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authorFred Isaman <iisaman@netapp.com>2012-04-20 22:47:51 +0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2012-04-27 22:10:38 +0400
commit584aa810b6240d88c28113a90c5029449814a3b5 (patch)
tree694b0942747c9ee7b8f53f21cb81ddc32cc07bbb /fs/nfs/pagelist.c
parent1825a0d08f22463e5a8f4b1636473efd057a3479 (diff)
downloadlinux-584aa810b6240d88c28113a90c5029449814a3b5.tar.xz
NFS: rewrite directio read to use async coalesce code
This also has the advantage that it allows directio to use pnfs. Signed-off-by: Fred Isaman <iisaman@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/pagelist.c')
-rw-r--r--fs/nfs/pagelist.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index 638ca7f5a1e4..33a21ca9b84b 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -48,8 +48,11 @@ void nfs_pgheader_init(struct nfs_pageio_descriptor *desc,
hdr->cred = hdr->req->wb_context->cred;
hdr->io_start = req_offset(hdr->req);
hdr->good_bytes = desc->pg_count;
+ hdr->dreq = desc->pg_dreq;
hdr->release = release;
hdr->completion_ops = desc->pg_completion_ops;
+ if (hdr->completion_ops->init_hdr)
+ hdr->completion_ops->init_hdr(hdr);
}
void nfs_set_pgio_error(struct nfs_pgio_header *hdr, int error, loff_t pos)
@@ -116,9 +119,6 @@ nfs_create_request(struct nfs_open_context *ctx, struct inode *inode,
req->wb_page = page;
req->wb_index = page->index;
page_cache_get(page);
- BUG_ON(PagePrivate(page));
- BUG_ON(!PageLocked(page));
- BUG_ON(page->mapping->host != inode);
req->wb_offset = offset;
req->wb_pgbase = offset;
req->wb_bytes = count;
@@ -257,6 +257,7 @@ void nfs_pageio_init(struct nfs_pageio_descriptor *desc,
desc->pg_ioflags = io_flags;
desc->pg_error = 0;
desc->pg_lseg = NULL;
+ desc->pg_dreq = NULL;
}
/**