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<p class="MsoNormal"><span lang="EN-US">Hi¸ we test one file which is larger than 2T, then we get the information wrong.
</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">Without patch, the result is as below, OCFS2, and you can see that size of the file and the blocks is not well:
</span></p>
<p class="MsoNormal"><span lang="EN-US"> # ls -al /vms/ocfs2lv/test_base_0 </span>
</p>
<p class="MsoNormal"><span lang="EN-US"> -rw------- 1 root root 2618930032640 Aug 29 19:00 /vms/ocfs2lv/test_base_0</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US"> # stat --format="%b %B" /vms/ocfs2lv/test_base_0
</span></p>
<p class="MsoNormal"><span lang="EN-US"> 820127744 512</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US"> # ls -alsi /vms/ocfs2lv/test_base_0 </span>
</p>
<p class="MsoNormal"><span lang="EN-US"> 2100482 410063872 -rw------- 1 root root 2618930032640 Aug 29 19:00 /vms/ocfs2lv/test_base_0</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US"> # ls -al /vms/ocfs2lv/test_base_0 </span>
</p>
<p class="MsoNormal"><span lang="EN-US"> -rw------- 1 root root 2618930032640 Aug 29 19:00 /vms/ocfs2lv/test_base_0</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">With patch, the information of the file is correct, and the file may be have some parse space in it, so the diff of the space can be ingnored:
</span></p>
<p class="MsoNormal"><span lang="EN-US"> # stat --format "%b %B" /vms/ocfs2lv/test_base_0
</span></p>
<p class="MsoNormal"><span lang="EN-US"> 5115095040 512</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US"> # ls -alsi /vms/ocfs2lv/test_base_0 </span>
</p>
<p class="MsoNormal"><span lang="EN-US"> 2100482 2557547520 -rw------- 1 root root 2618930032640 Aug 29 19:00 /vms/ocfs2lv/test_base_0</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">The patch is as below, we known that the blocks count is not correct, but we are not sure the patch has any side-effect with other part of OCFS2, so requesting reviews.</span></p>
<p class="MsoNormal"><span lang="EN-US">Would some OCFS2 experts have time to review it and merged it into main line? Thanks</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">--- inode.h 2014-08-09 14:23:42.609594669 +0800</span></p>
<p class="MsoNormal"><span lang="EN-US">+++ inode.h 2014-09-01 14:30:37.224294249 +0800</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">@@ -157,7 +155,7 @@ static inline blkcnt_t ocfs2_inode_sector_count(struct inode *inode)</span></p>
<p class="MsoNormal"><span lang="EN-US">{</span></p>
<p class="MsoNormal"><span lang="EN-US"> int c_to_s_bits = OCFS2_SB(inode->i_sb)->s_clustersize_bits - 9;</span></p>
<p class="MsoNormal"><span lang="EN-US"></span></p>
<p class="MsoNormal"><span lang="EN-US">- return (blkcnt_t)(OCFS2_I(inode)->ip_clusters << c_to_s_bits);</span></p>
<p class="MsoNormal"><span lang="EN-US">+ return (blkcnt_t)((unsigned long)OCFS2_I(inode)->ip_clusters << c_to_s_bits);</span></p>
<p class="MsoNormal"><span lang="EN-US">}</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
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