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authorTrond Myklebust <Trond.Myklebust@netapp.com>2007-04-02 18:48:28 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2007-04-30 22:17:04 -0700
commitd8a5ad75cc4d577987964e37a4c43b1c648c201e (patch)
tree91604bf17f7a81cc60a214426c7ddca89bf4faee /fs/nfs/read.c
parent91e59c368c6ba5eed0369a085c42c9f270b97aa8 (diff)
NFS: Cleanup the coalescing code
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/read.c')
-rw-r--r--fs/nfs/read.c24
1 files changed, 13 insertions, 11 deletions
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index 6ab4d5a9edf2..97f0f42e136d 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -328,24 +328,26 @@ out_bad:
}
static int
-nfs_pagein_list(struct list_head *head, int rpages)
+nfs_pagein_list(struct list_head *head, unsigned int rsize)
{
- LIST_HEAD(one_request);
- struct nfs_page *req;
- int error = 0;
- unsigned int pages = 0;
+ struct nfs_pageio_descriptor desc;
+ struct nfs_page *req;
+ unsigned int pages = 0;
+ int error = 0;
while (!list_empty(head)) {
- pages += nfs_coalesce_requests(head, &one_request, rpages);
- req = nfs_list_entry(one_request.next);
- error = nfs_pagein_one(&one_request, req->wb_context->dentry->d_inode);
+ nfs_pageio_init(&desc, rsize);
+ nfs_pageio_add_list(&desc, head);
+ req = nfs_list_entry(desc.pg_list.next);
+ error = nfs_pagein_one(&desc.pg_list, req->wb_context->dentry->d_inode);
if (error < 0)
break;
+ pages += (desc.pg_count + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
}
- if (error >= 0)
- return pages;
nfs_async_read_error(head);
+ if (error >= 0)
+ return pages;
return error;
}
@@ -595,7 +597,7 @@ int nfs_readpages(struct file *filp, struct address_space *mapping,
filp->private_data);
ret = read_cache_pages(mapping, pages, readpage_async_filler, &desc);
if (!list_empty(&head)) {
- int err = nfs_pagein_list(&head, server->rpages);
+ int err = nfs_pagein_list(&head, server->rsize);
if (!ret)
nfs_add_stats(inode, NFSIOS_READPAGES, err);
ret = err;