On 1/28/2024 11:56 PM, Mark Geisert via Cygwin wrote:
On 1/28/2024 10:44 PM, Cedric Blancher via Cygwin wrote:
Good morning!
rm -f myfile
touch myfile
/usr/bin/fallocate -v -d -l myfile takes forever with latest Cygwin 3.5
^ length goes here, before filename
I believe you need to
chattr +S myfile
after the 'touch' to make the file sparsifiable.
Also, I'm unsure if '-d' makes sense when initially allocating a sparse
file. If I leave it off, fallocate does the right thing.
I'm separately investigating the 'takes forever' report.
It's taking forever because it's in an infinite loop looking for data
followed by a hole, which is not present in a new file being created.
This is due to the '-d' option being specified. fallocate ought to
diagnose this condition rather than looping forever, but here we are.
It's possible we have an old fallocate from an old util-linux package.
I'll try to investigate this further when I have time.
..mark
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