Hi, Akira, Akira Fujita wrote: > Hi Peng, > > This is a known issue, and I sent a patch to linux-ext4 2 weeks ago. > Unfortunately it is not included in the ext4 patch queue yet. > > http://marc.info/?l=linux-ext4&m=125447192709338&w=2 > > Would you retry your test case with above my patch? It didn't work. I still got the old donor file data. I applied the two patches to avoid conflicts: http://marc.info/?l=linux-ext4&m=125447192609335&w=2 http://marc.info/?l=linux-ext4&m=125447192709338&w=2 [bergwolf@move_extent]$sh test-5.sh make full-img ========create full.img======== dd if=/home/bergwolf/vm/OpenSolaris200805.iso of=full-1.img bs=1M count=30 30+0 records in 30+0 records out 31457280 bytes (31 MB) copied, 0.907358 s, 34.7 MB/s dd if="/home/bergwolf/vm/WINXP_EN_PRO_SP3_MSDN/WinXp+Sp3 enu.iso" of=full-2.img bs=1M count=30 30+0 records in 30+0 records out 31457280 bytes (31 MB) copied, 2.09212 s, 15.0 MB/s md5sum full-1.img full-2.img 4f47bee75290d094c94f8a7cb2075c69 full-1.img 9e35330146a610d0aa2fab1d16aa2b09 full-2.img ./a.out full-1.img full-2.img 7680 7680 md5sum full-1.img full-2.img 4f47bee75290d094c94f8a7cb2075c69 full-1.img 9e35330146a610d0aa2fab1d16aa2b09 full-2.img <---- wrong pagecache hit here [bergwolf@move_extent]$cd [bergwolf@~]$sudo umount /other/ [bergwolf@~]$sudo mount /other/ [bergwolf@~]$cd - /other/test/move_extent [bergwolf@move_extent]$md5sum full-2.img 4f47bee75290d094c94f8a7cb2075c69 full-2.img <snip> -- Best Regards, Peng Tao State Key Laboratory of Networking and Switching Technology Beijing Univ. of Posts and Telecoms. -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
