From: Alex Zhuravlev <alexey.zhurav...@intel.com> rather than fetch them one by one.
Signed-off-by: Alex Zhuravlev <alexey.zhurav...@intel.com> Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5278 Reviewed-on: http://review.whamcloud.com/13612 Reviewed-by: Nathaniel Clark <nathaniel.l.cl...@intel.com> Reviewed-by: Andreas Dilger <andreas.dil...@intel.com> Signed-off-by: James Simmons <jsimm...@infradead.org> --- .../staging/lustre/lustre/obdecho/echo_client.c | 38 ++++++++----------- 1 files changed, 16 insertions(+), 22 deletions(-) diff --git a/drivers/staging/lustre/lustre/obdecho/echo_client.c b/drivers/staging/lustre/lustre/obdecho/echo_client.c index d8e3e96..c69588c 100644 --- a/drivers/staging/lustre/lustre/obdecho/echo_client.c +++ b/drivers/staging/lustre/lustre/obdecho/echo_client.c @@ -1335,7 +1335,7 @@ static int echo_client_prep_commit(const struct lu_env *env, { struct obd_ioobj ioo; struct niobuf_local *lnb; - struct niobuf_remote *rnb; + struct niobuf_remote rnb; u64 off; u64 npages, tot_pages; int i, ret = 0, brw_flags = 0; @@ -1347,9 +1347,7 @@ static int echo_client_prep_commit(const struct lu_env *env, tot_pages = count >> PAGE_SHIFT; lnb = kcalloc(npages, sizeof(struct niobuf_local), GFP_NOFS); - rnb = kcalloc(npages, sizeof(struct niobuf_remote), GFP_NOFS); - - if (!lnb || !rnb) { + if (!lnb) { ret = -ENOMEM; goto out; } @@ -1361,25 +1359,22 @@ static int echo_client_prep_commit(const struct lu_env *env, off = offset; - for (; tot_pages; tot_pages -= npages) { + for (; tot_pages > 0; tot_pages -= npages) { int lpages; if (tot_pages < npages) npages = tot_pages; - for (i = 0; i < npages; i++, off += PAGE_SIZE) { - rnb[i].rnb_offset = off; - rnb[i].rnb_len = PAGE_SIZE; - rnb[i].rnb_flags = brw_flags; - } - - ioo.ioo_bufcnt = npages; + rnb.rnb_offset = off; + rnb.rnb_len = npages * PAGE_SIZE; + rnb.rnb_flags = brw_flags; + ioo.ioo_bufcnt = 1; + off += npages * PAGE_SIZE; lpages = npages; - ret = obd_preprw(env, rw, exp, oa, 1, &ioo, rnb, &lpages, lnb); + ret = obd_preprw(env, rw, exp, oa, 1, &ioo, &rnb, &lpages, lnb); if (ret != 0) goto out; - LASSERT(lpages == npages); for (i = 0; i < lpages; i++) { struct page *page = lnb[i].lnb_page; @@ -1398,17 +1393,17 @@ static int echo_client_prep_commit(const struct lu_env *env, if (rw == OBD_BRW_WRITE) echo_client_page_debug_setup(page, rw, - ostid_id(&oa->o_oi), - rnb[i].rnb_offset, - rnb[i].rnb_len); + ostid_id(&oa->o_oi), + lnb[i].lnb_file_offset, + lnb[i].lnb_len); else echo_client_page_debug_check(page, - ostid_id(&oa->o_oi), - rnb[i].rnb_offset, - rnb[i].rnb_len); + ostid_id(&oa->o_oi), + lnb[i].lnb_file_offset, + lnb[i].lnb_len); } - ret = obd_commitrw(env, rw, exp, oa, 1, &ioo, rnb, npages, lnb, + ret = obd_commitrw(env, rw, exp, oa, 1, &ioo, &rnb, npages, lnb, ret); if (ret != 0) goto out; @@ -1420,7 +1415,6 @@ static int echo_client_prep_commit(const struct lu_env *env, out: kfree(lnb); - kfree(rnb); return ret; } -- 1.7.1 _______________________________________________ devel mailing list de...@linuxdriverproject.org http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
