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common/rc: fix _get_max_lfs_filesize on 32-bit platforms

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The 32-bit calculation of the maximum filesize is incorrect.  Replace it
with the formula that the kernel has used since commit 0cc3b0ec23ce
("Clarify (and fix) MAX_LFS_FILESIZE macros").  This fixes a regression
in generic/351 on 32-bit kernels.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
This commit is contained in:
Darrick J. Wong
2020-01-15 21:11:07 -08:00
committed by Eryu Guan
parent e002de2e5b
commit cfa9327172
1 changed files with 3 additions and 1 deletions
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common/rc
+3 -1
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@@ -3999,7 +3999,9 @@ _get_max_lfs_filesize()
{
case "$(getconf LONG_BIT)" in
"32")
echo $(( ($(getconf PAGE_SIZE) << ($(getconf LONG_BIT) - 1) ) - 1))
local ulong_max=$(getconf ULONG_MAX)
local page_size=$(getconf PAGE_SIZE)
echo $(( ulong_max * page_size ))
;;
"64")
echo 9223372036854775807