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sys/fs/nullfs/null_vnops.c
| Show First 20 Lines • Show All 885 Lines • ▼ Show 20 Lines | null_vptocnp(struct vop_vptocnp_args *ap) | ||||
| error = vn_vptocnp(&ldvp, cred, ap->a_buf, ap->a_buflen); | error = vn_vptocnp(&ldvp, cred, ap->a_buf, ap->a_buflen); | ||||
| vdrop(lvp); | vdrop(lvp); | ||||
| if (error != 0) { | if (error != 0) { | ||||
| vn_lock(vp, locked | LK_RETRY); | vn_lock(vp, locked | LK_RETRY); | ||||
| vfs_rel(mp); | vfs_rel(mp); | ||||
| return (ENOENT); | return (ENOENT); | ||||
| } | } | ||||
| /* | error = vn_lock(ldvp, LK_SHARED); | ||||
| * Exclusive lock is required by insmntque1 call in | |||||
| * null_nodeget() | |||||
| */ | |||||
| error = vn_lock(ldvp, LK_EXCLUSIVE); | |||||
| if (error != 0) { | if (error != 0) { | ||||
| vrele(ldvp); | vrele(ldvp); | ||||
| vn_lock(vp, locked | LK_RETRY); | vn_lock(vp, locked | LK_RETRY); | ||||
| vfs_rel(mp); | vfs_rel(mp); | ||||
| return (ENOENT); | return (ENOENT); | ||||
| } | } | ||||
| error = null_nodeget(mp, ldvp, dvp); | error = null_nodeget(mp, ldvp, dvp); | ||||
| if (error == 0) { | if (error == 0) { | ||||
| Show All 38 Lines | |||||