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pnfs: write: Set mds_offset in the generic layer - it is needed by all LDs 

In current pnfs tree, all the layouts set mds_offset in their
.write_pagelist member.
mds_offset is only used by generic layer and should be handled by it.

This patch is for upstream. It is needed in this -rc series to fix a
bug in objects layout_commit.

I'll send patches for objects and blocks to be
squashed into current pnfs tree.

TODO: It looks like the read path needs the same patch.

Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Boaz Harrosh 2011-06-16 11:35:46 -04:00 committed by Trond Myklebust
parent b0af8dfdd6
commit 2bea038c52
2 changed files with 2 additions and 1 deletions
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1
fs/nfs/nfs4filelayout.c
View File

@ -398,7 +398,6 @@ filelayout_write_pagelist(struct nfs_write_data *data, int sync)
* this offset and save the original offset.
*/
data->args.offset = filelayout_get_dserver_offset(lseg, offset);
data->mds_offset = offset;
/* Perform an asynchronous write */
status = nfs_initiate_write(data, ds->ds_clp->cl_rpcclient,

2
fs/nfs/write.c
View File

@ -864,6 +864,8 @@ static int nfs_write_rpcsetup(struct nfs_page *req,
data->args.fh = NFS_FH(inode);
data->args.offset = req_offset(req) + offset;
/* pnfs_set_layoutcommit needs this */
data->mds_offset = data->args.offset;
data->args.pgbase = req->wb_pgbase + offset;
data->args.pages = data->pagevec;
data->args.count = count;