diff options
Diffstat (limited to 'fs/ceph/addr.c')
-rw-r--r-- | fs/ceph/addr.c | 93 |
1 files changed, 35 insertions, 58 deletions
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index 5493a5205a5f..72cbaac68256 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -592,50 +592,6 @@ static u64 get_writepages_data_length(struct inode *inode, } /* - * do a synchronous write on N pages - */ -static int ceph_sync_writepages(struct ceph_fs_client *fsc, - struct ceph_vino vino, - struct ceph_file_layout *layout, - struct ceph_snap_context *snapc, - u64 off, u64 len, - u32 truncate_seq, u64 truncate_size, - struct timespec64 *mtime, - struct page **pages, int num_pages) -{ - struct ceph_osd_client *osdc = &fsc->client->osdc; - struct ceph_osd_request *req; - int rc = 0; - int page_align = off & ~PAGE_MASK; - - req = ceph_osdc_new_request(osdc, layout, vino, off, &len, 0, 1, - CEPH_OSD_OP_WRITE, CEPH_OSD_FLAG_WRITE, - snapc, truncate_seq, truncate_size, - true); - if (IS_ERR(req)) - return PTR_ERR(req); - - /* it may be a short write due to an object boundary */ - osd_req_op_extent_osd_data_pages(req, 0, pages, len, page_align, - false, false); - dout("writepages %llu~%llu (%llu bytes)\n", off, len, len); - - req->r_mtime = *mtime; - rc = ceph_osdc_start_request(osdc, req, true); - if (!rc) - rc = ceph_osdc_wait_request(osdc, req); - - ceph_update_write_latency(&fsc->mdsc->metric, req->r_start_latency, - req->r_end_latency, rc); - - ceph_osdc_put_request(req); - if (rc == 0) - rc = len; - dout("writepages result %d\n", rc); - return rc; -} - -/* * Write a single page, but leave the page locked. * * If we get a write error, mark the mapping for error, but still adjust the @@ -643,20 +599,19 @@ static int ceph_sync_writepages(struct ceph_fs_client *fsc, */ static int writepage_nounlock(struct page *page, struct writeback_control *wbc) { - struct inode *inode; - struct ceph_inode_info *ci; - struct ceph_fs_client *fsc; + struct inode *inode = page->mapping->host; + struct ceph_inode_info *ci = ceph_inode(inode); + struct ceph_fs_client *fsc = ceph_inode_to_client(inode); struct ceph_snap_context *snapc, *oldest; loff_t page_off = page_offset(page); - int err, len = PAGE_SIZE; + int err; + loff_t len = PAGE_SIZE; struct ceph_writeback_ctl ceph_wbc; + struct ceph_osd_client *osdc = &fsc->client->osdc; + struct ceph_osd_request *req; dout("writepage %p idx %lu\n", page, page->index); - inode = page->mapping->host; - ci = ceph_inode(inode); - fsc = ceph_inode_to_client(inode); - /* verify this is a writeable snap context */ snapc = page_snap_context(page); if (!snapc) { @@ -685,7 +640,7 @@ static int writepage_nounlock(struct page *page, struct writeback_control *wbc) if (ceph_wbc.i_size < page_off + len) len = ceph_wbc.i_size - page_off; - dout("writepage %p page %p index %lu on %llu~%u snapc %p seq %lld\n", + dout("writepage %p page %p index %lu on %llu~%llu snapc %p seq %lld\n", inode, page, page->index, page_off, len, snapc, snapc->seq); if (atomic_long_inc_return(&fsc->writeback_count) > @@ -693,11 +648,33 @@ static int writepage_nounlock(struct page *page, struct writeback_control *wbc) set_bdi_congested(inode_to_bdi(inode), BLK_RW_ASYNC); set_page_writeback(page); - err = ceph_sync_writepages(fsc, ceph_vino(inode), - &ci->i_layout, snapc, page_off, len, - ceph_wbc.truncate_seq, - ceph_wbc.truncate_size, - &inode->i_mtime, &page, 1); + req = ceph_osdc_new_request(osdc, &ci->i_layout, ceph_vino(inode), page_off, &len, 0, 1, + CEPH_OSD_OP_WRITE, CEPH_OSD_FLAG_WRITE, snapc, + ceph_wbc.truncate_seq, ceph_wbc.truncate_size, + true); + if (IS_ERR(req)) { + redirty_page_for_writepage(wbc, page); + end_page_writeback(page); + return PTR_ERR(req); + } + + /* it may be a short write due to an object boundary */ + WARN_ON_ONCE(len > PAGE_SIZE); + osd_req_op_extent_osd_data_pages(req, 0, &page, len, 0, false, false); + dout("writepage %llu~%llu (%llu bytes)\n", page_off, len, len); + + req->r_mtime = inode->i_mtime; + err = ceph_osdc_start_request(osdc, req, true); + if (!err) + err = ceph_osdc_wait_request(osdc, req); + + ceph_update_write_latency(&fsc->mdsc->metric, req->r_start_latency, + req->r_end_latency, err); + + ceph_osdc_put_request(req); + if (err == 0) + err = len; + if (err < 0) { struct writeback_control tmp_wbc; if (!wbc) |