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xfs: avoid dependency on Linux XATTR_SIZE_MAX

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Currently, we depends on Linux XATTR value for on disk
definition. Which causes trouble on other platforms and
maybe also if this value was to change.

Fix it by creating a custom definition independent from
those in Linux (although with the same values), so it is OK
with the be16 fields used for holding these attributes.

This patch reflects a change in xfsprogs.

Signed-off-by: Jan Tulak <jtulak@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Jan Tulak
2015-10-12 16:03:59 +11:00
committed by Dave Chinner
parent 4e247614a9
commit 51fcbfe709
3 changed files with 12 additions and 4 deletions
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2
fs/xfs/libxfs/xfs_attr_remote.c
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@@ -107,7 +107,7 @@ xfs_attr3_rmt_verify(
if (be32_to_cpu(rmt->rm_bytes) > fsbsize - sizeof(*rmt))
return false;
if (be32_to_cpu(rmt->rm_offset) +
be32_to_cpu(rmt->rm_bytes) > XATTR_SIZE_MAX)
be32_to_cpu(rmt->rm_bytes) > XFS_XATTR_SIZE_MAX)
return false;
if (rmt->rm_owner == 0)
return false;