diff options
| -rw-r--r-- | sys/kern/vfs_cache.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/sys/kern/vfs_cache.c b/sys/kern/vfs_cache.c index 44a8e27..1e051df 100644 --- a/sys/kern/vfs_cache.c +++ b/sys/kern/vfs_cache.c @@ -37,6 +37,15 @@ static struct mountlist_entry *mountlist = NULL; +/* + * Cache a mountpoint + * + * @mp: Mountpoint to cache + * @path: Path this mountpoint belongs to + * + * If this cache entry already exists, -EEXIST + * will be returned. + */ int vfs_cache_mp(struct mount *mp, const char *path) { @@ -59,6 +68,16 @@ vfs_cache_mp(struct mount *mp, const char *path) return 0; } +/* + * Fetch mountpoint from cache + * + * @path: Path of target mountpoint + * @mp: Pointer of variable where mountpoint fetched will + * be stored + * + * Returns 0 upon a cache hit, on a cache miss this + * function returns -ENOENT. + */ int vfs_cache_fetch_mp(const char *path, struct mount **mp) { @@ -84,6 +103,9 @@ vfs_cache_fetch_mp(const char *path, struct mount **mp) return -ENOENT; } +/* + * Init all caches + */ void vfs_init_cache(void) { |