struct ceph_osd_request *req = NULL;
struct ceph_writeback_ctl ceph_wbc;
bool should_loop, range_whole = false;
- bool stop, done = false;
+ bool done = false;
dout("writepages_start %p (mode=%s)\n", inode,
wbc->sync_mode == WB_SYNC_NONE ? "NONE" :
ceph_put_snap_context(last_snapc);
last_snapc = snapc;
- stop = false;
- while (!stop && index <= end) {
+ while (!done && index <= end) {
int num_ops = 0, op_idx;
unsigned i, pvec_pages, max_pages, locked_pages = 0;
struct page **pages = NULL, **data_pages;
unlock_page(page);
continue;
}
- if (strip_unit_end && (page->index > strip_unit_end)) {
- dout("end of strip unit %p\n", page);
+ /* only if matching snap context */
+ pgsnapc = page_snap_context(page);
+ if (pgsnapc != snapc) {
+ dout("page snapc %p %lld != oldest %p %lld\n",
+ pgsnapc, pgsnapc->seq, snapc, snapc->seq);
unlock_page(page);
- break;
+ continue;
}
if (page_offset(page) >= ceph_wbc.i_size) {
dout("%p page eof %llu\n",
page, ceph_wbc.i_size);
- /* not done if range_cyclic */
- stop = true;
+ if (ceph_wbc.size_stable ||
+ page_offset(page) >= i_size_read(inode))
+ mapping->a_ops->invalidatepage(page,
+ 0, PAGE_SIZE);
+ unlock_page(page);
+ continue;
+ }
+ if (strip_unit_end && (page->index > strip_unit_end)) {
+ dout("end of strip unit %p\n", page);
unlock_page(page);
break;
}
wait_on_page_writeback(page);
}
- /* only if matching snap context */
- pgsnapc = page_snap_context(page);
- if (pgsnapc != snapc) {
- dout("page snapc %p %lld != oldest %p %lld\n",
- pgsnapc, pgsnapc->seq, snapc, snapc->seq);
- unlock_page(page);
- continue;
- }
-
if (!clear_page_dirty_for_io(page)) {
dout("%p !clear_page_dirty_for_io\n", page);
unlock_page(page);
* we tagged for writeback prior to entering this loop.
*/
if (wbc->nr_to_write <= 0 && wbc->sync_mode == WB_SYNC_NONE)
- done = stop = true;
+ done = true;
release_pvec_pages:
dout("pagevec_release on %d pages (%p)\n", (int)pvec.nr,
* possibly truncate them.. so write AND block!
*/
if (ci->i_wrbuffer_ref_head < ci->i_wrbuffer_ref) {
- struct ceph_cap_snap *capsnap;
- to = ci->i_truncate_size;
- list_for_each_entry(capsnap, &ci->i_cap_snaps, ci_item) {
- // MDS should have revoked Frw caps
- WARN_ON_ONCE(capsnap->writing);
- if (capsnap->dirty_pages && capsnap->size > to)
- to = capsnap->size;
- }
spin_unlock(&ci->i_ceph_lock);
dout("__do_pending_vmtruncate %p flushing snaps first\n",
inode);
-
- truncate_pagecache(inode, to);
-
filemap_write_and_wait_range(&inode->i_data, 0,
inode->i_sb->s_maxbytes);
goto retry;