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| author | John Baldwin <jhb@FreeBSD.org> | 2009-02-13 18:18:14 +0000 |
|---|---|---|
| committer | John Baldwin <jhb@FreeBSD.org> | 2009-02-13 18:18:14 +0000 |
| commit | ea77ff0a15cd3ab1440165c4932de70cb3f64e39 (patch) | |
| tree | 059be0daffb9368cf7dc8f5d8a29ff30ea6391fb /sys/kern/vfs_syscalls.c | |
| parent | f25a08888f15d86a921cf47ee261719137595f69 (diff) | |
| download | src-ea77ff0a15cd3ab1440165c4932de70cb3f64e39.tar.gz src-ea77ff0a15cd3ab1440165c4932de70cb3f64e39.zip | |
Use shared vnode locks when invoking VOP_READDIR().
MFC after: 1 month
Notes
Notes:
svn path=/head/; revision=188588
Diffstat (limited to 'sys/kern/vfs_syscalls.c')
| -rw-r--r-- | sys/kern/vfs_syscalls.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/sys/kern/vfs_syscalls.c b/sys/kern/vfs_syscalls.c index be3dc76ab860..80da9b750190 100644 --- a/sys/kern/vfs_syscalls.c +++ b/sys/kern/vfs_syscalls.c @@ -3936,7 +3936,7 @@ unionread: auio.uio_segflg = UIO_USERSPACE; auio.uio_td = td; auio.uio_resid = uap->count; - vn_lock(vp, LK_EXCLUSIVE | LK_RETRY); + vn_lock(vp, LK_SHARED | LK_RETRY); loff = auio.uio_offset = fp->f_offset; #ifdef MAC error = mac_vnode_check_readdir(td->td_ucred, vp); @@ -4095,8 +4095,7 @@ unionread: auio.uio_segflg = UIO_USERSPACE; auio.uio_td = td; auio.uio_resid = count; - /* vn_lock(vp, LK_SHARED | LK_RETRY); */ - vn_lock(vp, LK_EXCLUSIVE | LK_RETRY); + vn_lock(vp, LK_SHARED | LK_RETRY); AUDIT_ARG(vnode, vp, ARG_VNODE1); loff = auio.uio_offset = fp->f_offset; #ifdef MAC |