diff options
Diffstat (limited to 'fs/gfs2/aops.c')
| -rw-r--r-- | fs/gfs2/aops.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c index db0d39f..ee48ad3 100644 --- a/fs/gfs2/aops.c +++ b/fs/gfs2/aops.c @@ -948,24 +948,29 @@ static void gfs2_invalidatepage(struct page *page, unsigned int offset, unsigned int length) { struct gfs2_sbd *sdp = GFS2_SB(page->mapping->host); + unsigned int stop = offset + length; + int partial_page = (offset || length < PAGE_CACHE_SIZE); struct buffer_head *bh, *head; unsigned long pos = 0; BUG_ON(!PageLocked(page)); - if (offset == 0) + if (!partial_page) ClearPageChecked(page); if (!page_has_buffers(page)) goto out; bh = head = page_buffers(page); do { + if (pos + bh->b_size > stop) + return; + if (offset <= pos) gfs2_discard(sdp, bh); pos += bh->b_size; bh = bh->b_this_page; } while (bh != head); out: - if (offset == 0) + if (!partial_page) try_to_release_page(page, 0); } |
