ovl: support the FS_IOC_FS[SG]ETXATTR ioctls

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They are the extended version of FS_IOC_FS[SG]ETFLAGS ioctls.
xfs_io -c "chattr <flags>" uses the new ioctls for setting flags.

This used to work in kernel pre v4.19, before stacked file ops
introduced the ovl_ioctl whitelist.

Reported-by: Dave Chinner <david@fromorbit.com>
Fixes: d1d04ef857 ("ovl: stack file ops")
Cc: <stable@vger.kernel.org> # v4.19
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>

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Amir Goldstein 2019-05-26 09:28:25 +03:00 • committed by Miklos Szeredi

parent cd6c84d8f0

commit b21d9c435f

1 changed files with 6 additions and 3 deletions

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fs/overlayfs/file.c

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