lkml.org 
[lkml]   [2018]   [Jul]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH 24/32] vfs: syscall: Add fsopen() to prepare for superblock creation [ver #9]
Date
Theodore Y. Ts'o <tytso@mit.edu> wrote:

> So maybe the answer is that you open /dev/sda1 and /dev/sda2 and then
> pass the file descriptors to the fsopen object? We can require that
> the fd's be opened with O_RDWR and O_EXCL, which has the benefit where
> if you have multiple block devices, you know *which* block device had
> a problem with being grabbed for an exclusive open.

Would that mean then that doing:

mount /dev/sda3 /a
mount /dev/sda3 /b

would then fail on the second command because /dev/sda3 is already open
exclusively?

David
\
 
 \ /
  Last update: 2018-07-15 22:06    [W:3.109 / U:0.916 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site