CRED: Use creds in file structs

Attach creds to file structs and discard f_uid/f_gid.

file_operations::open() methods (such as hppfs_open()) should use file->f_cred
rather than current_cred().  At the moment file->f_cred will be current_cred()
at this point.

Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: James Morris <jmorris@namei.org>
Signed-off-by: James Morris <jmorris@namei.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 3bfec1327b8d..c0fb6d81d89b 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -827,7 +827,7 @@ struct file {
         fmode_t                 f_mode;
         loff_t                  f_pos;
         struct fown_struct      f_owner;
-        unsigned int            f_uid, f_gid;
+        const struct cred       *f_cred;
         struct file_ra_state    f_ra;
 
         u64                     f_version;