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authorPeng Tao <bergwolf@gmail.com>2012-08-02 16:36:09 +0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2012-08-03 01:41:18 +0400
commitf6166384095b7ecf77752b5e9096e6d03d75f7ae (patch)
tree300ca37aae7ba42e932ba2c22d29a57c6f11bda2 /include/linux
parent21d1f58aedc5f7ac4bb0c4e3d78c74ea31ac050f (diff)
downloadlinux-f6166384095b7ecf77752b5e9096e6d03d75f7ae.tar.xz
NFS41: add pg_layout_private to nfs_pageio_descriptor
To allow layout driver to pass private information around pg_init/pg_doio. Signed-off-by: Peng Tao <tao.peng@emc.com> Signed-off-by: Boaz Harrosh <bharrosh@panasas.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/nfs_page.h1
-rw-r--r--include/linux/nfs_xdr.h1
2 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h
index 880805774f9f..92ce5783b707 100644
--- a/include/linux/nfs_page.h
+++ b/include/linux/nfs_page.h
@@ -69,6 +69,7 @@ struct nfs_pageio_descriptor {
const struct nfs_pgio_completion_ops *pg_completion_ops;
struct pnfs_layout_segment *pg_lseg;
struct nfs_direct_req *pg_dreq;
+ void *pg_layout_private;
};
#define NFS_WBACK_BUSY(req) (test_bit(PG_BUSY,&(req)->wb_flags))
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 00485e084394..ac7c8ae254f2 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -1248,6 +1248,7 @@ struct nfs_pgio_header {
void (*release) (struct nfs_pgio_header *hdr);
const struct nfs_pgio_completion_ops *completion_ops;
struct nfs_direct_req *dreq;
+ void *layout_private;
spinlock_t lock;
/* fields protected by lock */
int pnfs_error;