io.c (3af78db68176a049e2570822f64604e0692c1447) io.c (038adc2f5850e32019bda06c559d0301be436eae)
1/*
2 * Block layer I/O functions
3 *
4 * Copyright (c) 2003 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights

--- 146 unchanged lines hidden (view full) ---

155 bdrv_refresh_limits(bs->file->bs, &local_err);
156 if (local_err) {
157 error_propagate(errp, local_err);
158 return;
159 }
160 bdrv_merge_limits(&bs->bl, &bs->file->bs->bl);
161 } else {
162 bs->bl.min_mem_alignment = 512;
1/*
2 * Block layer I/O functions
3 *
4 * Copyright (c) 2003 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights

--- 146 unchanged lines hidden (view full) ---

155 bdrv_refresh_limits(bs->file->bs, &local_err);
156 if (local_err) {
157 error_propagate(errp, local_err);
158 return;
159 }
160 bdrv_merge_limits(&bs->bl, &bs->file->bs->bl);
161 } else {
162 bs->bl.min_mem_alignment = 512;
163 bs->bl.opt_mem_alignment = getpagesize();
163 bs->bl.opt_mem_alignment = qemu_real_host_page_size;
164
165 /* Safe default since most protocols use readv()/writev()/etc */
166 bs->bl.max_iov = IOV_MAX;
167 }
168
169 if (bs->backing) {
170 bdrv_refresh_limits(bs->backing->bs, &local_err);
171 if (local_err) {

--- 3249 unchanged lines hidden --- 		164
165 /* Safe default since most protocols use readv()/writev()/etc */
166 bs->bl.max_iov = IOV_MAX;
167 }
168
169 if (bs->backing) {
170 bdrv_refresh_limits(bs->backing->bs, &local_err);
171 if (local_err) {

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