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Diffstat (limited to 'fs/nfs/pagelist.c')
-rw-r--r--fs/nfs/pagelist.c23
1 files changed, 13 insertions, 10 deletions
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index a12c45b65dd4..29d9d36cd5f4 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -112,12 +112,10 @@ void nfs_unlock_request(struct nfs_page *req)
112 */ 112 */
113int nfs_set_page_tag_locked(struct nfs_page *req) 113int nfs_set_page_tag_locked(struct nfs_page *req)
114{ 114{
115 struct nfs_inode *nfsi = NFS_I(req->wb_context->path.dentry->d_inode);
116
117 if (!nfs_lock_request_dontget(req)) 115 if (!nfs_lock_request_dontget(req))
118 return 0; 116 return 0;
119 if (req->wb_page != NULL) 117 if (req->wb_page != NULL)
120 radix_tree_tag_set(&nfsi->nfs_page_tree, req->wb_index, NFS_PAGE_TAG_LOCKED); 118 radix_tree_tag_set(&NFS_I(req->wb_context->path.dentry->d_inode)->nfs_page_tree, req->wb_index, NFS_PAGE_TAG_LOCKED);
121 return 1; 119 return 1;
122} 120}
123 121
@@ -126,10 +124,10 @@ int nfs_set_page_tag_locked(struct nfs_page *req)
126 */ 124 */
127void nfs_clear_page_tag_locked(struct nfs_page *req) 125void nfs_clear_page_tag_locked(struct nfs_page *req)
128{ 126{
129 struct inode *inode = req->wb_context->path.dentry->d_inode;
130 struct nfs_inode *nfsi = NFS_I(inode);
131
132 if (req->wb_page != NULL) { 127 if (req->wb_page != NULL) {
128 struct inode *inode = req->wb_context->path.dentry->d_inode;
129 struct nfs_inode *nfsi = NFS_I(inode);
130
133 spin_lock(&inode->i_lock); 131 spin_lock(&inode->i_lock);
134 radix_tree_tag_clear(&nfsi->nfs_page_tree, req->wb_index, NFS_PAGE_TAG_LOCKED); 132 radix_tree_tag_clear(&nfsi->nfs_page_tree, req->wb_index, NFS_PAGE_TAG_LOCKED);
135 nfs_unlock_request(req); 133 nfs_unlock_request(req);
@@ -142,16 +140,22 @@ void nfs_clear_page_tag_locked(struct nfs_page *req)
142 * nfs_clear_request - Free up all resources allocated to the request 140 * nfs_clear_request - Free up all resources allocated to the request
143 * @req: 141 * @req:
144 * 142 *
145 * Release page resources associated with a write request after it 143 * Release page and open context resources associated with a read/write
146 * has completed. 144 * request after it has completed.
147 */ 145 */
148void nfs_clear_request(struct nfs_page *req) 146void nfs_clear_request(struct nfs_page *req)
149{ 147{
150 struct page *page = req->wb_page; 148 struct page *page = req->wb_page;
149 struct nfs_open_context *ctx = req->wb_context;
150
151 if (page != NULL) { 151 if (page != NULL) {
152 page_cache_release(page); 152 page_cache_release(page);
153 req->wb_page = NULL; 153 req->wb_page = NULL;
154 } 154 }
155 if (ctx != NULL) {
156 put_nfs_open_context(ctx);
157 req->wb_context = NULL;
158 }
155} 159}
156 160
157 161
@@ -165,9 +169,8 @@ static void nfs_free_request(struct kref *kref)
165{ 169{
166 struct nfs_page *req = container_of(kref, struct nfs_page, wb_kref); 170 struct nfs_page *req = container_of(kref, struct nfs_page, wb_kref);
167 171
168 /* Release struct file or cached credential */ 172 /* Release struct file and open context */
169 nfs_clear_request(req); 173 nfs_clear_request(req);
170 put_nfs_open_context(req->wb_context);
171 nfs_page_free(req); 174 nfs_page_free(req);
172} 175}
173 176