Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit bd5d0856 authored by Miklos Szeredi's avatar Miklos Szeredi
Browse files

vfs: export __inode_permission() to modules 



We need to be able to check inode permissions (but not filesystem implied
permissions) for stackable filesystems.  Expose this interface for overlayfs.

Signed-off-by: default avatarMiklos Szeredi <mszeredi@suse.cz>
parent 1c118596

fs/internal.h

+0 −1
Original line number Diff line number Diff line
@@ -47,7 +47,6 @@ extern void __init chrdev_init(void); 
/*

 * namei.c

 */

extern int __inode_permission(struct inode *, int);

extern int user_path_mountpoint_at(int, const char __user *, unsigned int, struct path *);

extern int vfs_path_lookup(struct dentry *, struct vfsmount *,

			   const char *, unsigned int, struct path *);

fs/namei.c

+1 −0
Original line number Diff line number Diff line
@@ -416,6 +416,7 @@ int __inode_permission(struct inode *inode, int mask) 


	return security_inode_permission(inode, mask);

}

EXPORT_SYMBOL(__inode_permission);



/**

 * sb_permission - Check superblock-level permissions

include/linux/fs.h

+1 −0
Original line number Diff line number Diff line
@@ -2257,6 +2257,7 @@ extern sector_t bmap(struct inode *, sector_t); 
#endif

extern int notify_change(struct dentry *, struct iattr *, struct inode **);

extern int inode_permission(struct inode *, int);

extern int __inode_permission(struct inode *, int);

extern int generic_permission(struct inode *, int);



static inline bool execute_ok(struct inode *inode)