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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: Signature made Fri 01 Sep 2023 04:11:46 EDT
# gpg:                using RSA key CB62D7A0EE3829E45F004D34A1FA40D098019CDF
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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

6
include/block/throttle-groups.h
View file

@ -37,7 +37,7 @@ typedef struct ThrottleGroupMember {
AioContext *aio_context;
/* throttled_reqs_lock protects the CoQueues for throttled requests. */
CoMutex throttled_reqs_lock;
CoQueue throttled_reqs[2];
CoQueue throttled_reqs[THROTTLE_MAX];
/* Nonzero if the I/O limits are currently being ignored; generally
* it is zero. Accessed with atomic operations.
@ -54,7 +54,7 @@ typedef struct ThrottleGroupMember {
* throttle_state tells us if I/O limits are configured. */
ThrottleState *throttle_state;
ThrottleTimers throttle_timers;
unsigned pending_reqs[2];
unsigned pending_reqs[THROTTLE_MAX];
QLIST_ENTRY(ThrottleGroupMember) round_robin;
} ThrottleGroupMember;
@ -78,7 +78,7 @@ void throttle_group_restart_tgm(ThrottleGroupMember *tgm);
void coroutine_fn throttle_group_co_io_limits_intercept(ThrottleGroupMember *tgm,
int64_t bytes,
bool is_write);
ThrottleDirection direction);
void throttle_group_attach_aio_context(ThrottleGroupMember *tgm,
AioContext *new_context);
void throttle_group_detach_aio_context(ThrottleGroupMember *tgm);