diff options
Diffstat (limited to 'sys/fs')
-rw-r--r-- | sys/fs/cuse/cuse.c | 2 | ||||
-rw-r--r-- | sys/fs/devfs/devfs_dir.c | 2 | ||||
-rw-r--r-- | sys/fs/fuse/fuse_device.c | 2 | ||||
-rw-r--r-- | sys/fs/fuse/fuse_vnops.c | 4 | ||||
-rw-r--r-- | sys/fs/nullfs/null.h | 15 | ||||
-rw-r--r-- | sys/fs/nullfs/null_subr.c | 4 | ||||
-rw-r--r-- | sys/fs/nullfs/null_vfsops.c | 20 | ||||
-rw-r--r-- | sys/fs/nullfs/null_vnops.c | 10 | ||||
-rw-r--r-- | sys/fs/p9fs/p9_transport.c | 3 | ||||
-rw-r--r-- | sys/fs/udf/osta.c | 4 | ||||
-rw-r--r-- | sys/fs/unionfs/union_subr.c | 2 | ||||
-rw-r--r-- | sys/fs/unionfs/union_vnops.c | 12 |
12 files changed, 57 insertions, 23 deletions
diff --git a/sys/fs/cuse/cuse.c b/sys/fs/cuse/cuse.c index d63a7d4691cf..b2524324584a 100644 --- a/sys/fs/cuse/cuse.c +++ b/sys/fs/cuse/cuse.c @@ -195,12 +195,14 @@ static const struct filterops cuse_client_kqfilter_read_ops = { .f_isfd = 1, .f_detach = cuse_client_kqfilter_read_detach, .f_event = cuse_client_kqfilter_read_event, + .f_copy = knote_triv_copy, }; static const struct filterops cuse_client_kqfilter_write_ops = { .f_isfd = 1, .f_detach = cuse_client_kqfilter_write_detach, .f_event = cuse_client_kqfilter_write_event, + .f_copy = knote_triv_copy, }; static d_open_t cuse_client_open; diff --git a/sys/fs/devfs/devfs_dir.c b/sys/fs/devfs/devfs_dir.c index 3dc87538017d..aad87606e738 100644 --- a/sys/fs/devfs/devfs_dir.c +++ b/sys/fs/devfs/devfs_dir.c @@ -162,7 +162,7 @@ int devfs_pathpath(const char *p1, const char *p2) { - for (;;p1++, p2++) { + for (;; p1++, p2++) { if (*p1 != *p2) { if (*p1 == '/' && *p2 == '\0') return (1); diff --git a/sys/fs/fuse/fuse_device.c b/sys/fs/fuse/fuse_device.c index 57b3559731f7..75bc0357571f 100644 --- a/sys/fs/fuse/fuse_device.c +++ b/sys/fs/fuse/fuse_device.c @@ -126,11 +126,13 @@ static const struct filterops fuse_device_rfiltops = { .f_isfd = 1, .f_detach = fuse_device_filt_detach, .f_event = fuse_device_filt_read, + .f_copy = knote_triv_copy, }; static const struct filterops fuse_device_wfiltops = { .f_isfd = 1, .f_event = fuse_device_filt_write, + .f_copy = knote_triv_copy, }; /**************************** diff --git a/sys/fs/fuse/fuse_vnops.c b/sys/fs/fuse/fuse_vnops.c index 5c28db29fc63..683ee2f7ad56 100644 --- a/sys/fs/fuse/fuse_vnops.c +++ b/sys/fs/fuse/fuse_vnops.c @@ -284,7 +284,7 @@ fuse_flush(struct vnode *vp, struct ucred *cred, pid_t pid, int fflag) struct mount *mp = vnode_mount(vp); int err; - if (fsess_not_impl(vnode_mount(vp), FUSE_FLUSH)) + if (fsess_not_impl(mp, FUSE_FLUSH)) return 0; err = fuse_filehandle_getrw(vp, fflag, &fufh, cred, pid); @@ -292,7 +292,7 @@ fuse_flush(struct vnode *vp, struct ucred *cred, pid_t pid, int fflag) return err; if (fufh->fuse_open_flags & FOPEN_NOFLUSH && - (!fsess_opt_writeback(vnode_mount(vp)))) + (!fsess_opt_writeback(mp))) return (0); fdisp_init(&fdi, sizeof(*ffi)); diff --git a/sys/fs/nullfs/null.h b/sys/fs/nullfs/null.h index ad3f7779e108..7bfdc20a3f67 100644 --- a/sys/fs/nullfs/null.h +++ b/sys/fs/nullfs/null.h @@ -35,11 +35,12 @@ #ifndef FS_NULL_H #define FS_NULL_H -#define NULLM_CACHE 0x0001 - #include <sys/ck.h> #include <vm/uma.h> +#define NULLM_CACHE 0x0001 +#define NULLM_NOUNPBYPASS 0x0002 + struct null_mount { struct mount *nullm_vfs; struct vnode *nullm_lowerrootvp; /* Ref to lower root vnode */ @@ -82,6 +83,16 @@ struct vnode *null_checkvp(struct vnode *vp, char *fil, int lno); #endif extern struct vop_vector null_vnodeops; +extern struct vop_vector null_vnodeops_no_unp_bypass; + +static inline