cache: ansify functions and fix some style issues
No functional changes.
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parent
b8e3d9cc79
commit
6b53d1bc6f
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=293295
@ -288,7 +288,7 @@ static u_long nummiss; STATNODE(CTLFLAG_RD, nummiss, &nummiss,
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"Number of cache misses");
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static u_long nummisszap; STATNODE(CTLFLAG_RD, nummisszap, &nummisszap,
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"Number of cache misses we do not want to cache");
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static u_long numposzaps; STATNODE(CTLFLAG_RD, numposzaps, &numposzaps,
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static u_long numposzaps; STATNODE(CTLFLAG_RD, numposzaps, &numposzaps,
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"Number of cache hits (positive) we do not want to cache");
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static u_long numposhits; STATNODE(CTLFLAG_RD, numposhits, &numposhits,
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"Number of cache hits (positive)");
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@ -303,8 +303,6 @@ SYSCTL_OPAQUE(_vfs_cache, OID_AUTO, nchstats, CTLFLAG_RD | CTLFLAG_MPSAFE,
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&nchstats, sizeof(nchstats), "LU",
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"VFS cache effectiveness statistics");
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static void cache_zap(struct namecache *ncp);
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static int vn_vptocnp_locked(struct vnode **vp, struct ucred *cred, char *buf,
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u_int *buflen);
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@ -410,8 +408,7 @@ SYSCTL_PROC(_debug_hashstat, OID_AUTO, nchash, CTLTYPE_INT|CTLFLAG_RD|
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* pointer to a vnode or if it is just a negative cache entry.
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*/
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static void
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cache_zap(ncp)
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struct namecache *ncp;
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cache_zap(struct namecache *ncp)
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{
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struct vnode *vp;
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@ -446,7 +443,7 @@ cache_zap(ncp)
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}
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numcache--;
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cache_free(ncp);
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if (vp)
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if (vp != NULL)
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vdrop(vp);
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}
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@ -468,12 +465,8 @@ cache_zap(ncp)
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*/
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int
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cache_lookup(dvp, vpp, cnp, tsp, ticksp)
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struct vnode *dvp;
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struct vnode **vpp;
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struct componentname *cnp;
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struct timespec *tsp;
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int *ticksp;
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cache_lookup(struct vnode *dvp, struct vnode **vpp, struct componentname *cnp,
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struct timespec *tsp, int *ticksp)
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{
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struct namecache *ncp;
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uint32_t hash;
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@ -701,12 +694,8 @@ cache_lookup(dvp, vpp, cnp, tsp, ticksp)
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* Add an entry to the cache.
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*/
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void
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cache_enter_time(dvp, vp, cnp, tsp, dtsp)
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struct vnode *dvp;
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struct vnode *vp;
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struct componentname *cnp;
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struct timespec *tsp;
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struct timespec *dtsp;
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cache_enter_time(struct vnode *dvp, struct vnode *vp, struct componentname *cnp,
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struct timespec *tsp, struct timespec *dtsp)
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{
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struct namecache *ncp, *n2;
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struct namecache_ts *n3;
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@ -836,9 +825,9 @@ cache_enter_time(dvp, vp, cnp, tsp, dtsp)
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* has populated v_cache_dd pointer already.
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*/
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if (dvp->v_cache_dd != NULL) {
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CACHE_WUNLOCK();
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cache_free(ncp);
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return;
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CACHE_WUNLOCK();
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cache_free(ncp);
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return;
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}
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KASSERT(vp == NULL || vp->v_type == VDIR,
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("wrong vnode type %p", vp));
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@ -846,7 +835,7 @@ cache_enter_time(dvp, vp, cnp, tsp, dtsp)
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}
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numcache++;
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if (!vp) {
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if (vp == NULL) {
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numneg++;
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if (cnp->cn_flags & ISWHITEOUT)
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ncp->nc_flag |= NCF_WHITE;
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@ -884,7 +873,7 @@ cache_enter_time(dvp, vp, cnp, tsp, dtsp)
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* "negative" cache queue, otherwise, we place it into the
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* destination vnode's cache entries queue.
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*/
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if (vp) {
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if (vp != NULL) {
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TAILQ_INSERT_HEAD(&vp->v_cache_dst, ncp, nc_dst);
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SDT_PROBE3(vfs, namecache, enter, done, dvp, nc_get_name(ncp),
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vp);
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@ -975,8 +964,7 @@ cache_changesize(int newmaxvnodes)
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* Invalidate all entries to a particular vnode.
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*/
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void
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cache_purge(vp)
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struct vnode *vp;
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cache_purge(struct vnode *vp)
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{
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CTR1(KTR_VFS, "cache_purge(%p)", vp);
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@ -999,8 +987,7 @@ cache_purge(vp)
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* Invalidate all negative entries for a particular directory vnode.
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*/
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void
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cache_purge_negative(vp)
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struct vnode *vp;
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cache_purge_negative(struct vnode *vp)
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{
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struct namecache *cp, *ncp;
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@ -1018,8 +1005,7 @@ cache_purge_negative(vp)
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* Flush all entries referencing a particular filesystem.
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*/
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void
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cache_purgevfs(mp)
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struct mount *mp;
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cache_purgevfs(struct mount *mp)
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{
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struct nchashhead *ncpp;
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struct namecache *ncp, *nnp;
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@ -1042,12 +1028,7 @@ cache_purgevfs(mp)
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*/
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int
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vfs_cache_lookup(ap)
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struct vop_lookup_args /* {
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struct vnode *a_dvp;
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struct vnode **a_vpp;
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struct componentname *a_cnp;
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} */ *ap;
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vfs_cache_lookup(struct vop_lookup_args *ap)
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{
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struct vnode *dvp;
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int error;
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@ -1088,9 +1069,7 @@ SYSCTL_INT(_debug, OID_AUTO, disablecwd, CTLFLAG_RW, &disablecwd, 0,
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/* Implementation of the getcwd syscall. */
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int
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sys___getcwd(td, uap)
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struct thread *td;
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struct __getcwd_args *uap;
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sys___getcwd(struct thread *td, struct __getcwd_args *uap)
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{
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return (kern___getcwd(td, uap->buf, UIO_USERSPACE, uap->buflen,
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