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authorBharath Vedartham <linux.bhar@gmail.com>2019-05-15 01:44:29 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2019-05-15 05:52:50 +0300
commit672cdd56f0ae95069e399db790dbf2e303ac72b7 (patch)
treed68d174568a9992051a49a9886e4cca991050a73 /fs/fat/file.c
parent1dcaa138fc7d87982ccddb7df9e4c30c6cb6eb15 (diff)
downloadlinux-672cdd56f0ae95069e399db790dbf2e303ac72b7.tar.xz
reiserfs: add comment to explain endianness issue in xattr_hash
csum_partial() gives different results for little-endian and big-endian hosts. This causes images created on little-endian hosts and mounted on big endian hosts to see csum mismatches. This causes an endianness bug. Sparse gives a warning as csum_partial returns a restricted integer type __wsum_t and xattr_hash expects __u32. This warning acts as a reminder for this bug and should not be suppressed. This comment aims to convey these endianness issues. [akpm@linux-foundation.org: coding-style fixes] Link: http://lkml.kernel.org/r/20190423161831.GA15387@bharath12345-Inspiron-5559 Signed-off-by: Bharath Vedartham <linux.bhar@gmail.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Jann Horn <jannh@google.com> Cc: Jeff Mahoney <jeffm@suse.com> Cc: Jan Kara <jack@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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