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authorChristoph Hellwig <hch@lst.de>2014-04-16 17:07:22 +0400
committerTrond Myklebust <trond.myklebust@primarydata.com>2014-05-29 01:50:08 +0400
commitfab5fc25d230edcc8ee72367e505955a2fae0cac (patch)
treeea5d0df777acfeef50068c4b031bb9417be9743f /fs/nfs/pnfs.c
parenta20c93e3160e37ecccc738d8eef085c8507949ed (diff)
downloadlinux-fab5fc25d230edcc8ee72367e505955a2fae0cac.tar.xz
nfs: remove ->read_pageio_init from rpc ops
The read_pageio_init method is just a very convoluted way to grab the right nfs_pageio_ops vector. The vector to chose is not a choice of protocol version, but just a pNFS vs MDS I/O choice that can simply be done inside nfs_pageio_init_read based on the presence of a layout driver, and a new force_mds flag to the special case of falling back to MDS I/O on a pNFS-capable volume. Signed-off-by: Christoph Hellwig <hch@lst.de> Tested-by: Anna Schumaker <Anna.Schumaker@Netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs/pnfs.c')
-rw-r--r--fs/nfs/pnfs.c15
1 files changed, 1 insertions, 14 deletions
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 9edac9f01c2a..3d5bc2baafd1 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -1434,19 +1434,6 @@ pnfs_generic_pg_init_write(struct nfs_pageio_descriptor *pgio,
}
EXPORT_SYMBOL_GPL(pnfs_generic_pg_init_write);
-void
-pnfs_pageio_init_read(struct nfs_pageio_descriptor *pgio, struct inode *inode,
- const struct nfs_pgio_completion_ops *compl_ops)
-{
- struct nfs_server *server = NFS_SERVER(inode);
- struct pnfs_layoutdriver_type *ld = server->pnfs_curr_ld;
-
- if (ld == NULL)
- nfs_pageio_init_read(pgio, inode, compl_ops);
- else
- nfs_pageio_init(pgio, inode, ld->pg_read_ops, compl_ops, server->rsize, 0);
-}
-
bool
pnfs_generic_pg_test(struct nfs_pageio_descriptor *pgio, struct nfs_page *prev,
struct nfs_page *req)
@@ -1641,7 +1628,7 @@ int pnfs_read_done_resend_to_mds(struct inode *inode,
LIST_HEAD(failed);
/* Resend all requests through the MDS */
- nfs_pageio_init_read(&pgio, inode, compl_ops);
+ nfs_pageio_init_read(&pgio, inode, true, compl_ops);
pgio.pg_dreq = dreq;
while (!list_empty(head)) {
struct nfs_page *req = nfs_list_entry(head->next);