From: Peng Tao <tao.peng@xxxxxxxxxxxxxxx>
So that callers can specify which range to return.
Signed-off-by: Peng Tao <tao.peng@xxxxxxxxxxxxxxx>
Signed-off-by: Tom Haynes <loghyr@xxxxxxxxxxxxxxx>
---
fs/nfs/nfs4xdr.c | 6 +++---
fs/nfs/pnfs.c | 14 +++++++++-----
include/linux/nfs_xdr.h | 2 +-
3 files changed, 13 insertions(+), 9 deletions(-)
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 3c3ff63..56d4c91 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -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);
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 685af4f..63beace 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -52,7 +52,7 @@ static LIST_HEAD(pnfs_modules_tbl);
static int
pnfs_send_layoutreturn(struct pnfs_layout_hdr *lo, nfs4_stateid stateid,
- enum pnfs_iomode iomode);
+ enum pnfs_iomode iomode, u64 offset, u64 length);
/* Return the registered pnfs layout driver module matching given id */
static struct pnfs_layoutdriver_type *
@@ -392,7 +392,8 @@ pnfs_put_lseg(struct pnfs_layout_segment *lseg)
spin_unlock(&inode->i_lock);
pnfs_free_lseg(lseg);
if (need_return)
- pnfs_send_layoutreturn(lo, stateid, iomode);
+ pnfs_send_layoutreturn(lo, stateid, iomode, 0,
+ NFS4_MAX_UINT64);
else
pnfs_put_layout_hdr(lo);
}
@@ -897,7 +898,7 @@ static void pnfs_clear_layoutcommit(struct inode *inode,
static int
pnfs_send_layoutreturn(struct pnfs_layout_hdr *lo, nfs4_stateid stateid,
- enum pnfs_iomode iomode)
+ enum pnfs_iomode iomode, u64 offset, u64 length)
{
struct inode *ino = lo->plh_inode;
struct nfs4_layoutreturn *lrp;
@@ -916,7 +917,9 @@ 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 = offset;
+ lrp->args.range.length = length;
lrp->args.layout = lo;
lrp->clp = NFS_SERVER(ino)->nfs_client;
lrp->cred = lo->plh_lc_cred;
@@ -987,7 +990,8 @@ _pnfs_return_layout(struct inode *ino)
spin_unlock(&ino->i_lock);
pnfs_free_lseg_list(&tmp_list);
- status = pnfs_send_layoutreturn(lo, stateid, IOMODE_ANY);
+ status = pnfs_send_layoutreturn(lo, stateid, IOMODE_ANY, 0,
+ NFS4_MAX_UINT64);
out:
dprintk("<-- %s status: %d\n", __func__, status);
return status;
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 6400a1e..3637923 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -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;
};
--
1.9.3
--
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