freevxfs: derive f_fsid from bdev->bd_dev

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The majority of blockdev filesystems, which do not have a UUID in their
on-disk format, derive f_fsid of statfs(2) from bdev->bd_dev.

Use the same practice for freevxfs.

This will allow reporting fanotify events with fanotify_event_info_fid.

Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Link: https://lore.kernel.org/r/20231024121457.3014063-1-amir73il@gmail.com
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner <brauner@kernel.org>

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Amir Goldstein 2023-10-24 15:14:57 +03:00 • committed by Christian Brauner

parent ae62bcb5e7

commit ceb3388043

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fs/freevxfs/vxfs_super.c

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