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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hello<o:p></o:p></p><p class=MsoNormal>I am trying to log all the calls going to the VFS file system from the application. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>For write calls I notice an anomaly. I introduced a log at the vfs_write() function , I see it get’s logged twice for every write in the log output. <o:p></o:p></p><p class=MsoNormal>I also tried do_sync_write() the result is same.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Time stamp VFS Action filename Size time taken(us)<o:p></o:p></p><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width=1126 style='width:844.25pt;margin-left:-.75pt;border-collapse:collapse'><tr style='height:14.25pt'><td width=100 nowrap valign=bottom style='width:74.65pt;padding:0in 5.4pt 0in 5.4pt;height:14.25pt'><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Lucida Sans","sans-serif";color:black'>626.212738<o:p></o:p></span></p></td><td width=160 nowrap valign=bottom style='width:120.0pt;padding:0in 5.4pt 0in 5.4pt;height:14.25pt'><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Lucida Sans","sans-serif";color:black'> OPEN<o:p></o:p></span></p></td><td width=365 nowrap valign=bottom style='width:274.1pt;padding:0in 5.4pt 0in 5.4pt;height:14.25pt'><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Lucida Sans","sans-serif";color:black'>/data/media/DCIM/Camera/VID_20000101_002412.mp4.tmp <o:p></o:p></span></p></td><td width=90 nowrap valign=bottom style='width:67.5pt;padding:0in 5.4pt 0in 5.4pt;height:14.25pt'><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Lucida Sans","sans-serif";color:black'>flags=131585 <o:p></o:p></span></p></td><td width=171 nowrap valign=bottom style='width:128.0pt;padding:0in 5.4pt 0in 5.4pt;height:14.25pt'><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Lucida Sans","sans-serif";color:black'>mode =0<o:p></o:p></span></p></td><td width=80 nowrap valign=bottom style='width:60.0pt;padding:0in 5.4pt 0in 5.4pt;height:14.25pt'></td><td width=80 nowrap valign=bottom style='width:60.0pt;padding:0in 5.4pt 0in 5.4pt;height:14.25pt'></td><td width=80 nowrap valign=bottom style='width:60.0pt;padding:0in 5.4pt 0in 5.4pt;height:14.25pt'></td></tr><tr style='height:14.25pt'><td width=100 nowrap valign=bottom style='width:74.65pt;padding:0in 5.4pt 0in 5.4pt;height:14.25pt'><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Lucida Sans","sans-serif";color:black'> 628.187652<o:p></o:p></span></p></td><td width=160 nowrap valign=bottom style='width:120.0pt;padding:0in 5.4pt 0in 5.4pt;height:14.25pt'><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Lucida Sans","sans-serif";color:black'> WRITE<o:p></o:p></span></p></td><td width=365 nowrap valign=bottom style='width:274.1pt;padding:0in 5.4pt 0in 5.4pt;height:14.25pt'><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Lucida Sans","sans-serif";color:black'> VID_20000101_002412.mp4.tmp <o:p></o:p></span></p></td><td width=90 nowrap valign=bottom style='width:67.5pt;padding:0in 5.4pt 0in 5.4pt;height:14.25pt'><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Lucida Sans","sans-serif";color:black'>101606<o:p></o:p></span></p></td><td width=171 nowrap valign=bottom style='width:128.0pt;padding:0in 5.4pt 0in 5.4pt;height:14.25pt'><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Lucida Sans","sans-serif";color:black'>611<o:p></o:p></span></p></td><td width=80 nowrap valign=bottom style='width:60.0pt;padding:0in 5.4pt 0in 5.4pt;height:14.25pt'></td><td width=80 nowrap valign=bottom style='width:60.0pt;padding:0in 5.4pt 0in 5.4pt;height:14.25pt'></td><td width=80 nowrap valign=bottom style='width:60.0pt;padding:0in 5.4pt 0in 5.4pt;height:14.25pt'></td></tr><tr style='height:14.25pt'><td width=100 nowrap valign=bottom style='width:74.65pt;padding:0in 5.4pt 0in 5.4pt;height:14.25pt'><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Lucida Sans","sans-serif";color:black'> 628.187713<o:p></o:p></span></p></td><td width=160 nowrap valign=bottom style='width:120.0pt;padding:0in 5.4pt 0in 5.4pt;height:14.25pt'><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Lucida Sans","sans-serif";color:black'> WRITE<o:p></o:p></span></p></td><td width=365 nowrap valign=bottom style='width:274.1pt;padding:0in 5.4pt 0in 5.4pt;height:14.25pt'><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Lucida Sans","sans-serif";color:black'> VID_20000101_002412.mp4.tmp <o:p></o:p></span></p></td><td