entry in lookup routine.
Requested by: jhb
Tested by: pho
MFC after: 1 month
Diffstat (limited to 'sys/ufs')
| -rw-r--r-- | sys/ufs/ufs/ufs_lookup.c | 23 |
1 files changed, 1 insertions, 22 deletions
diff --git a/sys/ufs/ufs/ufs_lookup.c b/sys/ufs/ufs/ufs_lookup.c index 65ab0da..bc11a6a 100644 --- a/sys/ufs/ufs/ufs_lookup.c +++ b/sys/ufs/ufs/ufs_lookup.c @@ -157,7 +157,6 @@ ufs_lookup(ap) int nameiop = cnp->cn_nameiop; ino_t ino; int ltype; - struct mount *mp; bp = NULL; slotoffset = -1; @@ -578,27 +577,7 @@ found: */ pdp = vdp; if (flags & ISDOTDOT) { - ltype = VOP_ISLOCKED(pdp); - mp = pdp->v_mount; - for (;;) { - error = vfs_busy(mp, MBF_NOWAIT); - if (error == 0) - break; - VOP_UNLOCK(pdp, 0); - pause("ufs_dd", 1); - vn_lock(pdp, ltype | LK_RETRY); - if (pdp->v_iflag & VI_DOOMED) - return (ENOENT); - } - VOP_UNLOCK(pdp, 0); /* race to get the inode */ - error = VFS_VGET(mp, ino, cnp->cn_lkflags, &tdp); - vfs_unbusy(mp); - vn_lock(pdp, ltype | LK_RETRY); - if (pdp->v_iflag & VI_DOOMED) { - if (error == 0) - vput(tdp); - error = ENOENT; - } + error = vn_vget_ino(pdp, ino, cnp->cn_lkflags, &tdp); if (error) return (error); *vpp = tdp; |
