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authorMiklos Szeredi <mszeredi@redhat.com>2016-10-04 14:40:45 +0200
committerMiklos Szeredi <mszeredi@redhat.com>2016-10-14 11:16:47 +0200
commitd60874cd58fcb21372f2df698c20f8cf2f78fdcb (patch)
treeeade1cfdc44321b875a51d1beef4042e9e657165 /include/linux/fs.h
parent78a3fa4f3249055b472983065b30c02392cf7e2a (diff)
vfs: add vfs_get_link() helper
This helper is for filesystems that want to read the symlink and are better off with the get_link() interface (returning a char *) rather than the readlink() interface (copy into a userspace buffer). Also call the LSM hook for readlink (not get_link) since this is for symlink reading not following. Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'include/linux/fs.h')
-rw-r--r--include/linux/fs.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 901e25d495cc..bc8ac5108368 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2919,6 +2919,7 @@ extern int vfs_stat(const char __user *, struct kstat *);
extern int vfs_lstat(const char __user *, struct kstat *);
extern int vfs_fstat(unsigned int, struct kstat *);
extern int vfs_fstatat(int , const char __user *, struct kstat *, int);
+extern const char *vfs_get_link(struct dentry *, struct delayed_call *);
extern int __generic_block_fiemap(struct inode *inode,
struct fiemap_extent_info *fieinfo,