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From: Jan Stancek <jstancek@redhat.com>
To: ltp@lists.linux.it
Subject: [LTP] [PATCH v4 1/2] tst_device: Add new api tst_find_backing_dev(path, dev)
Date: Mon, 29 Jun 2020 03:56:30 -0400 (EDT)	[thread overview]
Message-ID: <1418968619.19068649.1593417390787.JavaMail.zimbra@redhat.com> (raw)
In-Reply-To: <1593330123-19631-1-git-send-email-xuyang2018.jy@cn.fujitsu.com>



----- Original Message -----
> +This function finds the block dev that this path belongs to, it compares
> path buf
> +with the fifth column of each row in "/proc/self/mountinfo" and list 10th
> column
> +as its block dev.

Why not match major/minor numbers?

You said "But stat function has problem when filsystem uses virtual block
(such as btrfs,fuse, then major numer is 0)." - Why is that a problem
for comparison against /proc/self/mountinfo?


  parent reply	other threads:[~2020-06-29  7:56 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
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                           ` Jan Stancek [this message]
2020-06-29 10:37                             ` [LTP] [PATCH v4 1/2] tst_device: Add new api tst_find_backing_dev(path, dev) 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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