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From: Jeff Layton <jlayton@kernel.org>
To: linux-fsdevel@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk,
	linux-nfs@vger.kernel.org, bfields@fieldses.org, neilb@suse.de,
	jack@suse.de, linux-ext4@vger.kernel.org, tytso@mit.edu,
	adilger.kernel@dilger.ca, linux-xfs@vger.kernel.org,
	darrick.wong@oracle.com, david@fromorbit.com,
	linux-btrfs@vger.kernel.org, clm@fb.com, jbacik@fb.com,
	dsterba@suse.com, linux-integrity@vger.kernel.org,
	zohar@linux.vnet.ibm.com, dmitry.kasatkin@gmail.com,
	linux-afs@lists.infradead.org, dhowells@redhat.com,
	jaltman@auristor.com
Subject: [PATCH v4 05/19] afs: convert to new i_version API
Date: Fri, 22 Dec 2017 07:05:42 -0500
Message-ID: <20171222120556.7435-6-jlayton@kernel.org> (raw)
In-Reply-To: <20171222120556.7435-1-jlayton@kernel.org>

From: Jeff Layton <jlayton@redhat.com>

For AFS, it's generally treated as an opaque value, so we use the
*_raw variants of the API here.

Note that AFS has quite a different definition for this counter. AFS
only increments it on changes to the data, not for the metadata. We'll
need to reconcile that somehow if we ever want to present this to
userspace via statx.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
---
 fs/afs/fsclient.c | 3 ++-
 fs/afs/inode.c    | 5 +++--
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/fs/afs/fsclient.c b/fs/afs/fsclient.c
index b90ef39ae914..88ec38c2d83c 100644
--- a/fs/afs/fsclient.c
+++ b/fs/afs/fsclient.c
@@ -13,6 +13,7 @@
 #include <linux/slab.h>
 #include <linux/sched.h>
 #include <linux/circ_buf.h>
+#include <linux/iversion.h>
 #include "internal.h"
 #include "afs_fs.h"
 
@@ -124,7 +125,7 @@ static void xdr_decode_AFSFetchStatus(const __be32 **_bp,
 		vnode->vfs_inode.i_ctime.tv_sec	= status->mtime_client;
 		vnode->vfs_inode.i_mtime	= vnode->vfs_inode.i_ctime;
 		vnode->vfs_inode.i_atime	= vnode->vfs_inode.i_ctime;
-		vnode->vfs_inode.i_version	= data_version;
+		inode_set_iversion_raw(&vnode->vfs_inode, data_version);
 	}
 
 	expected_version = status->data_version;
diff --git a/fs/afs/inode.c b/fs/afs/inode.c
index 3415eb7484f6..dcd2e08d6cdb 100644
--- a/fs/afs/inode.c
+++ b/fs/afs/inode.c
@@ -21,6 +21,7 @@
 #include <linux/sched.h>
 #include <linux/mount.h>
 #include <linux/namei.h>
+#include <linux/iversion.h>
 #include "internal.h"
 
 static const struct inode_operations afs_symlink_inode_operations = {
@@ -89,7 +90,7 @@ static int afs_inode_map_status(struct afs_vnode *vnode, struct key *key)
 	inode->i_atime		= inode->i_mtime = inode->i_ctime;
 	inode->i_blocks		= 0;
 	inode->i_generation	= vnode->fid.unique;
-	inode->i_version	= vnode->status.data_version;
+	inode_set_iversion_raw(inode, vnode->status.data_version);
 	inode->i_mapping->a_ops	= &afs_fs_aops;
 
 	read_sequnlock_excl(&vnode->cb_lock);
@@ -218,7 +219,7 @@ struct inode *afs_iget_autocell(struct inode *dir, const char *dev_name,
 	inode->i_ctime.tv_nsec	= 0;
 	inode->i_atime		= inode->i_mtime = inode->i_ctime;
 	inode->i_blocks		= 0;
-	inode->i_version	= 0;
+	inode_set_iversion_raw(inode, 0);
 	inode->i_generation	= 0;
 
 	set_bit(AFS_VNODE_PSEUDODIR, &vnode->flags);
-- 
2.14.3


  parent reply index

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-22 12:05 [PATCH v4 00/19] fs: rework and optimize i_version handling in filesystems Jeff Layton
2017-12-22 12:05 ` [PATCH v4 01/19] fs: new API for handling inode->i_version Jeff Layton
2017-12-22 23:14   ` NeilBrown
2017-12-22 23:54     ` Jeff Layton
2018-01-02 17:01       ` Jan Kara
2017-12-22 12:05 ` [PATCH v4 02/19] fs: don't take the i_lock in inode_inc_iversion Jeff Layton
2017-12-22 12:05 ` [PATCH v4 03/19] fat: convert to new i_version API Jeff Layton
2017-12-22 12:05 ` [PATCH v4 04/19] affs: " Jeff Layton
2017-12-22 12:05 ` Jeff Layton [this message]
2017-12-22 12:05 ` [PATCH v4 06/19] btrfs: " Jeff Layton
2017-12-22 12:05 ` [PATCH v4 07/19] exofs: switch " Jeff Layton
2017-12-22 12:05 ` [PATCH v4 08/19] ext2: convert " Jeff Layton
2017-12-22 12:05 ` [PATCH v4 09/19] ext4: " Jeff Layton
2017-12-22 12:05 ` [PATCH v4 10/19] nfs: " Jeff Layton
2017-12-22 12:05 ` [PATCH v4 11/19] nfsd: " Jeff Layton
2017-12-22 12:05 ` [PATCH v4 12/19] ocfs2: " Jeff Layton
2017-12-22 12:05 ` [PATCH v4 13/19] ufs: use " Jeff Layton
2017-12-22 12:05 ` [PATCH v4 14/19] xfs: convert to " Jeff Layton
2017-12-23  0:05   ` Darrick J. Wong
2017-12-22 12:05 ` [PATCH v4 15/19] IMA: switch IMA over " Jeff Layton
2017-12-22 12:05 ` [PATCH v4 16/19] fs: only set S_VERSION when updating times if necessary Jeff Layton
2018-01-02 16:50   ` Jan Kara
2017-12-22 12:05 ` [PATCH v4 17/19] xfs: avoid setting XFS_ILOG_CORE if i_version doesn't need incrementing Jeff Layton
2017-12-23  0:07   ` Darrick J. Wong
2017-12-22 12:05 ` [PATCH v4 18/19] btrfs: only dirty the inode in btrfs_update_time if something was changed Jeff Layton
2017-12-22 12:05 ` [PATCH v4 19/19] fs: handle inode->i_version more efficiently Jeff Layton
2018-01-02 17:00   ` Jan Kara
2018-01-02 17:20 ` [PATCH v4 05/19] afs: convert to new i_version API David Howells

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