From: <andros@netapp.com>
To: <Trond.Myklebust@primarydata.com>
Cc: <Anna.Schumaker@netapp.com>, <bfields@fieldses.org>,
<linux-nfs@vger.kernel.org>, Andy Adamson <andros@netapp.com>
Subject: [PATCH 02/16] BTRFS: Use VFS copy offload helper
Date: Mon, 31 Aug 2015 15:49:52 -0400 [thread overview]
Message-ID: <1441050606-40897-3-git-send-email-andros@netapp.com> (raw)
In-Reply-To: <1441050606-40897-1-git-send-email-andros@netapp.com>
From: Andy Adamson <andros@netapp.com>
Signed-off-by: Andy Adamson <andros@netapp.com>
---
fs/btrfs/ioctl.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 62ae286..f8fa11f 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -3856,6 +3856,9 @@ ssize_t btrfs_copy_file_range(struct file *file_in, loff_t pos_in,
{
ssize_t ret;
+ ret = copy_offload_same_fs(file_in, file_out);
+ if (ret != 0)
+ return ret;
ret = btrfs_clone_files(file_out, file_in, pos_in, len, pos_out);
if (ret == 0)
ret = len;
--
1.8.3.1
next prev parent reply other threads:[~2015-08-31 19:50 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-31 19:49 [PATCH 00/16] NFSv4.2: Add support for inter-server to server COPY andros
2015-08-31 19:49 ` [PATCH 01/16] VFS: Separate cross fs check from vfs_copy_file_range andros
2015-08-31 19:49 ` andros [this message]
2015-08-31 19:49 ` [PATCH 03/16] VFS SQUASH use file_out instead of file_in for copy_file_range andros
2015-08-31 19:49 ` [PATCH 04/16] NFS COPY xdr changes andros
2015-08-31 19:49 ` [PATCH 05/16] NFS add same file check and flush source and destination for COPY andros
2015-08-31 19:49 ` [PATCH 06/16] NFS add inter ssc functions to nfs42proc andros
2015-08-31 19:49 ` [PATCH 07/16] NFS add COPY_NOTIFY operation andros
2015-08-31 19:49 ` [PATCH 08/16] NFSD add ca_source_server<> to COPY andros
2015-08-31 19:49 ` [PATCH 09/16] NFSD add COPY_NOTIFY operation andros
2015-08-31 19:50 ` [PATCH 10/16] NFS add ca_source_server<> to COPY andros
2015-08-31 19:50 ` [PATCH 11/16] NFSD generalize nfsd4_compound_state flag names andros
2015-08-31 19:50 ` [PATCH 12/16] NFSD: allow inter server COPY to have a STALE source server fh andros
2015-08-31 19:50 ` [PATCH 13/16] NFSD add nfs4 inter ssc to nfsd4_copy andros
2015-08-31 19:50 ` [PATCH 14/16] NFS in copy use stateid returned by copy_notify andros
2015-08-31 19:50 ` [PATCH 15/16] NFS always use openstateid in COPY_NOTIFY andros
2015-08-31 19:50 ` [PATCH 16/16] NFSD: extra stateid checking in read for interserver copy andros
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