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Commit 2d9c98ae authored by Sage Weil's avatar Sage Weil
Browse files

ceph: make ->sync_fs not wait if wait==0 



The ->sync_fs() super op only needs to wait if wait is true.  Otherwise,
just get some dirty cap writeback started.

Signed-off-by: default avatarSage Weil <sage@newdream.net>
parent b8cd07e7

fs/ceph/super.c

+13 −4
Original line number Diff line number Diff line
@@ -102,12 +102,21 @@ static int ceph_statfs(struct dentry *dentry, struct kstatfs *buf) 
}





static int ceph_syncfs(struct super_block *sb, int wait)

static int ceph_sync_fs(struct super_block *sb, int wait)

{

	dout("sync_fs %d\n", wait);

	struct ceph_client *client = ceph_sb_to_client(sb);



	if (!wait) {

		dout("sync_fs (non-blocking)\n");

		ceph_flush_dirty_caps(&client->mdsc);

		dout("sync_fs (non-blocking) done\n");

		return 0;

	}



	dout("sync_fs (blocking)\n");

	ceph_osdc_sync(&ceph_sb_to_client(sb)->osdc);

	ceph_mdsc_sync(&ceph_sb_to_client(sb)->mdsc);

	dout("sync_fs %d done\n", wait);

	dout("sync_fs (blocking) done\n");

	return 0;

}
@@ -278,7 +287,7 @@ static const struct super_operations ceph_super_ops = { 
	.alloc_inode	= ceph_alloc_inode,

	.destroy_inode	= ceph_destroy_inode,

	.write_inode    = ceph_write_inode,

	.sync_fs        = ceph_syncfs,

	.sync_fs        = ceph_sync_fs,

	.put_super	= ceph_put_super,

	.show_options   = ceph_show_options,

	.statfs		= ceph_statfs,