Re: [PATCH v8 05/19] block, fs: Restore the per-bio/request data lifetime fields

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On 1/23/24 04:35, Kanchan Joshi wrote:
At the cost of inviting some extra work. Because this patch used
file_inode, the patch 6 needs to set the hint on two inodes.
If we use bdev_file_inode, this whole thing becomes clean.

The idea of accessing block devices only in the F_SET_RW_HINT
implementation is wrong because it involves a layering violation.
With the current patch series data lifetime information is
available to filesystems like Fuse. If the F_SET_RW_HINT
implementation would iterate over block devices, no data lifetime
information would be available to filesystems like Fuse.

Bart.




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