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Rename superblock flags (MS_xyz -> SB_xyz)

Browse source 
This is a pure automated search-and-replace of the internal kernel
superblock flags.

The s_flags are now called SB_*, with the names and the values for the
moment mirroring the MS_* flags that they're equivalent to.

Note how the MS_xyz flags are the ones passed to the mount system call,
while the SB_xyz flags are what we then use in sb->s_flags.

The script to do this was:

    # places to look in; re security/*: it generally should *not* be
    # touched (that stuff parses mount(2) arguments directly), but
    # there are two places where we really deal with superblock flags.
    FILES="drivers/mtd drivers/staging/lustre fs ipc mm \
            include/linux/fs.h include/uapi/linux/bfs_fs.h \
            security/apparmor/apparmorfs.c security/apparmor/include/lib.h"
    # the list of MS_... constants
    SYMS="RDONLY NOSUID NODEV NOEXEC SYNCHRONOUS REMOUNT MANDLOCK \
          DIRSYNC NOATIME NODIRATIME BIND MOVE REC VERBOSE SILENT \
          POSIXACL UNBINDABLE PRIVATE SLAVE SHARED RELATIME KERNMOUNT \
          I_VERSION STRICTATIME LAZYTIME SUBMOUNT NOREMOTELOCK NOSEC BORN \
          ACTIVE NOUSER"

    SED_PROG=
    for i in $SYMS; do SED_PROG="$SED_PROG -e s/MS_$i/SB_$i/g"; done

    # we want files that contain at least one of MS_...,
    # with fs/namespace.c and fs/pnode.c excluded.
    L=$(for i in $SYMS; do git grep -w -l MS_$i $FILES; done| sort|uniq|grep -v '^fs/namespace.c'|grep -v '^fs/pnode.c')

    for f in $L; do sed -i $f $SED_PROG; done

Requested-by: Al Viro <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Linus Torvalds 2017-11-27 13:05:09 -08:00
commit 1751e8a6cb
111 changed files with 417 additions and 417 deletions
Download patch file Download diff file Expand all files Collapse all files

6
fs/libfs.c
View file

@ -246,7 +246,7 @@ struct dentry *mount_pseudo_xattr(struct file_system_type *fs_type, char *name,
struct inode *root;
struct qstr d_name = QSTR_INIT(name, strlen(name));
s = sget_userns(fs_type, NULL, set_anon_super, MS_KERNMOUNT|MS_NOUSER,
s = sget_userns(fs_type, NULL, set_anon_super, SB_KERNMOUNT|SB_NOUSER,
&init_user_ns, NULL);
if (IS_ERR(s))
return ERR_CAST(s);
@ -277,7 +277,7 @@ struct dentry *mount_pseudo_xattr(struct file_system_type *fs_type, char *name,
d_instantiate(dentry, root);
s->s_root = dentry;
s->s_d_op = dops;
s->s_flags |= MS_ACTIVE;
s->s_flags |= SB_ACTIVE;
return dget(s->s_root);
Enomem:
@ -578,7 +578,7 @@ int simple_pin_fs(struct file_system_type *type, struct vfsmount **mount, int *c
spin_lock(&pin_fs_lock);
if (unlikely(!*mount)) {
spin_unlock(&pin_fs_lock);
mnt = vfs_kern_mount(type, MS_KERNMOUNT, type->name, NULL);
mnt = vfs_kern_mount(type, SB_KERNMOUNT, type->name, NULL);
if (IS_ERR(mnt))
return PTR_ERR(mnt);
spin_lock(&pin_fs_lock);