linux-kernel - [PATCH 31/67] cachefiles: Don't use XATTR_ flags with vfs

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Message-ID: <163456913173.2614702.12279776553978969628.stgit@warthog.procyon.org.uk>
Date:   Mon, 18 Oct 2021 15:58:51 +0100
From:   David Howells <dhowells@...hat.com>
To:     linux-cachefs@...hat.com
Cc:     dhowells@...hat.com, Trond Myklebust <trondmy@...merspace.com>,
        Anna Schumaker <anna.schumaker@...app.com>,
        Steve French <sfrench@...ba.org>,
        Dominique Martinet <asmadeus@...ewreck.org>,
        Jeff Layton <jlayton@...hat.com>,
        Matthew Wilcox <willy@...radead.org>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Omar Sandoval <osandov@...ndov.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-afs@...ts.infradead.org, linux-nfs@...r.kernel.org,
        linux-cifs@...r.kernel.org, ceph-devel@...r.kernel.org,
        v9fs-developer@...ts.sourceforge.net,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 31/67] cachefiles: Don't use XATTR_ flags with vfs_setxattr()

Don't pass XATTR_CREATE/XATTR_REPLACE to vfs_setxattr(); just pass 0 as we
don't want to have to deal with the error or try to guess which we want to
use.

Signed-off-by: David Howells <dhowells@...hat.com>
---

 fs/cachefiles/interface.c |    2 +-
 fs/cachefiles/internal.h  |    3 +--
 fs/cachefiles/namei.c     |    2 +-
 fs/cachefiles/xattr.c     |    6 ++----
 4 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/fs/cachefiles/interface.c b/fs/cachefiles/interface.c
index 3e678ab14c85..674d3d75fa70 100644
--- a/fs/cachefiles/interface.c
+++ b/fs/cachefiles/interface.c
@@ -132,7 +132,7 @@ static void cachefiles_update_object(struct cachefiles_object *object)
 	cache = container_of(object->cache, struct cachefiles_cache, cache);
 
 	cachefiles_begin_secure(cache, &saved_cred);
-	cachefiles_set_object_xattr(object, XATTR_REPLACE);
+	cachefiles_set_object_xattr(object);
 	cachefiles_end_secure(cache, saved_cred);
 	_leave("");
 }
diff --git a/fs/cachefiles/internal.h b/fs/cachefiles/internal.h
index ff00c5249f4f..92f90a5a4e93 100644
--- a/fs/cachefiles/internal.h
+++ b/fs/cachefiles/internal.h
@@ -162,8 +162,7 @@ static inline void cachefiles_end_secure(struct cachefiles_cache *cache,
 /*
  * xattr.c
  */
-extern int cachefiles_set_object_xattr(struct cachefiles_object *object,
-				       unsigned int xattr_flags);
+extern int cachefiles_set_object_xattr(struct cachefiles_object *object);
 extern int cachefiles_check_auxdata(struct cachefiles_object *object);
 extern int cachefiles_remove_object_xattr(struct cachefiles_cache *cache,
 					  struct dentry *dentry);
diff --git a/fs/cachefiles/namei.c b/fs/cachefiles/namei.c
index a60ef6f1cf1e..cb08be5fb28e 100644
--- a/fs/cachefiles/namei.c
+++ b/fs/cachefiles/namei.c
@@ -291,7 +291,7 @@ static int cachefiles_check_open_object(struct cachefiles_cache *cache,
 
 	if (object->new) {
 		/* attach data to a newly constructed terminal object */
-		ret = cachefiles_set_object_xattr(object, XATTR_CREATE);
+		ret = cachefiles_set_object_xattr(object);
 		if (ret < 0)
 			goto error_unmark;
 	} else {
diff --git a/fs/cachefiles/xattr.c b/fs/cachefiles/xattr.c
index bfb2f4d605af..82c822bb71af 100644
--- a/fs/cachefiles/xattr.c
+++ b/fs/cachefiles/xattr.c
@@ -26,8 +26,7 @@ static const char cachefiles_xattr_cache[] =
 /*
  * set the state xattr on a cache file
  */
-int cachefiles_set_object_xattr(struct cachefiles_object *object,
-				unsigned int xattr_flags)
+int cachefiles_set_object_xattr(struct cachefiles_object *object)
 {
 	struct cachefiles_xattr *buf;
 	struct dentry *dentry;
@@ -51,8 +50,7 @@ int cachefiles_set_object_xattr(struct cachefiles_object *object,
 
 	clear_bit(FSCACHE_COOKIE_AUX_UPDATED, &object->cookie->flags);
 	ret = vfs_setxattr(&init_user_ns, dentry, cachefiles_xattr_cache,
-			   buf, sizeof(struct cachefiles_xattr) + len,
-			   xattr_flags);
+			   buf, sizeof(struct cachefiles_xattr) + len, 0);
 	if (ret < 0) {
 		trace_cachefiles_coherency(object, file_inode(file)->i_ino,
 					   0,