bool +null_is_nullfs_vnode(struct vnode *vp) +{ + const struct vop_vector *op; + + op = vp->v_op; + return (op == &null_vnodeops || op == &null_vnodeops_no_unp_bypass); +} extern uma_zone_t null_node_zone; diff --git a/sys/fs/nullfs/null_subr.c b/sys/fs/nullfs/null_subr.c index d7f847d449d0..a843ae44f121 100644 --- a/sys/fs/nullfs/null_subr.c +++ b/sys/fs/nullfs/null_subr.c @@ -240,7 +240,9 @@ null_nodeget(struct mount *mp, struct vnode *lowervp, struct vnode **vpp) */ xp = uma_zalloc_smr(null_node_zone, M_WAITOK); - error = getnewvnode("nullfs", mp, &null_vnodeops, &vp); + error = getnewvnode("nullfs", mp, (MOUNTTONULLMOUNT(mp)->nullm_flags & + NULLM_NOUNPBYPASS) != 0 ? &null_vnodeops_no_unp_bypass : + &null_vnodeops, &vp); if (error) { vput(lowervp); uma_zfree_smr(null_node_zone, xp); diff --git a/sys/fs/nullfs/null_vfsops.c b/sys/fs/nullfs/null_vfsops.c index 4cddf24a5745..170a3dd51cd8 100644 --- a/sys/fs/nullfs/null_vfsops.c +++ b/sys/fs/nullfs/null_vfsops.c @@ -85,6 +85,10 @@ nullfs_mount(struct mount *mp) char *target; int error, len; bool isvnunlocked; + static const char cache_opt_name[] = "cache"; + static const char nocache_opt_name[] = "nocache"; + static const char unixbypass_opt_name[] = "unixbypass"; + static const char nounixbypass_opt_name[] = "nounixbypass"; NULLFSDEBUG("nullfs_mount(mp = %p)\n", (void *)mp); @@ -116,7 +120,7 @@ nullfs_mount(struct mount *mp) /* * Unlock lower node to avoid possible deadlock. */ - if (mp->mnt_vnodecovered->v_op == &null_vnodeops && + if (null_is_nullfs_vnode(mp->mnt_vnodecovered) && VOP_ISLOCKED(mp->mnt_vnodecovered) == LK_EXCLUSIVE) { VOP_UNLOCK(mp->mnt_vnodecovered); isvnunlocked = true; @@ -150,7 +154,7 @@ nullfs_mount(struct mount *mp) /* * Check multi null mount to avoid `lock against myself' panic. */ - if (mp->mnt_vnodecovered->v_op == &null_vnodeops) { + if (null_is_nullfs_vnode(mp->mnt_vnodecovered)) { nn = VTONULL(mp->mnt_vnodecovered); if (nn == NULL || lowerrootvp == nn->null_lowervp) { NULLFSDEBUG("nullfs_mount: multi null mount?\n"); @@ -205,9 +209,10 @@ nullfs_mount(struct mount *mp) MNT_IUNLOCK(mp); } - if (vfs_getopt(mp->mnt_optnew, "cache", NULL, NULL) == 0) { + if (vfs_getopt(mp->mnt_optnew, cache_opt_name, NULL, NULL) == 0) { xmp->nullm_flags |= NULLM_CACHE; - } else if (vfs_getopt(mp->mnt_optnew, "nocache", NULL, NULL) == 0) { + } else if (vfs_getopt(mp->mnt_optnew, nocache_opt_name, NULL, + NULL) == 0) { ; } else if (null_cache_vnodes && (xmp->nullm_vfs->mnt_kern_flag & MNTK_NULL_NOCACHE) == 0) { @@ -219,6 +224,13 @@ nullfs_mount(struct mount *mp) &xmp->notify_node); } + if (vfs_getopt(mp->mnt_optnew, unixbypass_opt_name, NULL, NULL) == 0) { + ; + } else if (vfs_getopt(mp->mnt_optnew, nounixbypass_opt_name, NULL, + NULL) == 0) { + xmp->nullm_flags |= NULLM_NOUNPBYPASS; + } + if (lowerrootvp == mp->mnt_vnodecovered) { vn_lock(lowerrootvp, LK_EXCLUSIVE | LK_RETRY | LK_CANRECURSE); lowerrootvp->v_vflag |= VV_CROSSLOCK; diff --git a/sys/fs/nullfs/null_vnops.c b/sys/fs/nullfs/null_vnops.c index ec8a6b10b13f..d4baabeb40ab 100644 --- a/sys/fs/nullfs/null_vnops.c +++ b/sys/fs/nullfs/null_vnops.c @@ -278,7 +278,7 @@ null_bypass(struct vop_generic_args *ap) * that aren't. (We must always map first vp or vclean fails.) */ if (i != 0 && (*this_vp_p == NULL || - (*this_vp_p)->v_op != &null_vnodeops)) { + !null_is_nullfs_vnode(*this_vp_p))) { old_vps[i] = NULL; } else { old_vps[i] = *this_vp_p; @@ -1256,3 +1256,11 @@ struct vop_vector null_vnodeops = { .vop_copy_file_range = VOP_PANIC, }; VFS_VOP_VECTOR_REGISTER(null_vnodeops); + +struct