diff options
Diffstat (limited to 'fs/nfs/pagelist.c')
| -rw-r--r-- | fs/nfs/pagelist.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c index 345bb9b4765b..3b3dbb94393d 100644 --- a/fs/nfs/pagelist.c +++ b/fs/nfs/pagelist.c @@ -111,13 +111,14 @@ void nfs_unlock_request(struct nfs_page *req) * nfs_set_page_tag_locked - Tag a request as locked * @req: */ -static int nfs_set_page_tag_locked(struct nfs_page *req) +int nfs_set_page_tag_locked(struct nfs_page *req) { struct nfs_inode *nfsi = NFS_I(req->wb_context->path.dentry->d_inode); - if (!nfs_lock_request(req)) + if (!nfs_lock_request_dontget(req)) return 0; - radix_tree_tag_set(&nfsi->nfs_page_tree, req->wb_index, NFS_PAGE_TAG_LOCKED); + if (req->wb_page != NULL) + radix_tree_tag_set(&nfsi->nfs_page_tree, req->wb_index, NFS_PAGE_TAG_LOCKED); return 1; } @@ -132,9 +133,10 @@ void nfs_clear_page_tag_locked(struct nfs_page *req) if (req->wb_page != NULL) { 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); - } - nfs_unlock_request(req); + } else + nfs_unlock_request(req); } /** @@ -421,6 +423,7 @@ int nfs_scan_list(struct nfs_inode *nfsi, goto out; idx_start = req->wb_index + 1; if (nfs_set_page_tag_locked(req)) { + kref_get(&req->wb_kref); nfs_list_remove_request(req); radix_tree_tag_clear(&nfsi->nfs_page_tree, req->wb_index, tag); |