From: Miklos Szeredi <mszeredi@xxxxxxx> 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: Miklos Szeredi <mszeredi@xxxxxxx> --- fs/internal.h | 5 ----- fs/namei.c | 1 + include/linux/fs.h | 1 + 3 files changed, 2 insertions(+), 5 deletions(-) diff --git a/fs/internal.h b/fs/internal.h index 507141f..89481ac 100644 --- a/fs/internal.h +++ b/fs/internal.h @@ -42,11 +42,6 @@ static inline int __sync_blockdev(struct block_device *bdev, int wait) extern void __init chrdev_init(void); /* - * namei.c - */ -extern int __inode_permission(struct inode *, int); - -/* * namespace.c */ extern int copy_mount_options(const void __user *, unsigned long *); diff --git a/fs/namei.c b/fs/namei.c index c1c0c15..e1cffbd 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -402,6 +402,7 @@ int __inode_permission(struct inode *inode, int mask) return security_inode_permission(inode, mask); } +EXPORT_SYMBOL(__inode_permission); /** * sb_permission - Check superblock-level permissions diff --git a/include/linux/fs.h b/include/linux/fs.h index 891c93d..fd98a86 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2213,6 +2213,7 @@ extern sector_t bmap(struct inode *, sector_t); #endif extern int notify_change(struct dentry *, struct iattr *); 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) -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
