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(parent: 3612abb) | patch
ceph: fix file offset wrapping at 4GB on 32-bit archs
authorSage Weil <sage@newdream.net>
Sat, 11 Sep 2010 17:55:25 +0000 (10:55 -0700)
committerSage Weil <sage@newdream.net>
Sat, 11 Sep 2010 17:55:25 +0000 (10:55 -0700)
commita77d9f7dce7600058d56f0670ed29d77abffcde2
tree60c0b90d2f3af86e9d65641f61ceca075ed61fdftree | snapshot (tar.gz zip)
parent3612abbd5df6baa9ca3e0777c6c8646e202d3f66commit | diff
ceph: fix file offset wrapping at 4GB on 32-bit archs

Cast the value before shifting so that we don't run out of bits with a
32-bit unsigned long.  This fixes wrapping of high file offsets into the
low 4GB of a file on disk, and the subsequent data corruption for large
files.

Signed-off-by: Sage Weil <sage@newdream.net>
fs/ceph/addr.c diff | blob | blame | history