From bd5d08569cc379f8366663a61558a9ce17c2e460 Mon Sep 17 00:00:00 2001 From: Miklos Szeredi Date: Fri, 24 Oct 2014 00:14:35 +0200 Subject: [PATCH] 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: Miklos Szeredi --- fs/internal.h | 1 - fs/namei.c | 1 + include/linux/fs.h | 1 + 3 files changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/internal.h b/fs/internal.h index 0f0626a6997c..757ba2abf21e 100644 --- a/fs/internal.h +++ b/fs/internal.h @@ -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 *); diff --git a/fs/namei.c b/fs/namei.c index 75306b3c9526..d944f6db9b07 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -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 diff --git a/include/linux/fs.h b/include/linux/fs.h index 10ed65b2c31d..5419df70a835 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -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) -- 2.45.2