From 87f979d390f9ecfa3d0038a9f9a002a62f8a1895 Mon Sep 17 00:00:00 2001 From: Alex Elder Date: Fri, 15 Feb 2013 11:42:29 -0600 Subject: ceph: kill ceph_osdc_writepages() "nofail" parameter There is only one caller of ceph_osdc_writepages(), and it always passes the value true as its "nofail" argument. Get rid of that argument and replace its use in ceph_osdc_writepages() with the constant value true. This and a number of cleanup patches that follow resolve: http://tracker.ceph.com/issues/4126 Signed-off-by: Alex Elder Reviewed-by: Josh Durgin --- fs/ceph/addr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'fs/ceph/addr.c') diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index 064d1a68d2c1..c7e401c96fc9 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -493,7 +493,7 @@ static int writepage_nounlock(struct page *page, struct writeback_control *wbc) page_off, len, ci->i_truncate_seq, ci->i_truncate_size, &inode->i_mtime, - &page, 1, 0, 0, true); + &page, 1, 0, 0); if (err < 0) { dout("writepage setting page/mapping error %d %p\n", err, page); SetPageError(page); -- cgit v1.2.1 From fbf8685fb155e12a9f4d4b966c7b3442ed557687 Mon Sep 17 00:00:00 2001 From: Alex Elder Date: Fri, 15 Feb 2013 11:42:29 -0600 Subject: ceph: kill ceph_osdc_writepages() "dosync" parameter There is only one caller of ceph_osdc_writepages(), and it always passes 0 as its "dosync" argument. Get rid of that argument and replace its use in ceph_osdc_writepages() with 0. Signed-off-by: Alex Elder Reviewed-by: Josh Durgin --- fs/ceph/addr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'fs/ceph/addr.c') diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index c7e401c96fc9..bef552819312 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -493,7 +493,7 @@ static int writepage_nounlock(struct page *page, struct writeback_control *wbc) page_off, len, ci->i_truncate_seq, ci->i_truncate_size, &inode->i_mtime, - &page, 1, 0, 0); + &page, 1, 0); if (err < 0) { dout("writepage setting page/mapping error %d %p\n", err, page); SetPageError(page); -- cgit v1.2.1 From 2480882611e3ab844563dd3d0a822227604ab8fe Mon Sep 17 00:00:00 2001 From: Alex Elder Date: Fri, 15 Feb 2013 11:42:29 -0600 Subject: ceph: kill ceph_osdc_writepages() "flags" parameter There is only one caller of ceph_osdc_writepages(), and it always passes 0 as its "flags" argument. Get rid of that argument and replace its use in ceph_osdc_writepages() with 0. Signed-off-by: Alex Elder Reviewed-by: Josh Durgin --- fs/ceph/addr.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'fs/ceph/addr.c') diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index bef552819312..8d3240d6f289 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -492,8 +492,7 @@ static int writepage_nounlock(struct page *page, struct writeback_control *wbc) &ci->i_layout, snapc, page_off, len, ci->i_truncate_seq, ci->i_truncate_size, - &inode->i_mtime, - &page, 1, 0); + &inode->i_mtime, &page, 1); if (err < 0) { dout("writepage setting page/mapping error %d %p\n", err, page); SetPageError(page); -- cgit v1.2.1 From a3bea47e8bdd51d921e5b2045720d60140612c7c Mon Sep 17 00:00:00 2001 From: Alex Elder Date: Fri, 15 Feb 2013 11:42:29 -0600 Subject: ceph: kill ceph_osdc_new_request() "num_reply" parameter The "num_reply" parameter to ceph_osdc_new_request() is never used inside that function, so get rid of it. Note that ceph_sync_write() passes 2 for that argument, while all other callers pass 1. It doesn't matter, but perhaps someone should verify this doesn't indicate a problem. Signed-off-by: Alex Elder Reviewed-by: Josh Durgin --- fs/ceph/addr.