From 715e4cd405cfd67bd058e410b3e599bab2072645 Mon Sep 17 00:00:00 2001 From: "Yan, Zheng" Date: Thu, 13 Nov 2014 14:40:37 +0800 Subject: [PATCH] libceph: specify position of extent operation allow specifying position of extent operation in multi-operations osd request. This is required for cephfs to convert inline data to normal data (compare xattr, then write object). Signed-off-by: Yan, Zheng Reviewed-by: Ilya Dryomov --- fs/ceph/addr.c | 9 ++++++--- fs/ceph/file.c | 8 +++++--- include/linux/ceph/osd_client.h | 3 ++- net/ceph/osd_client.c | 19 ++++++------------- 4 files changed, 19 insertions(+), 20 deletions(-) diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index 18c06bbaf136..f2c7aa878aa4 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -319,7 +319,7 @@ static int start_read(struct inode *inode, struct list_head *page_list, int max) off, len); vino = ceph_vino(inode); req = ceph_osdc_new_request(osdc, &ci->i_layout, vino, off, &len, - 1, CEPH_OSD_OP_READ, + 0, 1, CEPH_OSD_OP_READ, CEPH_OSD_FLAG_READ, NULL, ci->i_truncate_seq, ci->i_truncate_size, false); @@ -750,7 +750,6 @@ static int ceph_writepages_start(struct address_space *mapping, last_snapc = snapc; while (!done && index <= end) { - int num_ops = do_sync ? 2 : 1; unsigned i; int first; pgoff_t next; @@ -850,7 +849,8 @@ static int ceph_writepages_start(struct address_space *mapping, len = wsize; req = ceph_osdc_new_request(&fsc->client->osdc, &ci->i_layout, vino, - offset, &len, num_ops, + offset, &len, 0, + do_sync ? 2 : 1, CEPH_OSD_OP_WRITE, CEPH_OSD_FLAG_WRITE | CEPH_OSD_FLAG_ONDISK, @@ -862,6 +862,9 @@ static int ceph_writepages_start(struct address_space *mapping, break; } + if (do_sync) + osd_req_op_init(req, 1, CEPH_OSD_OP_STARTSYNC); + req->r_callback = writepages_finish; req->r_inode = inode; diff --git a/fs/ceph/file.c b/fs/ceph/file.c index d7e0da8366e6..c03ac4c4bcd1 100644 --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -598,7 +598,7 @@ ceph_sync_direct_write(struct kiocb *iocb, struct iov_iter *from, loff_t pos) snapc = ci->i_snap_realm->cached_context; vino = ceph_vino(inode); req = ceph_osdc_new_request(&fsc->client->osdc, &ci->i_layout, - vino, pos, &len, + vino, pos, &len, 0, 2,/*include a 'startsync' command*/ CEPH_OSD_OP_WRITE, flags, snapc, ci->i_truncate_seq, @@ -609,6 +609,8 @@ ceph_sync_direct_write(struct kiocb *iocb, struct iov_iter *from, loff_t pos) break; } + osd_req_op_init(req, 1, CEPH_OSD_OP_STARTSYNC); + n = iov_iter_get_pages_alloc(from, &pages, len, &start); if (unlikely(n < 0)) { ret = n; @@ -713,7 +715,7 @@ ceph_sync_write(struct kiocb *iocb, struct iov_iter *from, loff_t pos) snapc = ci->i_snap_realm->cached_context; vino = ceph_vino(inode); req = ceph_osdc_new_request(&fsc->client->osdc, &ci->i_layout, - vino, pos, &len, 1, + vino, pos, &len, 0, 1, CEPH_OSD_OP_WRITE, flags, snapc, ci->i_truncate_seq, ci->i_truncate_size, @@ -1111,7 +1113,7 @@ static int ceph_zero_partial_object(struct inode *inode, req = ceph_osdc_new_request(&fsc->client->osdc, &ci->i_layout, ceph_vino(inode), offset, length, - 1, op, + 0, 1, op, CEPH_OSD_FLAG_WRITE | CEPH_OSD_FLAG_ONDISK, NULL, 0, 0, false); diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h index bcf9c2180ea5..5d86416d35f2 100644 --- a/include/linux/ceph/osd_client.h +++ b/include/linux/ceph/osd_client.h @@ -328,7 +328,8 @@ extern struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *, struct ceph_file_layout *layout, struct ceph_vino vino, u64 offset, u64 *len, - int num_ops, int opcode, int flags, + unsigned int which, int num_ops, + int opcode, int flags, struct ceph_snap_context *snapc, u32 truncate_seq, u64 truncate_size, bool use_mempool); diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index af1b3ee195e9..53299c7b0ca4 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -753,7 +753,8 @@ static u64 osd_req_encode_op(struct ceph_osd_request *req, struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc, struct ceph_file_layout *layout, struct ceph_vino vino, - u64 off, u64 *plen, int num_ops, + u64 off, u64 *plen, + unsigned int which, int num_ops, int opcode, int flags, struct ceph_snap_context *snapc, u32 truncate_seq, @@ -785,7 +786,7 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc, } if (opcode == CEPH_OSD_OP_CREATE || opcode == CEPH_OSD_OP_DELETE) { - osd_req_op_init(req, 0, opcode); + osd_req_op_init(req, which, opcode); } else { u32 object_size = le32_to_cpu(layout->fl_object_size); u32 object_base = off - objoff; @@ -798,17 +799,9 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc, truncate_size = object_size; } } - - osd_req_op_extent_init(req, 0, opcode, objoff, objlen, + osd_req_op_extent_init(req, which, opcode, objoff, objlen, truncate_size, truncate_seq); } - /* - * A second op in the ops array means the caller wants to - * also issue a include a 'startsync' command so that the - * osd will flush data quickly. - */ - if (num_ops > 1) - osd_req_op_init(req, 1, CEPH_OSD_OP_STARTSYNC); req->r_base_oloc.pool = ceph_file_layout_pg_pool(*layout); @@ -2675,7 +2668,7 @@ int ceph_osdc_readpages(struct ceph_osd_client *osdc, dout("readpages on ino %llx.%llx on %llu~%llu\n", vino.ino, vino.snap, off, *plen); - req = ceph_osdc_new_request(osdc, layout, vino, off, plen, 1, + req = ceph_osdc_new_request(osdc, layout, vino, off, plen, 0, 1, CEPH_OSD_OP_READ, CEPH_OSD_FLAG_READ, NULL, truncate_seq, truncate_size, false); @@ -2718,7 +2711,7 @@ int ceph_osdc_writepages(struct ceph_osd_client *osdc, struct ceph_vino vino, int page_align = off & ~PAGE_MASK; BUG_ON(vino.snap != CEPH_NOSNAP); /* snapshots aren't writeable */ - req = ceph_osdc_new_request(osdc, layout, vino, off, &len, 1, + req = ceph_osdc_new_request(osdc, layout, vino, off, &len, 0, 1, CEPH_OSD_OP_WRITE, CEPH_OSD_FLAG_ONDISK | CEPH_OSD_FLAG_WRITE, snapc, truncate_seq, truncate_size, -- GitLab