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authorThomas Tuttle <ttuttle@google.com>2008-06-05 22:46:58 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-06-06 11:29:13 -0700
commit4710d1ac4c491dd8a28f57946214c0b5fe73cc87 (patch)
tree8c62c8665e343be25cb1d351a0cc4075f70e7241 /Documentation
parentbbcdac0c20aa20d1daad41d9c138102b70e5aae4 (diff)
pagemap: return EINVAL, not EIO, for unaligned reads of kpagecount or kpageflags
If the user tries to read from a position that is not a multiple of 8, or read a number of bytes that is not a multiple of 8, they have passed an invalid argument to read, for the purpose of reading these files. It's not an IO error because we didn't encounter any trouble finding the data they asked for. Signed-off-by: Thomas Tuttle <ttuttle@google.com> Cc: Matt Mackall <mpm@selenic.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation')
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