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metaslab: don't pass whole zio to throttle reserve APIs

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They only need a couple of fields, and passing the whole thing just
invites fiddling around inside it, like modifying flags, which then
makes it much harder to understand the zio state from inside zio.c.

We move the flag update to just after a successful throttle in zio.c.

Rename ZIO_FLAG_IO_ALLOCATING to ZIO_FLAG_ALLOC_THROTTLED
Better describes what it means, and makes it look less like
IO_IS_ALLOCATING, which means something different.

Sponsored-by: Klara, Inc.
Sponsored-by: Wasabi Technology, Inc.
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Rob Norris <rob.norris@klarasystems.com>
Closes #17508
This commit is contained in:
Rob Norris
2025-07-05 13:22:22 +10:00
committed by GitHub
parent 92d3b4ee2c
commit 6af8db61b1
6 changed files with 44 additions and 39 deletions
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module/zcommon/zfs_valstr.c
+1 -1
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@@ -203,7 +203,7 @@ _VALSTR_BITFIELD_IMPL(zio_flag,
{ '?', "??", "[UNUSED 11]" },
{ '.', "ND", "NODATA" },
{ '.', "ID", "INDUCE_DAMAGE" },
{ '.', "AL", "IO_ALLOCATING" },
{ '.', "AT", "ALLOC_THROTTLED" },
{ '.', "RE", "IO_RETRY" },
{ '.', "PR", "PROBE" },
{ '.', "TH", "TRYHARD" },