width=90 nowrap valign=bottom style='width:67.5pt;padding:0in 5.4pt 0in 5.4pt;height:14.25pt'><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Lucida Sans","sans-serif";color:black'>101606<o:p></o:p></span></p></td><td width=171 nowrap valign=bottom style='width:128.0pt;padding:0in 5.4pt 0in 5.4pt;height:14.25pt'><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Lucida Sans","sans-serif";color:black'>1160<o:p></o:p></span></p></td><td width=80 nowrap valign=bottom style='width:60.0pt;padding:0in 5.4pt 0in 5.4pt;height:14.25pt'></td><td width=80 nowrap valign=bottom style='width:60.0pt;padding:0in 5.4pt 0in 5.4pt;height:14.25pt'></td><td width=80 nowrap valign=bottom style='width:60.0pt;padding:0in 5.4pt 0in 5.4pt;height:14.25pt'></td></tr></table><p class=MsoNormal><span style='font-size:9.0pt'><o:p> </o:p></span></p><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width=1009 style='width:756.75pt;margin-left:-.75pt;border-collapse:collapse'><tr style='height:14.25pt'><td width=104 nowrap valign=bottom style='width:78.15pt;padding:0in 5.4pt 0in 5.4pt;height:14.25pt'><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Lucida Sans","sans-serif";color:black'> 628.188995<o:p></o:p></span></p></td><td width=160 nowrap valign=bottom style='width:120.0pt;padding:0in 5.4pt 0in 5.4pt;height:14.25pt'><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Lucida Sans","sans-serif";color:black'> WRITE<o:p></o:p></span></p></td><td width=259 nowrap valign=bottom style='width:194.1pt;padding:0in 5.4pt 0in 5.4pt;height:14.25pt'><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Lucida Sans","sans-serif";color:black'> VID_20000101_002412.mp4.tmp <o:p></o:p></span></p></td><td width=156 nowrap valign=bottom style='width:117.0pt;padding:0in 5.4pt 0in 5.4pt;height:14.25pt'><p class=MsoNormal align=right style='text-align:right'><span style='font-size:9.0pt;font-family:"Lucida Sans","sans-serif";color:black'>69782<o:p></o:p></span></p></td><td width=90 nowrap valign=bottom style='width:67.5pt;padding:0in 5.4pt 0in 5.4pt;height:14.25pt'><p class=MsoNormal align=right style='text-align:right'><span style='font-size:9.0pt;font-family:"Lucida Sans","sans-serif";color:black'>457<o:p></o:p></span></p></td><td width=80 nowrap valign=bottom style='width:60.0pt;padding:0in 5.4pt 0in 5.4pt;height:14.25pt'></td><td width=80 nowrap valign=bottom style='width:60.0pt;padding:0in 5.4pt 0in 5.4pt;height:14.25pt'></td><td width=80 nowrap valign=bottom style='width:60.0pt;padding:0in 5.4pt 0in 5.4pt;height:14.25pt'></td></tr><tr style='height:14.25pt'><td width=104 nowrap valign=bottom style='width:78.15pt;padding:0in 5.4pt 0in 5.4pt;height:14.25pt'><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Lucida Sans","sans-serif";color:black'> 628.189056<o:p></o:p></span></p></td><td width=160 nowrap valign=bottom style='width:120.0pt;padding:0in 5.4pt 0in 5.4pt;height:14.25pt'><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Lucida Sans","sans-serif";color:black'> WRITE<o:p></o:p></span></p></td><td width=259 nowrap valign=bottom style='width:194.1pt;padding:0in 5.4pt 0in 5.4pt;height:14.25pt'><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Lucida Sans","sans-serif";color:black'> VID_20000101_002412.mp4.tmp <o:p></o:p></span></p></td><td width=156 nowrap valign=bottom style='width:117.0pt;padding:0in 5.4pt 0in 5.4pt;height:14.25pt'><p class=MsoNormal align=right style='text-align:right'><span style='font-size:9.0pt;font-family:"Lucida Sans","sans-serif";color:black'>69782<o:p></o:p></span></p></td><td width=90 nowrap valign=bottom style='width:67.5pt;padding:0in 5.4pt 0in 5.4pt;height:14.25pt'><p class=MsoNormal align=right style='text-align:right'><span style='font-size:9.0pt;font-family:"Lucida Sans","sans-serif";color:black'>885<o:p></o:p></span></p></td><td width=80 nowrap valign=bottom style='width:60.0pt;padding:0in 5.4pt 0in 5.4pt;height:14.25pt'></td><td width=80 nowrap valign=bottom style='width:60.0pt;padding:0in 5.4pt 0in 5.4pt;height:14.25pt'></td><td width=80 nowrap valign=bottom style='width:60.0pt;padding:0in 5.4pt 0in 5.4pt;height:14.25pt'></td></tr></table><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Any clue why this anomaly ?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='color:#1F497D'>Warm Regards<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Georgia","serif";color:#1F497D'>Raghavendra G</span><span style='color:#1F497D'> </span><span lang=IT-CH><o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>