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- Remove IS_LOCKING_VFS() all of our filesystems support locking now

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- Add IGNORE_LOCK() that only ignores VCHR files for now since no one locks
   their underlying device in the leaf filesystems. (devvp)
 - Add prototypes for vop_lookup_{pre,post} that I forgot before.
This commit is contained in:
Jeff Roberson 2002-07-09 20:07:29 +00:00
parent 50bfcee1cb
commit f00501bdb1
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=99692
1 changed files with 13 additions and 18 deletions
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31
sys/sys/vnode.h
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@ -451,24 +451,17 @@ extern int vfs_badlock_panic;
extern int vfs_badlock_print;
/*
* [dfr] Kludge until I get around to fixing all the vfs locking.
* This only exists to supress warnings from unlocked specfs accesses. It is
* no longer ok to have an unlocked VFS.
*/
#define IS_LOCKING_VFS(vp) ( ((vp)->v_tag == VT_UFS \
|| (vp)->v_tag == VT_NFS \
|| (vp)->v_tag == VT_LFS \
|| (vp)->v_tag == VT_ISOFS \
|| (vp)->v_tag == VT_MSDOSFS \
|| (vp)->v_tag == VT_DEVFS \
|| (vp)->v_tag == VT_UDF \
|| (vp)->v_tag == VT_PSEUDOFS \
|| (vp)->v_tag == VT_PROCFS) \
&& (vp)->v_type != VCHR)
#define IGNORE_LOCK(vp) ((vp)->v_type == VCHR)
#define ASSERT_VOP_LOCKED(vp, str) \
do { \
struct vnode *_vp = (vp); \
\
if (_vp && IS_LOCKING_VFS(_vp) && !VOP_ISLOCKED(_vp, NULL)) { \
if (_vp && !IGNORE_LOCK(_vp) && !VOP_ISLOCKED(_vp, NULL)) { \
if (vfs_badlock_print) \
printf("%s: %p is not locked but should be\n", \
str, _vp); \
@ -482,7 +475,7 @@ do { \
struct vnode *_vp = (vp); \
int lockstate; \
\
if (_vp && IS_LOCKING_VFS(_vp)) { \
if (_vp && !IGNORE_LOCK(_vp)) { \
lockstate = VOP_ISLOCKED(_vp, curthread); \
if (lockstate == LK_EXCLUSIVE) { \
if (vfs_badlock_print) \
@ -498,8 +491,8 @@ do { \
do { \
struct vnode *_vp = (vp); \
\
if (_vp && IS_LOCKING_VFS(_vp) && \
VOP_ISLOCKED(_vp, curthread) != LK_EXCLUSIVE) \
if (_vp && !IGNORE_LOCK(_vp) && \
VOP_ISLOCKED(_vp, curthread) != LK_EXCLUSIVE) \
panic("%s: %p is not exclusive locked but should be", \
str, _vp); \
} while (0)
@ -508,8 +501,8 @@ do { \
do { \
struct vnode *_vp = (vp); \
\
if (_vp && IS_LOCKING_VFS(_vp) && \
VOP_ISLOCKED(_vp, curthread) != LK_EXCLOTHER) \
if (_vp && !IGNORE_LOCK(_vp) && \
VOP_ISLOCKED(_vp, curthread) != LK_EXCLOTHER) \
panic("%s: %p is not exclusive locked by another thread", \
str, _vp); \
} while (0)
@ -518,7 +511,7 @@ do { \
do { \
struct vnode *_vp = (vp); \
\
if (_vp && IS_LOCKING_VFS(_vp) && \
if (_vp && !IGNORE_LOCK(_vp) && \
VOP_ISLOCKED(_vp, NULL) != LK_SHARED) \
panic("%s: %p is not locked shared but should be", \
str, _vp); \
@ -526,6 +519,8 @@ do { \
void vop_rename_pre(void *a);
void vop_strategy_pre(void *a);
void vop_lookup_pre(void *a);
void vop_lookup_post(void *a, int rc);
#else