Gitweb: http://git.kernel.org/linus/ad43ffdeea0a7bd3e6036c4aeec2e6699aef8ac7
Commit: ad43ffdeea0a7bd3e6036c4aeec2e6699aef8ac7
Parent: 7fbc6df0e7a561a313f49faa77829d5de45a97f8
Author: Christoph Hellwig <hch@lst.de>
AuthorDate: Mon Jun 8 10:07:45 2009 +0200
Committer: Al Viro <viro@zeniv.linux.org.uk>
CommitDate: Thu Jun 11 21:36:16 2009 -0400
sysv: add ->sync_fs
Add a ->sync_fs method for data integrity syncs, and reimplement
->write_super ontop of it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
fs/sysv/inode.c | 19 +++++++++++++------
1 files changed, 13 insertions(+), 6 deletions(-)
diff --git a/fs/sysv/inode.c b/fs/sysv/inode.c
index 425c976..4799234 100644
--- a/fs/sysv/inode.c
+++ b/fs/sysv/inode.c
@@ -31,16 +31,13 @@
#include <asm/byteorder.h>
#include "sysv.h"
-/* This is only called on sync() and umount(), when s_dirt=1. */
-static void sysv_write_super(struct super_block *sb)
+static int sysv_sync_fs(struct super_block *sb, int wait)
{
struct sysv_sb_info *sbi = SYSV_SB(sb);
unsigned long time = get_seconds(), old_time;
lock_super(sb);
lock_kernel();
- if (sb->s_flags & MS_RDONLY)
- goto clean;
/*
* If we are going to write out the super block,
@@ -54,10 +51,19 @@ static void sysv_write_super(struct super_block *sb)
*sbi->s_sb_time = cpu_to_fs32(sbi, time);
mark_buffer_dirty(sbi->s_bh2);
}
-clean:
- sb->s_dirt = 0;
+
unlock_kernel();
unlock_super(sb);
+
+ return 0;
+}
+
+static void sysv_write_super(struct super_block *sb)
+{
+ if (!(sb->s_flags & MS_RDONLY))
+ sysv_sync_fs(sb, 1);
+ else
+ sb->s_dirt = 0;
}
static int sysv_remount(struct super_block *sb, int *flags, char *data)
@@ -345,6 +351,7 @@ const struct super_operations sysv_sops = {
.delete_inode = sysv_delete_inode,
.put_super = sysv_put_super,
.write_super = sysv_write_super,
+ .sync_fs = sysv_sync_fs,
.remount_fs = sysv_remount,
.statfs = sysv_statfs,
};
--
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