diff options
Diffstat (limited to 'fs/ceph/addr.c')
-rw-r--r-- | fs/ceph/addr.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index ef3ebd780aff..834be0943a26 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -1276,25 +1276,27 @@ static int ceph_write_end(struct file *file, struct address_space *mapping, struct page *page, void *fsdata) { struct inode *inode = file_inode(file); - unsigned from = pos & (PAGE_SIZE - 1); int check_cap = 0; dout("write_end file %p inode %p page %p %d~%d (%d)\n", file, inode, page, (int)pos, (int)copied, (int)len); /* zero the stale part of the page if we did a short copy */ - if (copied < len) - zero_user_segment(page, from+copied, len); + if (!PageUptodate(page)) { + if (copied < len) { + copied = 0; + goto out; + } + SetPageUptodate(page); + } /* did file size increase? */ if (pos+copied > i_size_read(inode)) check_cap = ceph_inode_set_size(inode, pos+copied); - if (!PageUptodate(page)) - SetPageUptodate(page); - set_page_dirty(page); +out: unlock_page(page); put_page(page); |