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'fs/ceph/addr.c') diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index 8d3240d6f289..fc613715af46 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -315,7 +315,7 @@ static int start_read(struct inode *inode, struct list_head *page_list, int max) CEPH_OSD_OP_READ, CEPH_OSD_FLAG_READ, NULL, 0, ci->i_truncate_seq, ci->i_truncate_size, - NULL, false, 1, 0); + NULL, false, 0); if (IS_ERR(req)) return PTR_ERR(req); @@ -837,7 +837,7 @@ get_more_pages: snapc, do_sync, ci->i_truncate_seq, ci->i_truncate_size, - &inode->i_mtime, true, 1, 0); + &inode->i_mtime, true, 0); if (IS_ERR(req)) { rc = PTR_ERR(req); -- cgit v1.2.1 From 1b83bef24c6746a146d39915a18fb5425f2facb0 Mon Sep 17 00:00:00 2001 From: Sage Weil Date: Mon, 25 Feb 2013 16:11:12 -0800 Subject: libceph: update osd request/reply encoding Use the new version of the encoding for osd requests and replies. In the process, update the way we are tracking request ops and reply lengths and results in the struct ceph_osd_request. Update the rbd and fs/ceph users appropriately. The main changes are: - we keep pointers into the request memory for fields we need to update each time the request is sent out over the wire - we keep information about the result in an array in the request struct where the users can easily get at it. Signed-off-by: Sage Weil Reviewed-by: Alex Elder --- fs/ceph/addr.c | 31 ++++++------------------------- 1 file changed, 6 insertions(+), 25 deletions(-) (limited to 'fs/ceph/addr.c') diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index fc613715af46..cfef3e01a9b3 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -236,16 +236,10 @@ static int ceph_readpage(struct file *filp, struct page *page) static void finish_read(struct ceph_osd_request *req, struct ceph_msg *msg) { struct inode *inode = req->r_inode; - struct ceph_osd_reply_head *replyhead; - int rc, bytes; + int rc = req->r_result; + int bytes = le32_to_cpu(msg->hdr.data_len); int i; - /* parse reply */ - replyhead = msg->front.iov_base; - WARN_ON(le32_to_cpu(replyhead->num_ops) == 0); - rc = le32_to_cpu(replyhead->result); - bytes = le32_to_cpu(msg->hdr.data_len); - dout("finish_read %p req %p rc %d bytes %d\n", inode, req, rc, bytes); /* unlock all pages, zeroing any data we didn't read */ @@ -553,27 +547,18 @@ static void writepages_finish(struct ceph_osd_request *req, struct ceph_msg *msg) { struct inode *inode = req->r_inode; - struct ceph_osd_reply_head *replyhead; - struct ceph_osd_op *op; struct ceph_inode_info *ci = ceph_inode(inode); unsigned wrote; struct page *page; int i; struct ceph_snap_context *snapc = req->r_snapc; struct address_space *mapping = inode->i_mapping; - __s32 rc = -EIO; - u64 bytes = 0; + int rc = req->r_result; + u64 bytes = le64_to_cpu(req->r_request_ops[0].extent.length); struct ceph_fs_client *fsc = ceph_inode_to_client(inode); long writeback_stat; unsigned issued = ceph_caps_issued(ci); - /* parse reply */ - replyhead = msg->front.iov_base; - WARN_ON(le32_to_cpu(replyhead->num_ops) == 0); - op = (void *)(replyhead + 1); - rc = le32_to_cpu(replyhead->result); - bytes = le64_to_cpu(op->extent.length); - if (rc >= 0) { /* * Assume we wrote the pages we originally sent. The @@ -740,8 +725,6 @@ retry: struct page *page; int want; u64 offset, len; - struct ceph_osd_request_head *reqhead; - struct ceph_osd_op *op; long writeback_stat; next = 0; @@ -905,10 +888,8 @@ get_more_pages: /* revise final length, page count */ req->r_num_pages = locked_pages; - reqhead = req->r_request->front.iov_base; - op = (void *)(reqhead + 1); - op->extent.length = cpu_to_le64(len); - op->payload_len = cpu_to_le32(len); + req->r_request_ops[0].extent.length = cpu_to_le64(len); + req->r_request_ops[0].payload_len = cpu_to_le32(len); req->r_request->hdr.data_len = cpu_to_le32(len); rc = ceph_osdc_start_request(&fsc->client->osdc, req, true); -- cgit v1.2.1