On 11/27/2014 01:27 AM, Duncan wrote:
Robert White posted on Wed, 26 Nov 2014 15:18:26 -0800 as excerpted:
I also don't see anything in the code that says "this ioctl will create
the checksums for the selected file" so you may have to do the copy you
tried to avoid.
Note that btrfs check has an --init-csum-tree switch.
I thought about that, but I doubt it's going to go through all the
inodes and clear the NODATASUM bit from the inode flags where it's been
set by something such as the conversion using -d or setting the
NODATACOW flag (e.g. the +C attribute).
So while that will, hopefully, recalculate the checksums on the regular
files I don't think it would have fixed his problem since those files
weren't "regular" at that point.
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