From: Patrick Steinhardt <ps@pks.im>
To: Taylor Blau <me@ttaylorr.com>
Cc: git@vger.kernel.org, Han-Wen Nienhuys <hanwenn@gmail.com>,
Jonathan Nieder <jrnieder@gmail.com>
Subject: Re: [PATCH v2 02/11] reftable: handle interrupted reads
Date: Mon, 11 Dec 2023 10:08:26 +0100 [thread overview]
Message-ID: <ZXbRir8Nnc3mMIoF@tanuki> (raw)
In-Reply-To: <ZXOK2o0jTgLmxPWZ@nand.local>
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On Fri, Dec 08, 2023 at 04:30:02PM -0500, Taylor Blau wrote:
> On Fri, Dec 08, 2023 at 03:53:02PM +0100, Patrick Steinhardt wrote:
> > There are calls to pread(3P) and read(3P) where we don't properly handle
> > interrupts. Convert them to use `pread_in_full()` and `read_in_full()`,
>
> Just checking... do you mean "interrupt" in the kernel sense? Or are you
> referring to the possibility of short reads/writes (in later patches)?
Both. The callsites I'm converting are explicitly checking that they get
the exact number of requested bytes. That means that we'll have to loop
both around EINTR/EAGAIN, but also around short reads.
Patrick
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next prev parent reply other threads:[~2023-12-11 9:08 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-21 7:04 [PATCH 0/8] reftable: small set of fixes Patrick Steinhardt
2023-11-21 7:04 ` [PATCH 1/8] reftable: wrap EXPECT macros in do/while Patrick Steinhardt
2023-11-21 7:04 ` [PATCH 2/8] reftable: handle interrupted reads Patrick Steinhardt
2023-11-21 7:04 ` [PATCH 3/8] reftable: handle interrupted writes Patrick Steinhardt
2023-11-21 7:04 ` [PATCH 4/8] reftable/stack: verify that `reftable_stack_add()` uses auto-compaction Patrick Steinhardt
2023-11-21 7:04 ` [PATCH 5/8] reftable/stack: perform auto-compaction with transactional interface Patrick Steinhardt
2023-12-21 10:29 ` Han-Wen Nienhuys
2023-12-21 10:45 ` Patrick Steinhardt
2023-11-21 7:04 ` [PATCH 6/8] reftable/stack: reuse buffers when reloading stack Patrick Steinhardt
2023-11-21 7:04 ` [PATCH 7/8] reftable/merged: reuse buffer to compute record keys Patrick Steinhardt
2023-12-21 10:48 ` Han-Wen Nienhuys
2023-11-21 7:04 ` [PATCH 8/8] reftable/stack: fix stale lock when dying Patrick Steinhardt
2023-12-08 14:52 ` [PATCH v2 00/11] reftable: small set of fixes Patrick Steinhardt
2023-12-08 14:52 ` [PATCH v2 01/11] reftable: wrap EXPECT macros in do/while Patrick Steinhardt
2023-12-08 14:53 ` [PATCH v2 02/11] reftable: handle interrupted reads Patrick Steinhardt
2023-12-08 21:30 ` Taylor Blau
2023-12-11 9:08 ` Patrick Steinhardt [this message]
2023-12-08 14:53 ` [PATCH v2 03/11] reftable: handle interrupted writes Patrick Steinhardt
2023-12-08 14:53 ` [PATCH v2 04/11] reftable/stack: verify that `reftable_stack_add()` uses auto-compaction Patrick Steinhardt
2023-12-08 21:35 ` Taylor Blau
2023-12-08 23:46 ` Eric Sunshine
2023-12-11 9:08 ` Patrick Steinhardt
2023-12-11 9:36 ` Eric Sunshine
2023-12-08 14:53 ` [PATCH v2 05/11] reftable/stack: perform auto-compaction with transactional interface Patrick Steinhardt
2023-12-08 22:14 ` Taylor Blau
2023-12-11 9:08 ` Patrick Steinhardt
2023-12-08 14:53 ` [PATCH v2 06/11] reftable/stack: reuse buffers when reloading stack Patrick Steinhardt
2023-12-08 22:17 ` Taylor Blau
2023-12-11 9:08 ` Patrick Steinhardt
2023-12-21 10:58 ` Han-Wen Nienhuys
2023-12-08 14:53 ` [PATCH v2 07/11] reftable/stack: fix stale lock when dying Patrick Steinhardt
2023-12-08 22:24 ` Taylor Blau
2023-12-11 9:08 ` Patrick Steinhardt
2023-12-08 14:53 ` [PATCH v2 08/11] reftable/stack: fix use of unseeded randomness Patrick Steinhardt
2023-12-21 10:49 ` Han-Wen Nienhuys
2023-12-08 14:53 ` [PATCH v2 09/11] reftable/merged: reuse buffer to compute record keys Patrick Steinhardt
2023-12-08 14:53 ` [PATCH v2 10/11] reftable/block: introduce macro to initialize `struct block_iter` Patrick Steinhardt
2023-12-08 14:53 ` [PATCH v2 11/11] reftable/block: reuse buffer to compute record keys Patrick Steinhardt
2023-12-21 10:43 ` Han-Wen Nienhuys
2023-12-28 5:53 ` Patrick Steinhardt
2023-12-08 22:26 ` [PATCH v2 00/11] reftable: small set of fixes Taylor Blau
2023-12-11 9:07 ` [PATCH v3 " Patrick Steinhardt
2023-12-11 9:07 ` [PATCH v3 01/11] reftable: wrap EXPECT macros in do/while Patrick Steinhardt
2023-12-11 9:07 ` [PATCH v3 02/11] reftable: handle interrupted reads Patrick Steinhardt
2023-12-11 9:07 ` [PATCH v3 03/11] reftable: handle interrupted writes Patrick Steinhardt
2023-12-11 9:07 ` [PATCH v3 04/11] reftable/stack: verify that `reftable_stack_add()` uses auto-compaction Patrick Steinhardt
2023-12-11 20:15 ` Taylor Blau
2023-12-12 3:44 ` Patrick Steinhardt
2023-12-11 9:07 ` [PATCH v3 05/11] reftable/stack: perform auto-compaction with transactional interface Patrick Steinhardt
2023-12-11 9:07 ` [PATCH v3 06/11] reftable/stack: reuse buffers when reloading stack Patrick Steinhardt
2023-12-11 9:07 ` [PATCH v3 07/11] reftable/stack: fix stale lock when dying Patrick Steinhardt
2023-12-11 9:07 ` [PATCH v3 08/11] reftable/stack: fix use of unseeded randomness Patrick Steinhardt
2023-12-11 9:08 ` [PATCH v3 09/11] reftable/merged: reuse buffer to compute record keys Patrick Steinhardt
2023-12-11 9:08 ` [PATCH v3 10/11] reftable/block: introduce macro to initialize `struct block_iter` Patrick Steinhardt
2023-12-11 9:08 ` [PATCH v3 11/11] reftable/block: reuse buffer to compute record keys Patrick Steinhardt
2023-12-11 20:16 ` [PATCH v3 00/11] reftable: small set of fixes Taylor Blau
2023-12-12 3:45 ` Patrick Steinhardt
2023-12-21 11:08 ` [PATCH 0/8] " Han-Wen Nienhuys
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