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NFS: remove NFS_PAGE_TAG_LOCKED

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The last real use of this tag was removed by
commit 7f2f12d963 NFS: Simplify nfs_wb_page()

Signed-off-by: Fred Isaman <iisaman@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Fred Isaman
2012-03-08 17:29:34 -05:00
committed by Trond Myklebust
parent ad1e396829
commit 9994b62b56
3 changed files with 10 additions and 45 deletions
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32
fs/nfs/pagelist.c
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@@ -107,36 +107,6 @@ void nfs_unlock_request(struct nfs_page *req)
nfs_release_request(req);
}
/**
* nfs_set_page_tag_locked - Tag a request as locked
* @req:
*/
int nfs_set_page_tag_locked(struct nfs_page *req)
{
if (!nfs_lock_request_dontget(req))
return 0;
if (test_bit(PG_MAPPED, &req->wb_flags))
radix_tree_tag_set(&NFS_I(req->wb_context->dentry->d_inode)->nfs_page_tree, req->wb_index, NFS_PAGE_TAG_LOCKED);
return 1;
}
/**
* nfs_clear_page_tag_locked - Clear request tag and wake up sleepers
*/
void nfs_clear_page_tag_locked(struct nfs_page *req)
{
if (test_bit(PG_MAPPED, &req->wb_flags)) {
struct inode *inode = req->wb_context->dentry->d_inode;
struct nfs_inode *nfsi = NFS_I(inode);
spin_lock(&inode->i_lock);
radix_tree_tag_clear(&nfsi->nfs_page_tree, req->wb_index, NFS_PAGE_TAG_LOCKED);
nfs_unlock_request(req);
spin_unlock(&inode->i_lock);
} else
nfs_unlock_request(req);
}
/*
* nfs_clear_request - Free up all resources allocated to the request
* @req:
@@ -469,7 +439,7 @@ int nfs_scan_list(struct nfs_inode *nfsi,
if (req->wb_index > idx_end)
goto out;
idx_start = req->wb_index + 1;
if (nfs_set_page_tag_locked(req)) {
if (nfs_lock_request_dontget(req)) {
kref_get(&req->wb_kref);
radix_tree_tag_clear(&nfsi->nfs_page_tree,
req->wb_index, tag);