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author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-07-19 10:42:02 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-07-19 10:42:02 -0700 |
commit | 933a90bf4f3505f8ec83bda21a3c7d70d7c2b426 (patch) | |
tree | ca81c209000a15670e3582760ad9bae1a9cde215 /init/do_mounts.c | |
parent | 5f4fc6d440d77a2cf74fe4ea56955674ac7e35e7 (diff) | |
parent | 037f11b4752f717201143a1dc5d6acf3cb71ddfa (diff) | |
download | lwn-933a90bf4f3505f8ec83bda21a3c7d70d7c2b426.tar.gz lwn-933a90bf4f3505f8ec83bda21a3c7d70d7c2b426.zip |
Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs mount updates from Al Viro:
"The first part of mount updates.
Convert filesystems to use the new mount API"
* 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (63 commits)
mnt_init(): call shmem_init() unconditionally
constify ksys_mount() string arguments
don't bother with registering rootfs
init_rootfs(): don't bother with init_ramfs_fs()
vfs: Convert smackfs to use the new mount API
vfs: Convert selinuxfs to use the new mount API
vfs: Convert securityfs to use the new mount API
vfs: Convert apparmorfs to use the new mount API
vfs: Convert openpromfs to use the new mount API
vfs: Convert xenfs to use the new mount API
vfs: Convert gadgetfs to use the new mount API
vfs: Convert oprofilefs to use the new mount API
vfs: Convert ibmasmfs to use the new mount API
vfs: Convert qib_fs/ipathfs to use the new mount API
vfs: Convert efivarfs to use the new mount API
vfs: Convert configfs to use the new mount API
vfs: Convert binfmt_misc to use the new mount API
convenience helper: get_tree_single()
convenience helper get_tree_nodev()
vfs: Kill sget_userns()
...
Diffstat (limited to 'init/do_mounts.c')
-rw-r--r-- | init/do_mounts.c | 24 |
1 files changed, 3 insertions, 21 deletions
diff --git a/init/do_mounts.c b/init/do_mounts.c index 2d1ea3028454..53cb37b66227 100644 --- a/init/do_mounts.c +++ b/init/do_mounts.c @@ -630,41 +630,23 @@ static bool is_tmpfs; static struct dentry *rootfs_mount(struct file_system_type *fs_type, int flags, const char *dev_name, void *data) { - static unsigned long once; void *fill = ramfs_fill_super; - if (test_and_set_bit(0, &once)) - return ERR_PTR(-ENODEV); - if (IS_ENABLED(CONFIG_TMPFS) && is_tmpfs) fill = shmem_fill_super; return mount_nodev(fs_type, flags, data, fill); } -static struct file_system_type rootfs_fs_type = { +struct file_system_type rootfs_fs_type = { .name = "rootfs", .mount = rootfs_mount, .kill_sb = kill_litter_super, }; -int __init init_rootfs(void) +void __init init_rootfs(void) { - int err = register_filesystem(&rootfs_fs_type); - - if (err) - return err; - if (IS_ENABLED(CONFIG_TMPFS) && !saved_root_name[0] && - (!root_fs_names || strstr(root_fs_names, "tmpfs"))) { - err = shmem_init(); + (!root_fs_names || strstr(root_fs_names, "tmpfs"))) is_tmpfs = true; - } else { - err = init_ramfs_fs(); - } - - if (err) - unregister_filesystem(&rootfs_fs_type); - - return err; } |