On Sat, 06 Dec 2014 12:01:16 +0100 Johannes Altmanninger wrote: > Hi, > > meino.cra...@gmx.de writes: > > > In the context of preserving the live of flash media by minimizing > > the count of unessary writes I want to know which > > application/daemon/etc is continous writing to that media and which > > """entity""" (file/pipe/fifo...) is receiving those writes... > > You could use this: > > # echo 1 > /proc/sys/vm/block_dump > > then every read and write operation on block devices shows up in dmesg > with the PID, process name and the block id. (This can be a lot of > lines, so dmesg -c might be useful) I'm not exactly sure how to identify > which files belong to which block, though.
This depends on filesystem being used. For ext* family debugfs may be used: # debugfs /dev/<your_dev> ncheck inode1 inode2 ... Best regards, Andrew Savchenko
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