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pespin has posted comments on this change by jolly. (
https://gerrit.osmocom.org/c/libosmocore/+/40725?usp=email )
Change subject: Automatically increase io_uring, if too small.
......................................................................
Patch Set 9:
(6 comments)
Commit Message:
https://gerrit.osmocom.org/c/libosmocore/+/40725/comment/bf3fa1ff_1903038e?… :
PS9, Line 23: to determine when all submissions are completed.
Sounds like an easy thing to add right? It makes sense to implement this either her eor on
a follow-up patch.
File src/core/osmo_io_internal.h:
https://gerrit.osmocom.org/c/libosmocore/+/40725/comment/b34815a0_ee55ba5c?… :
PS9, Line 110: bool read_enabled;
(At some point it may make sense to properly put all these fields into a "read"
and "write" substructs in here.)
File src/core/osmo_io_uring.c:
https://gerrit.osmocom.org/c/libosmocore/+/40725/comment/09634797_688ca5a4?… :
PS9, Line 126: g_ring = talloc_zero(OTC_GLOBAL, struct osmo_io_uring);
are you sure OTC_GLOBAL is defined at this point? Or is it actually NULL?
If it's still NULL better pass NULL explicitly to avoid creating confusion.
https://gerrit.osmocom.org/c/libosmocore/+/40725/comment/afc5fac1_bb6d44e8?… :
PS9, Line 175: g_io_uring_size *= 2;
Once you move this to an unsigned, you can do "<< 1" here. BTW, I
don't see you are making sure we don't go over the "maximum ring size
allowed" in there, the one you are checking in previous commit.
https://gerrit.osmocom.org/c/libosmocore/+/40725/comment/6946c3e3_7a05083e?… :
PS9, Line 208: /* All subsequent read SQEs must be on the same ring. */
This should imho go inside iofd_uring_get_sqe(), based on "current_ring" being
passed to it.
https://gerrit.osmocom.org/c/libosmocore/+/40725/comment/a8053e18_abe26da4?… :
PS9, Line 282: while (iofd->u.uring.reads_submitted <
((iofd->u.uring.num_read_sqes) ? : g_io_uring_read_sqes)) {
why is the g_io_uring_read_sqes reference needed here? How can iofd have num_read_sqes =
0, and if it does, why are we overriding it?
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Gerrit-Project: libosmocore
Gerrit-Branch: master
Gerrit-Change-Id: Id9230146acc8d54bfd44834e783c31b37bd64bca
Gerrit-Change-Number: 40725
Gerrit-PatchSet: 9
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