diff options
| -rw-r--r-- | fs/ceph/addr.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index 27d62070a8e9..2d6466b5fe82 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -671,7 +671,7 @@ static int ceph_writepages_start(struct address_space *mapping, unsigned wsize = 1 << inode->i_blkbits; struct ceph_osd_request *req = NULL; int do_sync; - u64 snap_size = 0; + u64 snap_size; /* * Include a 'sync' in the OSD request if this is a data @@ -717,6 +717,7 @@ static int ceph_writepages_start(struct address_space *mapping, retry: /* find oldest snap context with dirty data */ ceph_put_snap_context(snapc); + snap_size = 0; snapc = get_oldest_context(inode, &snap_size); if (!snapc) { /* hmm, why does writepages get called when there @@ -724,6 +725,8 @@ retry: dout(" no snap context with dirty data?\n"); goto out; } + if (snap_size == 0) + snap_size = i_size_read(inode); dout(" oldest snapc is %p seq %lld (%d snaps)\n", snapc, snapc->seq, snapc->num_snaps); if (last_snapc && snapc != last_snapc) { @@ -795,11 +798,8 @@ get_more_pages: dout("waiting on writeback %p\n", page); wait_on_page_writeback(page); } - if ((snap_size && page_offset(page) > snap_size) || - (!snap_size && - page_offset(page) > i_size_read(inode))) { - dout("%p page eof %llu\n", page, snap_size ? - snap_size : i_size_read(inode)); + if (page_offset(page) >= snap_size) { + dout("%p page eof %llu\n", page, snap_size); done = 1; unlock_page(page); break; @@ -911,7 +911,7 @@ get_more_pages: /* Format the osd request message and submit the write */ offset = page_offset(pages[0]); - len = min((snap_size ? snap_size : i_size_read(inode)) - offset, + len = min(snap_size - offset, (u64)locked_pages << PAGE_CACHE_SHIFT); dout("writepages got %d pages at %llu~%llu\n", locked_pages, offset, len); |