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authorMiklos Szeredi <mszeredi@suse.cz>2014-10-24 00:14:35 +0200
committerMiklos Szeredi <mszeredi@suse.cz>2014-10-24 00:14:35 +0200
commitbd5d08569cc379f8366663a61558a9ce17c2e460 (patch)
tree8408b3137f09f09f0906bbd91d3f700f956341b5
parent1c118596a7682912106c80007102ce0184c77780 (diff)
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 <mszeredi@suse.cz>
-rw-r--r--fs/internal.h1
-rw-r--r--fs/namei.c1
-rw-r--r--include/linux/fs.h1
3 files changed, 2 insertions, 1 deletions
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)