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Andreas Gruenbacher
d8e5df11f2
Both ext4 and xfs have a bug in the page cache scanning code for
SEEK_HOLE / SEEK_DATA in unwritten extents: the start offset isn't
taken into account when scanning a page, so seeking can fail on
filesystems with a block size less than half of the page size. For
example, the following command fails on a filesystem with a block
size of 1k:
xfs_io -f -c "falloc 0 4k" \
-c "pwrite 1k 1k" \
-c "pwrite 3k 1k" \
-c "seek -a -r 0" foo
Like with generic/436, the actual tests are added to seek_sanity_test.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Reviewed-by: Eryu Guan <eguan@redhat.com>
Signed-off-by: Eryu Guan <eguan@redhat.com>
3 lines
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3 lines
43 B
Plaintext
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