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OpenCloudOS-Kernel
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NFS: also send OFFLOAD_CANCEL to source server 

In case of copy is cancelled, also send OFFLOAD_CANCEL to the source
server.

Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
This commit is contained in:
Olga Kornievskaia 2019-07-02 14:57:25 -04:00 committed by Olga Kornievskaia
parent 6b61c969d5
commit 124060255d
1 changed files with 8 additions and 4 deletions
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12
fs/nfs/nfs42proc.c
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@ -206,12 +206,14 @@ out:
memcpy(&res->write_res.verifier, &copy->verf, sizeof(copy->verf));
status = -copy->error;
out_free:
kfree(copy);
return status;
out_cancel:
nfs42_do_offload_cancel_async(dst, &copy->stateid);
kfree(copy);
return status;
if (!nfs42_files_from_same_server(src, dst))
nfs42_do_offload_cancel_async(src, src_stateid);
goto out_free;
}
static int process_copy_commit(struct file *dst, loff_t pos_dst,
@ -381,7 +383,8 @@ ssize_t nfs42_proc_copy(struct file *src, loff_t pos_src,
if (err >= 0)
break;
if (err == -ENOTSUPP) {
if (err == -ENOTSUPP &&
nfs42_files_from_same_server(src, dst)) {
err = -EOPNOTSUPP;
break;
} else if (err == -EAGAIN) {
@ -392,7 +395,8 @@ ssize_t nfs42_proc_copy(struct file *src, loff_t pos_src,
dst_exception.retry = 1;
continue;
} else if ((err == -ESTALE ||
err == -NFS4ERR_OFFLOAD_DENIED) &&
err == -NFS4ERR_OFFLOAD_DENIED ||
err == -ENOTSUPP) &&
!nfs42_files_from_same_server(src, dst)) {
nfs42_do_offload_cancel_async(src, &args.src_stateid);
err = -EOPNOTSUPP;