iopoll bio pcpu cache fix
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b4 am [email protected]Versions newest first
- v1 Latest2 patches 4 repliesIn review
Patches in v1 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/2 | mempool: introduce mempool_is_saturatedinclude/ | +5 | 0 replies | |
| 2/2 | bio: don't rob bios from starving biosetblock/ | +2 | 0 replies |
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Cover letter [PATCH for-6.1 0/2] iopoll bio pcpu cache fix
There are ways to deprive bioset mempool of requests using pcpu caches and never return them back, which breaks forward progress guarantees bioset tried to provide. Fix it.
Pavel Begunkov (2):
mempool: introduce mempool_is_saturated
bio: don't rob bios from starving bioset
block/bio.c | 2 ++ include/linux/mempool.h | 5 +++++ 2 files changed, 7 insertions(+)
Signature · 1 line
2.38.0