diff options
| -rw-r--r-- | sys/include/sys/mount.h | 4 | ||||
| -rw-r--r-- | sys/kern/vfs_subr.c | 23 |
2 files changed, 27 insertions, 0 deletions
diff --git a/sys/include/sys/mount.h b/sys/include/sys/mount.h index e46cda9..e12b880 100644 --- a/sys/include/sys/mount.h +++ b/sys/include/sys/mount.h @@ -39,6 +39,7 @@ #if defined(_KERNEL) #define FS_NAME_MAX 16 /* Length of fs name including nul */ +#define NAME_MAX 256 /* Max name of filename (not including nul) */ /* * Filesystem types. @@ -56,6 +57,7 @@ extern mountlist_t g_mountlist; extern const struct vfsops g_initramfs_vfsops; struct mount { + char *name; struct spinlock lock; struct vnode *vp; const struct vfsops *mnt_ops; @@ -77,6 +79,8 @@ struct vfsops { }; void vfs_init(void); +int vfs_name_mount(struct mount *mp, const char *name); + struct mount *vfs_alloc_mount(struct vnode *vp, struct fs_info *fip); struct fs_info *vfs_byname(const char *name); diff --git a/sys/kern/vfs_subr.c b/sys/kern/vfs_subr.c index 0d4be72..cbcf7c5 100644 --- a/sys/kern/vfs_subr.c +++ b/sys/kern/vfs_subr.c @@ -74,6 +74,29 @@ vfs_alloc_mount(struct vnode *vp, struct fs_info *fip) } /* + * Assign a name to a mountpoint. + * + * @mp: Mountpoint to name. + * @name: Name to give. + */ +int +vfs_name_mount(struct mount *mp, const char *name) +{ + size_t name_len = strlen(name); + + if (name_len > NAME_MAX) + return -ENAMETOOLONG; + + mp->name = dynalloc(sizeof(char) * name_len + 1); + if (mp->name == NULL) + return -ENOMEM; + + memcpy(mp->name, name, name_len); + mp->name[name_len] = '\0'; + return 0; +} + +/* * Release a vnode and its resources from * memory. */ |