diff options
| author | Daniel Rosenberg <drosen@google.com> | 2016-10-26 16:27:45 -0700 |
|---|---|---|
| committer | Mister Oyster <oysterized@gmail.com> | 2017-04-13 12:32:14 +0200 |
| commit | be199f96bcc2c4f544429809829d5604896b2952 (patch) | |
| tree | 22bd9a587bd5bb88e28db0868fa949b7a2b14a40 /include/linux | |
| parent | 2ab3c55d2515be9019a9df2b67cc2b53e448813a (diff) | |
vfs: Add permission2 for filesystems with per mount permissions
This allows filesystems to use their mount private data to
influence the permssions they return in permission2. It has
been separated into a new call to avoid disrupting current
permission users.
Change-Id: I9d416e3b8b6eca84ef3e336bd2af89ddd51df6ca
Signed-off-by: Daniel Rosenberg <drosen@google.com>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/fs.h | 9 | ||||
| -rw-r--r-- | include/linux/namei.h | 1 |
2 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index 15fbf4427..d248a4e0d 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1449,13 +1449,20 @@ extern bool inode_owner_or_capable(const struct inode *inode); * VFS helper functions.. */ extern int vfs_create(struct inode *, struct dentry *, umode_t, bool); +extern int vfs_create2(struct vfsmount *, struct inode *, struct dentry *, umode_t, bool); extern int vfs_mkdir(struct inode *, struct dentry *, umode_t); +extern int vfs_mkdir2(struct vfsmount *, struct inode *, struct dentry *, umode_t); extern int vfs_mknod(struct inode *, struct dentry *, umode_t, dev_t); +extern int vfs_mknod2(struct vfsmount *, struct inode *, struct dentry *, umode_t, dev_t); extern int vfs_symlink(struct inode *, struct dentry *, const char *); extern int vfs_link(struct dentry *, struct inode *, struct dentry *); +extern int vfs_link2(struct vfsmount *, struct dentry *, struct inode *, struct dentry *); extern int vfs_rmdir(struct inode *, struct dentry *); +extern int vfs_rmdir2(struct vfsmount *, struct inode *, struct dentry *); extern int vfs_unlink(struct inode *, struct dentry *); +extern int vfs_unlink2(struct vfsmount *, struct inode *, struct dentry *); extern int vfs_rename(struct inode *, struct dentry *, struct inode *, struct dentry *); +extern int vfs_rename2(struct vfsmount *, struct inode *, struct dentry *, struct inode *, struct dentry *); /* * VFS dentry helper functions. @@ -1560,6 +1567,7 @@ struct inode_operations { struct dentry * (*lookup) (struct inode *,struct dentry *, unsigned int); void * (*follow_link) (struct dentry *, struct nameidata *); int (*permission) (struct inode *, int); + int (*permission2) (struct vfsmount *, struct inode *, int); struct posix_acl * (*get_acl)(struct inode *, int); int (*readlink) (struct dentry *, char __user *,int); @@ -2236,6 +2244,7 @@ extern sector_t bmap(struct inode *, sector_t); extern int notify_change(struct dentry *, struct iattr *); extern int inode_permission(struct inode *, int); extern int generic_permission(struct inode *, int); +extern int inode_permission2(struct vfsmount *, struct inode *, int); static inline bool execute_ok(struct inode *inode) { diff --git a/include/linux/namei.h b/include/linux/namei.h index 5a5ff57ce..f10c7f29f 100644 --- a/include/linux/namei.h +++ b/include/linux/namei.h @@ -74,6 +74,7 @@ extern int vfs_path_lookup(struct dentry *, struct vfsmount *, const char *, unsigned int, struct path *); extern struct dentry *lookup_one_len(const char *, struct dentry *, int); +extern struct dentry *lookup_one_len2(const char *, struct vfsmount *mnt, struct dentry *, int); extern int follow_down_one(struct path *); extern int follow_down(struct path *); |