0d8d9bd342
Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
74 lines
2.9 KiB
Diff
74 lines
2.9 KiB
Diff
From 42dac3d063e0f44e92211a4fbdaf1f0d64843562 Mon Sep 17 00:00:00 2001
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From: Hanna Czenczek <hreitz@redhat.com>
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Date: Thu, 24 Aug 2023 17:53:41 +0200
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Subject: [PATCH 10/13] file-posix: Check bs->bl.zoned for zone info
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RH-Author: Hanna Czenczek <hreitz@redhat.com>
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RH-MergeRequest: 202: file-posix: Fix zone update in I/O error path
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RH-Jira: RHEL-7360
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RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
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RH-Commit: [2/5] d853b88d6b71b6f4fe1bb70ae2e3b6108cbdb8dc (hreitz/qemu-kvm-c-9-s)
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Instead of checking bs->wps or bs->bl.zone_size for whether zone
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information is present, check bs->bl.zoned. That is the flag that
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raw_refresh_zoned_limits() reliably sets to indicate zone support. If
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it is set to something other than BLK_Z_NONE, other values and objects
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like bs->wps and bs->bl.zone_size must be non-null/zero and valid; if it
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is not, we cannot rely on their validity.
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Signed-off-by: Hanna Czenczek <hreitz@redhat.com>
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Message-Id: <20230824155345.109765-3-hreitz@redhat.com>
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Reviewed-by: Sam Li <faithilikerun@gmail.com>
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(cherry picked from commit 4b5d80f3d02096a9bb1f651f6b3401ba40877159)
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Downstream: Fixed typo in the last hunk ("bs->blk" changed to
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"bs->blk"). This code is removed in the commit after the
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next, still, should be fixed now that I noticed.
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Signed-off-by: Hanna Czenczek <hreitz@redhat.com>
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---
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block/file-posix.c | 12 +++++++-----
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1 file changed, 7 insertions(+), 5 deletions(-)
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diff --git a/block/file-posix.c b/block/file-posix.c
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index 2b88b9eefa..9f14850e24 100644
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--- a/block/file-posix.c
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+++ b/block/file-posix.c
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@@ -2455,9 +2455,10 @@ static int coroutine_fn raw_co_prw(BlockDriverState *bs, uint64_t offset,
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if (fd_open(bs) < 0)
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return -EIO;
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#if defined(CONFIG_BLKZONED)
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- if ((type & (QEMU_AIO_WRITE | QEMU_AIO_ZONE_APPEND)) && bs->wps) {
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+ if ((type & (QEMU_AIO_WRITE | QEMU_AIO_ZONE_APPEND)) &&
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+ bs->bl.zoned != BLK_Z_NONE) {
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qemu_co_mutex_lock(&bs->wps->colock);
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- if (type & QEMU_AIO_ZONE_APPEND && bs->bl.zone_size) {
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+ if (type & QEMU_AIO_ZONE_APPEND) {
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int index = offset / bs->bl.zone_size;
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offset = bs->wps->wp[index];
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}
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@@ -2508,8 +2509,8 @@ out:
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{
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BlockZoneWps *wps = bs->wps;
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if (ret == 0) {
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- if ((type & (QEMU_AIO_WRITE | QEMU_AIO_ZONE_APPEND))
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- && wps && bs->bl.zone_size) {
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+ if ((type & (QEMU_AIO_WRITE | QEMU_AIO_ZONE_APPEND)) &&
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+ bs->bl.zoned != BLK_Z_NONE) {
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uint64_t *wp = &wps->wp[offset / bs->bl.zone_size];
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if (!BDRV_ZT_IS_CONV(*wp)) {
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if (type & QEMU_AIO_ZONE_APPEND) {
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@@ -2529,7 +2530,8 @@ out:
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}
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}
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- if ((type & (QEMU_AIO_WRITE | QEMU_AIO_ZONE_APPEND)) && wps) {
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+ if ((type & (QEMU_AIO_WRITE | QEMU_AIO_ZONE_APPEND)) &&
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+ bs->bl.zoned != BLK_Z_NONE) {
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qemu_co_mutex_unlock(&wps->colock);
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}
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}
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--
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2.39.3
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