From: Jan Stancek <jstancek@redhat.com>
To: ltp@lists.linux.it
Subject: [LTP] [PATCH v3] syscalls/ioctl_loop05: Use correct blockdev to get logical_block_size
Date: Wed, 24 Jun 2020 09:06:12 -0400 (EDT) [thread overview]
Message-ID: <1699837077.18529566.1593003972656.JavaMail.zimbra@redhat.com> (raw)
In-Reply-To: <20200624113217.GC30917@yuki.lan>
----- Original Message -----
> Looking at what that command does it's not that complex. It does
> statfs() to get minor and major number, then scans /proc/self/mountinfo
> for these, since these are on third column and then just prints whatever
> it's in the 10th column. This isn't more complex that what we have here
> and avoids needs to execute binaries and parse the output.
Thanks for mountinfo pointer. We went down the stat() route already,
but hit issues with some filesystems. I tried it now with mountinfo
approach and that does seem to fix btrfs case too, so I agree that
parsing /proc/self/mountinfo rather than df output is nicer.
next prev parent reply other threads:[~2020-06-24 13:06 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-09 8:33 [LTP] [PATCH] syscalls/ioctl_loop05: Get the logic_block_size dynamically Yang Xu
2020-06-09 9:24 ` Jan Stancek
2020-06-09 9:48 ` Yang Xu
2020-06-09 10:16 ` Jan Stancek
2020-06-09 10:46 ` Yang Xu
2020-06-09 11:01 ` Jan Stancek
2020-06-10 1:19 ` Yang Xu
2020-06-10 5:37 ` [LTP] [PATCH v2] syscalls/ioctl_loop05: Use correct blockdev to get logical_block_size Yang Xu
2020-06-10 10:13 ` Jan Stancek
2020-06-10 10:42 ` Yang Xu
2020-06-10 12:19 ` Yang Xu
2020-06-10 13:04 ` Jan Stancek
2020-06-11 4:56 ` Yang Xu
2020-06-11 5:32 ` [LTP] [PATCH v3] " Yang Xu
2020-06-11 11:09 ` Jan Stancek
2020-06-12 2:57 ` Yang Xu
2020-06-24 5:07 ` Yang Xu
2020-06-24 11:32 ` Cyril Hrubis
2020-06-24 13:06 ` Jan Stancek [this message]
2020-06-25 17:10 ` Yang Xu
2020-06-28 7:42 ` [LTP] [PATCH v4 1/2] tst_device: Add new api tst_find_backing_dev(path, dev) Yang Xu
2020-06-28 7:42 ` [LTP] [PATCH v4 2/2] syscalls/ioctl_loop05: Use correct blockdev to get logical_block_size Yang Xu
2020-06-29 7:56 ` [LTP] [PATCH v4 1/2] tst_device: Add new api tst_find_backing_dev(path, dev) Jan Stancek
2020-06-29 10:37 ` Yang Xu
2020-06-29 11:08 ` Jan Stancek
2020-06-29 11:41 ` [LTP] [PATCH v5 " Yang Xu
2020-06-29 11:41 ` [LTP] [PATCH v5 2/2] syscalls/ioctl_loop05: Use correct blockdev to get logical_block_size Yang Xu
2020-07-02 9:18 ` [LTP] [PATCH v5 1/2] tst_device: Add new api tst_find_backing_dev(path, dev) Jan Stancek
2020-07-02 12:27 ` Cyril Hrubis
2020-07-02 13:17 ` Jan Stancek
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