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nfs41: add range to layoutreturn args 

So that callers can specify which range to return.

Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <loghyr@primarydata.com>
hifive-unleashed-5.1
Peng Tao 2014-11-17 09:30:36 +08:00 committed by Tom Haynes
parent ceb11e13df
commit 15eb67c153
3 changed files with 7 additions and 5 deletions
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6
fs/nfs/nfs4xdr.c
View File

@ -2012,11 +2012,11 @@ encode_layoutreturn(struct xdr_stream *xdr,
p = reserve_space(xdr, 16);
*p++ = cpu_to_be32(0); /* reclaim. always 0 for now */
*p++ = cpu_to_be32(args->layout_type);
*p++ = cpu_to_be32(args->iomode);
*p++ = cpu_to_be32(args->range.iomode);
*p = cpu_to_be32(RETURN_FILE);
p = reserve_space(xdr, 16);
p = xdr_encode_hyper(p, 0);
p = xdr_encode_hyper(p, NFS4_MAX_UINT64);
p = xdr_encode_hyper(p, args->range.offset);
p = xdr_encode_hyper(p, args->range.length);
spin_lock(&args->inode->i_lock);
encode_nfs4_stateid(xdr, &args->stateid);
spin_unlock(&args->inode->i_lock);

4
fs/nfs/pnfs.c
View File

@ -916,7 +916,9 @@ pnfs_send_layoutreturn(struct pnfs_layout_hdr *lo, nfs4_stateid stateid,
lrp->args.stateid = stateid;
lrp->args.layout_type = NFS_SERVER(ino)->pnfs_curr_ld->id;
lrp->args.inode = ino;
lrp->args.iomode = iomode;
lrp->args.range.iomode = iomode;
lrp->args.range.offset = 0;
lrp->args.range.length = NFS4_MAX_UINT64;
lrp->args.layout = lo;
lrp->clp = NFS_SERVER(ino)->nfs_client;
lrp->cred = lo->plh_lc_cred;

2
include/linux/nfs_xdr.h
View File

@ -293,7 +293,7 @@ struct nfs4_layoutreturn_args {
struct nfs4_sequence_args seq_args;
struct pnfs_layout_hdr *layout;
struct inode *inode;
enum pnfs_iomode iomode;
struct pnfs_layout_range range;
nfs4_stateid stateid;
__u32 layout_type;
};