vop_vector null_vnodeops_no_unp_bypass = { + .vop_default = &null_vnodeops, + .vop_unp_bind = vop_stdunp_bind, + .vop_unp_connect = vop_stdunp_connect, + .vop_unp_detach = vop_stdunp_detach, +}; +VFS_VOP_VECTOR_REGISTER(null_vnodeops_no_unp_bypass); diff --git a/sys/fs/p9fs/p9_transport.c b/sys/fs/p9fs/p9_transport.c index c82d81fedcd7..25eee984265c 100644 --- a/sys/fs/p9fs/p9_transport.c +++ b/sys/fs/p9fs/p9_transport.c @@ -34,9 +34,8 @@ TAILQ_HEAD(, p9_trans_module) transports; static void -p9_transport_init(void) +p9_transport_init(void *dummy __unused) { - TAILQ_INIT(&transports); } diff --git a/sys/fs/udf/osta.c b/sys/fs/udf/osta.c index f79b86993367..1a083d8c26b1 100644 --- a/sys/fs/udf/osta.c +++ b/sys/fs/udf/osta.c @@ -383,7 +383,7 @@ int UDFTransName( int maxFilenameLen; /* Translate extension, and store it in ext. */ for(index = 0; index<EXT_SIZE && - extIndex + index +1 < udfLen; index++ ) { + extIndex + index +1 < udfLen; index++) { current = udfName[extIndex + index + 1]; if (IsIllegal(current) || !UnicodeIsPrint(current)) { @@ -432,7 +432,7 @@ int UDFTransName( /* Place a translated extension at end, if found. */ if (hasExt) { newName[newIndex++] = PERIOD; - for (index = 0;index < localExtIndex ;index++ ) { + for (index = 0; index < localExtIndex; index++) { newName[newIndex++] = ext[index]; } } diff --git a/sys/fs/unionfs/union_subr.c b/sys/fs/unionfs/union_subr.c index a14f9ca74305..b6d6db60ca3d 100644 --- a/sys/fs/unionfs/union_subr.c +++ b/sys/fs/unionfs/union_subr.c @@ -587,6 +587,7 @@ unionfs_find_node_status(struct unionfs_node *unp, struct thread *td) struct unionfs_node_status *unsp; pid_t pid; + MPASS(td != NULL); pid = td->td_proc->p_pid; ASSERT_VOP_ELOCKED(UNIONFSTOV(unp), __func__); @@ -612,6 +613,7 @@ unionfs_get_node_status(struct unionfs_node *unp, struct thread *td, struct unionfs_node_status *unsp; pid_t pid; + MPASS(td != NULL); pid = td->td_proc->p_pid; KASSERT(NULL != unspp, ("%s: NULL status", __func__)); diff --git a/sys/fs/unionfs/union_vnops.c b/sys/fs/unionfs/union_vnops.c index 627b2f6e9a1d..66fee97a07d5 100644 --- a/sys/fs/unionfs/union_vnops.c +++ b/sys/fs/unionfs/union_vnops.c @@ -814,7 +814,7 @@ unionfs_close(struct vop_close_args *ap) unp = VTOUNIONFS(vp); lvp = unp->un_lowervp; uvp = unp->un_uppervp; - unsp = unionfs_find_node_status(unp, td); + unsp = (td != NULL) ? unionfs_find_node_status(unp, td) : NULL; if (unsp == NULL || (unsp->uns_lower_opencnt <= 0 && unsp->uns_upper_opencnt <= 0)) { @@ -2208,7 +2208,6 @@ unionfs_lock_restart: vholdnz(tvp); VI_UNLOCK(vp); error = VOP_LOCK(tvp, flags); - vdrop(tvp); if (error == 0 && (lvp_locked || VTOUNIONFS(vp) == NULL)) { /* * After dropping the interlock above, there exists a window @@ -2234,6 +2233,7 @@ unionfs_lock_restart: unp = VTOUNIONFS(vp); if (unp == NULL || unp->un_uppervp != NULL) { VOP_UNLOCK(tvp); + vdrop(tvp); /* * If we previously held the lock, the upgrade may * have temporarily dropped the lock, in which case @@ -2249,6 +2249,7 @@ unionfs_lock_restart: goto unionfs_lock_restart; } } + vdrop(tvp); return (error); } @@ -2259,7 +2260,6 @@ unionfs_unlock(struct vop_unlock_args *ap) struct vnode *vp; struct vnode *tvp; struct unionfs_node *unp; - int error; KASSERT_UNIONFS_VNODE(ap->a_vp); @@ -2271,11 +2271,7 @@ unionfs_unlock(struct vop_unlock_args *ap) tvp = (unp->un_uppervp != NULL ? unp->un_uppervp : unp->un_lowervp); - vholdnz(tvp); - error = VOP_UNLOCK(tvp); - vdrop(tvp); - - return (error); + return (VOP_UNLOCK(tvp)); } static int |