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Date: Tue, 14 Aug 2007 17:53:39 +0400 From: Alex Tomas <alex@...sterfs.com> To: Kalpak Shah <kalpak@...sterfs.com> CC: TheodoreTso <tytso@....edu>, Andreas Dilger <adilger@...sterfs.com>, linux-ext4 <linux-ext4@...r.kernel.org> Subject: Re: Change output format of filefrag I'd make sense to dump location of index blocks as well (optional?). thanks, Alex Kalpak Shah wrote: > Hi, > > I am adding FIEMAP support to filefrag and I noticed that current output > format of filefrag can be improved a lot. It is very difficult to add > information like lun, extent type, etc. to such a format. > > $ filefrag -v /tmp/abc > > Checking /tmp/abc > Filesystem type is: ef53 > Filesystem cylinder groups is approximately 296 > File is stored in extents format > Blocksize of file /tmp/abc is 1024 > File size of /tmp/abc is 10485760 (10240 blocks) > First block: 4609 > Last block: 26068 > Discontinuity: Block 512 is at 8556 (was 5120) > Discontinuity: Block 517 is at 15729 (was 8560) > Discontinuity: Block 1173 is at 16633 (was 16384) > Discontinuity: Block 9117 is at 24945 (was 24576) > Discontinuity: Block 9125 is at 24954 (was 24952) > /tmp/abc: 6 extents found > > I think an output format similar to that of xfs may be better. This is > easier for parsing as well. Like this: > > $ filefrag -e {filename} > > ext: logical: phys start..end kB: kB :lun: flags > 0: [0..151]: 288444888..288445039: 152 : 0 : > 1: [152..199]: XXXXXXXX..YYYYYYYYYY: 47 : 0 : hole > 2: [200..299]: MMMMMMMM..NNNNNNNNNN: 100 : 0 : unwritten, unknown > > Please suggest if this is ok. > > Thanks, > Kalpak. > > > - > To unsubscribe from this list: send the line "unsubscribe linux-ext4" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html - To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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