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Block patches

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- Fix for file-posix's zoning code crashing on I/O errors
 - Throttling refactoring
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Merge tag 'pull-block-2023-09-01' of https://gitlab.com/hreitz/qemu into staging

Block patches

- Fix for file-posix's zoning code crashing on I/O errors
- Throttling refactoring

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# gpg:                using RSA key CB62D7A0EE3829E45F004D34A1FA40D098019CDF
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# gpg: Good signature from "Hanna Reitz <hreitz@redhat.com>" [unknown]
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# Primary key fingerprint: CB62 D7A0 EE38 29E4 5F00  4D34 A1FA 40D0 9801 9CDF

* tag 'pull-block-2023-09-01' of https://gitlab.com/hreitz/qemu:
  tests/file-io-error: New test
  file-posix: Simplify raw_co_prw's 'out' zone code
  file-posix: Fix zone update in I/O error path
  file-posix: Check bs->bl.zoned for zone info
  file-posix: Clear bs->bl.zoned on error
  block/throttle-groups: Use ThrottleDirection instread of bool is_write
  fsdev: Use ThrottleDirection instread of bool is_write
  throttle: use THROTTLE_MAX/ARRAY_SIZE for hard code
  throttle: use enum ThrottleDirection instead of bool is_write
  cryptodev: use NULL throttle timer cb for read direction
  test-throttle: test read only and write only
  throttle: support read-only and write-only
  test-throttle: use enum ThrottleDirection
  throttle: introduce enum ThrottleDirection

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2023-09-21 09:05:09 -04:00
commit 416af8564f
14 changed files with 418 additions and 171 deletions
Download patch file Download diff file Expand all files Collapse all files

42
block/file-posix.c
View file

@ -1412,11 +1412,9 @@ static void raw_refresh_zoned_limits(BlockDriverState *bs, struct stat *st,
BlockZoneModel zoned;
int ret;
bs->bl.zoned = BLK_Z_NONE;
ret = get_sysfs_zoned_model(st, &zoned);
if (ret < 0 || zoned == BLK_Z_NONE) {
return;
goto no_zoned;
}
bs->bl.zoned = zoned;
@ -1437,10 +1435,10 @@ static void raw_refresh_zoned_limits(BlockDriverState *bs, struct stat *st,
if (ret < 0) {
error_setg_errno(errp, -ret, "Unable to read chunk_sectors "
"sysfs attribute");
return;
goto no_zoned;
} else if (!ret) {
error_setg(errp, "Read 0 from chunk_sectors sysfs attribute");
return;
goto no_zoned;
}
bs->bl.zone_size = ret << BDRV_SECTOR_BITS;
@ -1448,10 +1446,10 @@ static void raw_refresh_zoned_limits(BlockDriverState *bs, struct stat *st,
if (ret < 0) {
error_setg_errno(errp, -ret, "Unable to read nr_zones "
"sysfs attribute");
return;
goto no_zoned;
} else if (!ret) {
error_setg(errp, "Read 0 from nr_zones sysfs attribute");
return;
goto no_zoned;
}
bs->bl.nr_zones = ret;
@ -1472,10 +1470,15 @@ static void raw_refresh_zoned_limits(BlockDriverState *bs, struct stat *st,
ret = get_zones_wp(bs, s->fd, 0, bs->bl.nr_zones, 0);
if (ret < 0) {
error_setg_errno(errp, -ret, "report wps failed");
bs->wps = NULL;
return;
goto no_zoned;
}
qemu_co_mutex_init(&bs->wps->colock);
return;
no_zoned:
bs->bl.zoned = BLK_Z_NONE;
g_free(bs->wps);
bs->wps = NULL;
}
#else /* !defined(CONFIG_BLKZONED) */
static void raw_refresh_zoned_limits(BlockDriverState *bs, struct stat *st,
@ -2452,9 +2455,10 @@ static int coroutine_fn raw_co_prw(BlockDriverState *bs, uint64_t offset,
if (fd_open(bs) < 0)
return -EIO;
#if defined(CONFIG_BLKZONED)
if ((type & (QEMU_AIO_WRITE | QEMU_AIO_ZONE_APPEND)) && bs->wps) {
if ((type & (QEMU_AIO_WRITE | QEMU_AIO_ZONE_APPEND)) &&
bs->bl.zoned != BLK_Z_NONE) {
qemu_co_mutex_lock(&bs->wps->colock);
if (type & QEMU_AIO_ZONE_APPEND && bs->bl.zone_size) {
if (type & QEMU_AIO_ZONE_APPEND) {
int index = offset / bs->bl.zone_size;
offset = bs->wps->wp[index];
}
@ -2502,11 +2506,10 @@ static int coroutine_fn raw_co_prw(BlockDriverState *bs, uint64_t offset,
out:
#if defined(CONFIG_BLKZONED)
{
BlockZoneWps *wps = bs->wps;
if (ret == 0) {
if ((type & (QEMU_AIO_WRITE | QEMU_AIO_ZONE_APPEND))
&& wps && bs->bl.zone_size) {
if ((type & (QEMU_AIO_WRITE | QEMU_AIO_ZONE_APPEND)) &&
bs->bl.zoned != BLK_Z_NONE) {
BlockZoneWps *wps = bs->wps;
if (ret == 0) {
uint64_t *wp = &wps->wp[offset / bs->bl.zone_size];
if (!BDRV_ZT_IS_CONV(*wp)) {
if (type & QEMU_AIO_ZONE_APPEND) {
@ -2519,17 +2522,12 @@ out:
*wp = offset + bytes;
}
}
}
} else {
if (type & (QEMU_AIO_WRITE | QEMU_AIO_ZONE_APPEND)) {
} else {
update_zones_wp(bs, s->fd, 0, 1);
}
}
if ((type & (QEMU_AIO_WRITE | QEMU_AIO_ZONE_APPEND)) && wps) {
qemu_co_mutex_unlock(&wps->colock);
}
}
#endif
return ret;
}