| Commit message (Collapse) | Author | Age | Files | Lines |
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It is now in the 'supertype'
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Rather than opencoding the byteswap all the time.
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A number of odd bugs here, but now we have a regression test as well.
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To ensure kernel never needs to allocate more than 1 page contiguously.
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Otheriwse the last write happens on fclose which is after ftruncate,
to the truncate has no effect.
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From: Paul Clements <paul.clements@steeleye.com>
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From: Luca Berra <bluca@vodka.it>
glibc 2.4 is pedantic on ignoring return values from fprintf, fwrite and
write, so now we check the rval and actually do something with it.
in the Grow.c case i only print a warning, since i don't think we can do
anything in case we fail invalidating those superblocks (is should never
happen, but then...)
Signed-off-by: Neil Brown <neilb@suse.de>
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Signed-off-by: Neil Brown <neilb@suse.de>
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When creating a file bitmap, choose a default size that
results in fewer than 2^21 chunks. Without this kmalloc
failure in the kernel becomes likely.
Signed-off-by: Neil Brown <neilb@suse.de>
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A pending patch to the kernel causes bitmap file updates
to not go through the page cache, so O_DIRECT is needed to
ensure that we read current data.
Signed-off-by: Neil Brown <neilb@suse.de>
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Signed-off-by: Neil Brown <neilb@suse.de>
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Signed-off-by: Neil Brown <neilb@suse.de>
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And a couple of other little things
Signed-off-by: Neil Brown <neilb@suse.de>
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Version-3 bitmaps are host-endian. Version-4 are little-endian
and so more portable.
Signed-off-by: Neil Brown <neilb@suse.de>
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Also some more tests - r5 and r6 bitmaps
Signed-off-by: Neil Brown <neilb@suse.de>
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Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
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Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
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Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
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Currently this includes
--write-behind to set level of write-behind supported
--write-mostly to flag devices as write-mostly.
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
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Assemble would crash, or just not work.
A few other problem found by a new test-suite.
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
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To quiet diet-libc
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
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For version 0.90 superblocks, an internal bitmap can be specified at create.
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
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Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
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