Hi,
We've now resumed working on the xfs_fsr utility as discussed before, after our exams.
The first task that we undertook was to use fiemap to get file extent
mappings and tried to correlate the output with the information obtainedfrom xfs_bmap. For this we used the two underlying structures fiemap
We also wanted to ask about the current status of the rmap, as we'll
and fiemap_extent. We're now trying to use the available free space mapping
patches to get free spaces in the file system.
be required to define the interfaces that query it, as a key component of our
work.
Regards,
A-DRS.
On Mon, Dec 1, 2014 at 1:01 AM, Swapnil Pimpale <pimpale.swapnil@xxxxxxxxx> wrote:
Just say that you have resumed work on the project after the exam.On Sun, Nov 30, 2014 at 2:16 PM, Somdeep Dey <somdeepdey10@xxxxxxxxx> wrote:To view this discussion on the web visit https://groups.google.com/d/msgid/adrscube/CAJAKVEE2Lu%3DMReV9fdg0L4OvWAymJJv9qteNDm_1oHyNNcdKVw%40mail.gmail.com.This is the final draft :Hi,We were occupied with our exams for the last two months.We've now resumed working on the xfs_fsr utility as discussed before.The first task that we undertook was to use fiemap to get file extentmappings and tried to correlate the output with the information obtainedfrom xfs_bmap. For this we used the two underlying structures fiemapand fiemap_extent. We're now trying to use the available free space mappingpatches to get free spaces in the file system.We also wanted to ask about the current status of the rmap, as we'llbe required to define the interfaces that query it, as a key component of ourwork.Regards,A-DRS.On Sun, Nov 30, 2014 at 11:55 PM, Somdeep Dey <somdeepdey10@xxxxxxxxx> wrote:Hi,We were occupied with our exams for the last two months.We've now resumed working on the xfs_fsr utility as discussed before.The first task that we undertook was to use fiemap to get file extentmappings and tried to correlate the output with the information obtainedfrom xfs_bmap. For this we used the two underlying structures fiemapand fiemap_extent. We're now trying to use the available free space mappingpatches to get free spaces in the file system.We also wanted to ask about the current status of the rmap, as we'llbe required to define the interfaces that query it, as a key component of ourwork.Regards,A-DRS.On Sun, Nov 30, 2014 at 9:37 PM, Nafisa Mandliwala <nafisa.mandliwala@xxxxxxxxx> wrote:Umm, no need to apologize.What you showed me on Thursday was the standard fiemap ioctl that gives the extents used by a file.Say that you're now trying to use Dave's freespace mapping patches to get free spaces in the file system.Also, you're going to define the interfaces needed to query the rmap, not just query them.Looks fine otherwise.On Sun, Nov 30, 2014 at 9:16 PM, Somdeep Dey <somdeepdey10@xxxxxxxxx> wrote:Hi,This is the mail we drafted for Dave :Hi,We'd like to apologise for our unavailability over the last two monthsgiven the occurrence of our exams. We've now resumed working on the xfs_fsr utility as discussed before.The first task that we undertook was to use fiemap to get file extentmappings and tried to correlate the output with the information obtainedfrom xfs_bmap. For this we used the two underlying structures fiemapand fiemap_extent.We also wanted to ask about the current status of the rmap, as we'llbe required to query the interfaces of that as a key component of ourwork.Regards,A-DRS.Do tell us if this will suffice.Thanks,A-DRS.On Sun, Nov 30, 2014 at 9:05 PM, Somdeep Dey <somdeepdey10@xxxxxxxxx> wrote:Hi,This is the mail we drafted for Dave :Hi,We'd like to apologise for our unavailability over the last two monthsgiven the occurrence of our exams. We've now resumed working on the xfs_fsr utility as discussed before.The first task that we undertook was to use fiemap to get file extentmappings and tried to correlate the output with the information obtainedfrom xfs_bmap. For this we used the two underlying structures fiemapand fiemap_extent.We also wanted to ask about the current status of the rmap, as we'llbe required to query the interfaces of that as a key component of ourwork.Regards,A-DRS.Do tell us if this will suffice.Thanks,A-DRS.On Thu, Nov 27, 2014 at 9:39 PM, Nafisa Mandliwala <nafisa.mandliwala@xxxxxxxxx> wrote:Guys, you can find the xfs_alloc.h, xfs_alloc.c and xfs_iops.c in linux-x.x.x/fs/xfs/Please check if it has the changes we're looking for.
I couldn't find anything on rmap, you should write a mail asap.On Thu, Nov 27, 2014 at 2:40 AM, Somdeep Dey <somdeepdey10@xxxxxxxxx> wrote:--Hi,We ran the code for fiemap on files, that included the following three types :1) A non-fragmented file2) A fragmented file before using xfs_fsr3) The defragmeneted equivalent of the above file after using xfs_fsrThereafter we examined the data by printing the fiemap structure and fiemap_extents struct. The logs for the process followed is also attached here.Thanks,A-DRS.
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