.c linux-2.6.27-rc7-lockfs-gfs2/fs/gfs2/ops_super.c
@@ -161,18 +161,18 @@ static int gfs2_sync_fs(struct super_blo
}
/**
- * gfs2_write_super_lockfs - prevent further writes to the filesystem
+ * gfs2_freeze - prevent further writes to the filesystem
* @sb: the VFS structure for the filesystem
*
*/
-static void gfs2_write_super_lockfs(struct super_block *sb)
+static int gfs2_freeze(struct super_block *sb)
{
struct gfs2_sbd *sdp = sb->s_fs_info;
int error;
if (test_bit(SDF_SHUTDOWN, &sdp->sd_flags))
- return;
+ return -EINVAL;
for (;;) {
error = gfs2_freeze_fs(sdp);
@@ -192,17 +192,19 @@ static void gfs2_write_super_lockfs(stru
fs_err(sdp, "retrying...\n");
msleep(1000);
}
+ return 0;
}
/**
- * gfs2_unlockfs - reallow writes to the filesystem
+ * gfs2_unfreeze - reallow writes to the filesystem
* @sb: the VFS structure for the filesystem
*
*/
-static void gfs2_unlockfs(struct super_block *sb)
+static int gfs2_unfreeze(struct super_block *sb)
{
gfs2_unfreeze_fs(sb->s_fs_info);
+ return 0;
}
/**
@@ -505,8 +507,8 @@ const struct super_operations gfs2_super
.put_super = gfs2_put_super,
.write_super = gfs2_write_super,
.sync_fs = gfs2_sync_fs,
- .write_super_lockfs = gfs2_write_super_lockfs,
- .unlockfs = gfs2_unlockfs,
+ .freeze_fs = gfs2_freeze,
+ .unfreeze_fs = gfs2_unfreeze,
.statfs = gfs2_statfs,
.remount_fs = gfs2_remount_fs,
.clear_inode = gfs2_clear_inode,