From: Christoph Hellwig <hch@lst.de>
To: viro@zeniv.linux.org.uk
Cc: linux-fsdevel@vger.kernel.org
Subject: [PATCH 3/12] exofs: add ->sync_fs
Date: Mon, 8 Jun 2009 10:03:58 +0200 [thread overview]
Message-ID: <20090608080358.GD20735@lst.de> (raw)
In-Reply-To: <20090608080252.GA20735@lst.de>
Add a ->sync_fs method for data integrity syncs, and reimplement
->write_super ontop of it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Index: vfs-2.6/fs/exofs/super.c
===================================================================
--- vfs-2.6.orig/fs/exofs/super.c 2009-06-05 15:59:08.521843147 +0200
+++ vfs-2.6/fs/exofs/super.c 2009-06-05 16:02:20.687950326 +0200
@@ -200,18 +200,18 @@ static const struct export_operations ex
/*
* Write the superblock to the OSD
*/
-static void exofs_write_super(struct super_block *sb)
+static int exofs_sync_fs(struct super_block *sb, int wait)
{
struct exofs_sb_info *sbi;
struct exofs_fscb *fscb;
struct osd_request *or;
struct osd_obj_id obj;
- int ret;
+ int ret = -ENOMEM;
fscb = kzalloc(sizeof(struct exofs_fscb), GFP_KERNEL);
if (!fscb) {
EXOFS_ERR("exofs_write_super: memory allocation failed.\n");
- return;
+ return -ENOMEM;
}
lock_super(sb);
@@ -249,6 +249,15 @@ out:
unlock_kernel();
unlock_super(sb);
kfree(fscb);
+ return ret;
+}
+
+static void exofs_write_super(struct super_block *sb)
+{
+ if (!(sb->s_flags & MS_RDONLY))
+ exofs_sync_fs(sb, 1);
+ else
+ sb->s_dirt = 0;
}
/*
@@ -493,6 +502,7 @@ static const struct super_operations exo
.delete_inode = exofs_delete_inode,
.put_super = exofs_put_super,
.write_super = exofs_write_super,
+ .sync_fs = exofs_sync_fs,
.statfs = exofs_statfs,
};
next prev parent reply other threads:[~2009-06-08 8:03 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-08 8:02 [PATCH 0/12] make ->sync_fs mandatory Christoph Hellwig
2009-06-08 8:03 ` [PATCH 1/12] affs: add ->sync_fs Christoph Hellwig
2009-06-08 8:03 ` [PATCH 2/12] bfs: " Christoph Hellwig
2009-06-08 8:03 ` Christoph Hellwig [this message]
2009-06-09 13:03 ` [PATCH 3/12] exofs: " Boaz Harrosh
2009-06-08 8:04 ` [PATCH 4/12] ext2: " Christoph Hellwig
2009-06-08 8:04 ` [PATCH 0/12] make ->sync_fs mandatory Christoph Hellwig
2009-06-08 8:04 ` [PATCH 6/12] hfs: add ->sync_fs Christoph Hellwig
2009-06-08 8:05 ` [PATCH 7/12] hfsplus: " Christoph Hellwig
2009-06-08 8:07 ` [PATCH 8/12] sysv: " Christoph Hellwig
2009-06-08 8:08 ` [PATCH 9/12] ufs: " Christoph Hellwig
2009-06-08 8:08 ` [PATCH 10/12] jffs2: call jffs2_write_super from jffs2_sync_fs Christoph Hellwig
2009-06-08 8:08 ` [PATCH 11/12] nilfs2: call nilfs2_write_super from nilfs2_sync_fs Christoph Hellwig
2009-06-08 8:08 ` [PATCH 12/12] remove the call to ->write_super in __sync_filesystem Christoph Hellwig
2009-06-08 14:45 ` [PATCH 0/12] make ->sync_fs mandatory Al Viro
2009-06-09 12:55 ` Boaz Harrosh
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