@@ -2975,11 +2975,13 @@ static void reiserfs_invalidatepage(struct page *page, unsigned int offset,
struct buffer_head *head, *bh, *next;
struct inode *inode = page->mapping->host;
unsigned int curr_off = 0;
+ unsigned int stop = offset + length;
+ int partial_page = (offset || length < PAGE_CACHE_SIZE);
int ret = 1;
BUG_ON(!PageLocked(page));
- if (offset == 0)
+ if (!partial_page)
ClearPageChecked(page);
if (!page_has_buffers(page))
@@ -2991,6 +2993,9 @@ static void reiserfs_invalidatepage(struct page *page, unsigned int offset,
unsigned int next_off = curr_off + bh->b_size;
next = bh->b_this_page;
+ if (next_off > stop)
+ goto out;
+
/*
* is this block fully invalidated?
*/
@@ -3009,7 +3014,7 @@ static void reiserfs_invalidatepage(struct page *page, unsigned int offset,
* The get_block cached value has been unconditionally invalidated,
* so real IO is not possible anymore.
*/
- if (!offset && ret) {
+ if (!partial_page && ret) {
ret = try_to_release_page(page, 0);
/* maybe should BUG_ON(!ret); - neilb */
}
->invalidatepage() aop now accepts range to invalidate so we can make use of it in reiserfs_invalidatepage() Signed-off-by: Lukas Czerner <lczerner@redhat.com> Cc: reiserfs-devel@vger.kernel.org --- fs/reiserfs/inode.c | 9 +++++++-- 1 files changed, 7 insertions(+), 2 deletions(-)