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-rw-r--r--fs/cifs/file.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index d302d941f9ac..f677ede766d1 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -2267,6 +2267,22 @@ out:
return rc;
}
+static int cifs_release_page(struct page *page, gfp_t gfp)
+{
+ if (PagePrivate(page))
+ return 0;
+
+ return cifs_fscache_release_page(page, gfp);
+}
+
+static void cifs_invalidate_page(struct page *page, unsigned long offset)
+{
+ struct cifsInodeInfo *cifsi = CIFS_I(page->mapping->host);
+
+ if (offset == 0)
+ cifs_fscache_invalidate_page(page, &cifsi->vfs_inode);
+}
+
static void
cifs_oplock_break(struct slow_work *work)
{
@@ -2340,6 +2356,8 @@ const struct address_space_operations cifs_addr_ops = {
.write_begin = cifs_write_begin,
.write_end = cifs_write_end,
.set_page_dirty = __set_page_dirty_nobuffers,
+ .releasepage = cifs_release_page,
+ .invalidatepage = cifs_invalidate_page,
/* .sync_page = cifs_sync_page, */
/* .direct_IO = */
};
@@ -2356,6 +2374,8 @@ const struct address_space_operations cifs_addr_ops_smallbuf = {
.write_begin = cifs_write_begin,
.write_end = cifs_write_end,
.set_page_dirty = __set_page_dirty_nobuffers,
+ .releasepage = cifs_release_page,
+ .invalidatepage = cifs_invalidate_page,
/* .sync_page = cifs_sync_page, */
/* .direct_IO = */
};