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constify {__,}mnt_is_readonly()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2025-08-30 02:48:13 -04:00
parent 1e414adf03
commit a797652486
2 changed files with 3 additions and 3 deletions
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4
fs/namespace.c
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@ -428,7 +428,7 @@ static struct mount *alloc_vfsmnt(const char *name)
* mnt_want/drop_write() will _keep_ the filesystem
* r/w.
*/
bool __mnt_is_readonly(struct vfsmount *mnt)
bool __mnt_is_readonly(const struct vfsmount *mnt)
{
return (mnt->mnt_flags & MNT_READONLY) || sb_rdonly(mnt->mnt_sb);
}
@ -468,7 +468,7 @@ static unsigned int mnt_get_writers(struct mount *mnt)
#endif
}
static int mnt_is_readonly(struct vfsmount *mnt)
static int mnt_is_readonly(const struct vfsmount *mnt)
{
if (READ_ONCE(mnt->mnt_sb->s_readonly_remount))
return 1;

2
include/linux/mount.h
View File

@ -76,7 +76,7 @@ extern void mntput(struct vfsmount *mnt);
extern struct vfsmount *mntget(struct vfsmount *mnt);
extern void mnt_make_shortterm(struct vfsmount *mnt);
extern struct vfsmount *mnt_clone_internal(const struct path *path);
extern bool __mnt_is_readonly(struct vfsmount *mnt);
extern bool __mnt_is_readonly(const struct vfsmount *mnt);
extern bool mnt_may_suid(struct vfsmount *mnt);
extern struct vfsmount *clone_private_mount(const struct path *path);