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NFS: Cleanup the coalescing code

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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust
2007-04-02 18:48:28 -04:00
parent 91e59c368c
commit d8a5ad75cc
4 changed files with 114 additions and 51 deletions
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11
fs/nfs/write.c
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@@ -945,9 +945,8 @@ static int nfs_flush_one(struct inode *inode, struct list_head *head, int how)
static int nfs_flush_list(struct inode *inode, struct list_head *head, int npages, int how)
{
LIST_HEAD(one_request);
struct nfs_pageio_descriptor desc;
int (*flush_one)(struct inode *, struct list_head *, int);
struct nfs_page *req;
int wpages = NFS_SERVER(inode)->wpages;
int wsize = NFS_SERVER(inode)->wsize;
int error;
@@ -961,16 +960,16 @@ static int nfs_flush_list(struct inode *inode, struct list_head *head, int npage
how |= FLUSH_STABLE;
do {
nfs_coalesce_requests(head, &one_request, wpages);
req = nfs_list_entry(one_request.next);
error = flush_one(inode, &one_request, how);
nfs_pageio_init(&desc, wsize);
nfs_pageio_add_list(&desc, head);
error = flush_one(inode, &desc.pg_list, how);
if (error < 0)
goto out_err;
} while (!list_empty(head));
return 0;
out_err:
while (!list_empty(head)) {
req = nfs_list_entry(head->next);
struct nfs_page *req = nfs_list_entry(head->next);
nfs_list_remove_request(req);
nfs_redirty_request(req);
nfs_end_page_writeback(req->wb_page);