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From: Miklos Szeredi <mszeredi@redhat.com>
To: linux-fsdevel@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, Al Viro <viro@zeniv.linux.org.uk>,
	David Howells <dhowells@redhat.com>,
	Ilya Dryomov <idryomov@gmail.com>, "Yan, Zheng" <zyan@redhat.com>,
	Sage Weil <sage@redhat.com>
Subject: [PATCH 01/10] ceph: honor AT_STATX_DONT_SYNC
Date: Wed, 20 Sep 2017 10:39:56 +0200	[thread overview]
Message-ID: <1505896805-12055-2-git-send-email-mszeredi@redhat.com> (raw)
In-Reply-To: <1505896805-12055-1-git-send-email-mszeredi@redhat.com>

The description of this flag says "Don't sync attributes with the server".
In other words: always use the attributes cached in the kernel and don't
send network or local messages to refresh the attributes.

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Cc: Ilya Dryomov <idryomov@gmail.com>
Cc: "Yan, Zheng" <zyan@redhat.com>
Cc: Sage Weil <sage@redhat.com>
---
 fs/ceph/inode.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 373dab5173ca..723002f6b060 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -2201,9 +2201,11 @@ int ceph_getattr(const struct path *path, struct kstat *stat,
 {
 	struct inode *inode = d_inode(path->dentry);
 	struct ceph_inode_info *ci = ceph_inode(inode);
-	int err;
+	int err = 0;
+
+	if (!(flags & AT_STATX_DONT_SYNC))
+		err = ceph_do_getattr(inode, CEPH_STAT_CAP_INODE_ALL, false);
 
-	err = ceph_do_getattr(inode, CEPH_STAT_CAP_INODE_ALL, false);
 	if (!err) {
 		generic_fillattr(inode, stat);
 		stat->ino = ceph_translate_ino(inode->i_sb, inode->i_ino);
-- 
2.5.5

  reply	other threads:[~2017-09-20  8:43 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-20  8:39 [PATCH 00/10] honor AT_STATX_DONT_SYNC in netfs Miklos Szeredi
2017-09-20  8:39 ` Miklos Szeredi [this message]
2017-09-20  8:39 ` [PATCH 02/10] cifs: honor AT_STATX_DONT_SYNC Miklos Szeredi
2017-09-21 18:14   ` Steve French
     [not found]     ` <CAH2r5mtNGzVsoKw49zxButMNfwTtx1H4CFe9o9=mCxhCHZVFuw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-09-21 18:14       ` Fwd: " Steve French
2017-09-20  8:39 ` [PATCH 03/10] coda: " Miklos Szeredi
2017-09-20 20:04   ` Jan Harkes
2017-09-21 12:45     ` Miklos Szeredi
2017-09-20  8:39 ` [PATCH 04/10] fuse: " Miklos Szeredi
2017-09-20  8:40 ` [PATCH 05/10] gfs2: " Miklos Szeredi
2017-09-20  8:40 ` [PATCH 06/10] lustre: " Miklos Szeredi
2017-09-20  8:40 ` [PATCH 07/10] nfs: " Miklos Szeredi
2017-09-20  8:40 ` [PATCH 08/10] ocfs2: " Miklos Szeredi
2017-09-20  8:40 ` [PATCH 09/10] orangefs: " Miklos Szeredi
2017-09-20  8:40 ` [PATCH 10/10] 9p: " Miklos Szeredi

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