> On 19 Feb 2017, at 18:08, Christos Zoulas wrote:
>
> In article ,
> J. Hannken-Illjes wrote:
>>
>> Comments or objections anyone?
>
> Will that detect open for write file descriptors to removed files?
This is the job of vflush(). Since Rev. 1.46 of vfs_mount.c (2017/01/27)
it handles both
In article ,
J. Hannken-Illjes wrote:
>
>Comments or objections anyone?
Will that detect open for write file descriptors to removed files?
christos
> Date: Sun, 19 Feb 2017 11:15:54 +0100
> From: "J. Hannken-Illjes"
>
> Plan is to suspend the file system while the mounted file system
> gets updated. This way no operations run on the mounted file
> system during update and all operations see the state before or
> after the update.
> [...]
>
Updating a mounted file system from read-write to read-only is
racy as it is not clear when a mounted file system is read-only.
Currently we set MNT_RDONLY before we call VFS_MOUNT(). If
VFS_MOUNT() fails some operations may see the mounted file
system read-only but this was never the case. Even
