mount_lock 63 usr/server/fs/vfs/vfs_mount.c static mutex_t mount_lock = MUTEX_INITIALIZER; mount_lock 64 usr/server/fs/vfs/vfs_mount.c #define MOUNT_LOCK() mutex_lock(&mount_lock) mount_lock 65 usr/server/fs/vfs/vfs_mount.c #define MOUNT_UNLOCK() mutex_unlock(&mount_lock)