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(parent: 4fbc2c6) | patch
xfs: fix the same_inode check in xfs_file_share_range
authorChristoph Hellwig <hch@lst.de>
Thu, 20 Oct 2016 04:49:03 +0000 (15:49 +1100)
committerDave Chinner <david@fromorbit.com>
Thu, 20 Oct 2016 04:49:03 +0000 (15:49 +1100)
commita62e82b35b97e60e9e22a4e303900f342139822f
tree59cb362b3750845f992dd70f578ddcacda986bactree | snapshot (tar.gz zip)
parent4fbc2c65255f77b315a4ee3ccac397d677a35737commit | diff
xfs: fix the same_inode check in xfs_file_share_range

The VFS i_ino is an unsigned long, while XFS inode numbers are 64-bit
wide, so checking i_ino for equality could lead to rate false positives
on 32-bit architectures.  Just compare the inode pointers themselves
to be safe.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
fs/xfs/xfs_file.c diff | blob | blame | history