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| author | Peng Tao <bergwolf@gmail.com> | 2012-08-02 15:36:09 +0300 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-08-02 17:41:18 -0400 |
| commit | f6166384095b7ecf77752b5e9096e6d03d75f7ae (patch) | |
| tree | 300ca37aae7ba42e932ba2c22d29a57c6f11bda2 | |
| parent | 21d1f58aedc5f7ac4bb0c4e3d78c74ea31ac050f (diff) | |
| download | linux-f6166384095b7ecf77752b5e9096e6d03d75f7ae.tar.gz linux-f6166384095b7ecf77752b5e9096e6d03d75f7ae.tar.bz2 linux-f6166384095b7ecf77752b5e9096e6d03d75f7ae.zip | |
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>
| -rw-r--r-- | fs/nfs/pagelist.c | 2 | ||||
| -rw-r--r-- | include/linux/nfs_page.h | 1 | ||||
| -rw-r--r-- | include/linux/nfs_xdr.h | 1 |
3 files changed, 4 insertions, 0 deletions
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c index 1a6732ed04a4..311a79681e2b 100644 --- a/fs/nfs/pagelist.c +++ b/fs/nfs/pagelist.c @@ -49,6 +49,7 @@ void nfs_pgheader_init(struct nfs_pageio_descriptor *desc, hdr->io_start = req_offset(hdr->req); hdr->good_bytes = desc->pg_count; hdr->dreq = desc->pg_dreq; + hdr->layout_private = desc->pg_layout_private; hdr->release = release; hdr->completion_ops = desc->pg_completion_ops; if (hdr->completion_ops->init_hdr) @@ -268,6 +269,7 @@ void nfs_pageio_init(struct nfs_pageio_descriptor *desc, desc->pg_error = 0; desc->pg_lseg = NULL; desc->pg_dreq = NULL; + desc->pg_layout_private = NULL; } EXPORT_SYMBOL_GPL(nfs_pageio_init); 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; |