The XFS_IOC_FSGEOMETRY ioctl doesn't like fds that are opened O_PATH

To: linux-xfs <linux-xfs@xxxxxxxxxxxxxxx>
Subject: The XFS_IOC_FSGEOMETRY ioctl doesn't like fds that are opened O_PATH
From: David Howells <dhowells@xxxxxxxxxx>
Date: Thu, 30 Mar 2017 00:57:08 +0100
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Should XFS_IOC_FSGEOMETRY work on fds that are opened O_PATH on an XFS
filesystem?  Or should xfs_io not call that ioctl on O_PATH fds?

David

Follow-Ups:
- Re: The XFS_IOC_FSGEOMETRY ioctl doesn't like fds that are opened O_PATH
  - From: Darrick J. Wong

References:
- [PATCH] xfs_io: Allow -P and -L to be given to open for O_PATH and O_NOFOLLOW
  - From: David Howells
- [PATCH] xfs_io: Allow "open -P" to specify O_PATH
  - From: David Howells