* How to obtain file's inode in ufshcd driver
@ 2018-06-01 5:33 Roman Storozhenko
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From: Roman Storozhenko @ 2018-06-01 5:33 UTC (permalink / raw)
To: Vinayak Holikatti, Santosh Y, James E.J. Bottomley, linux-kernel
Hello everybody.
I am modifying ufshcd driver:
https://elixir.bootlin.com/linux/v3.8/source/drivers/scsi/ufs/ufshcd.c
I do a read of a file on ext4 filesystem and want to obtain the file's
inode. But it seems that there are no structures contatin any
references to inode at this level of abstraction.
I looked into scsi_cmd structure and all the structures it references
to. Also I used ftrace to find on which level of abstraction inode
disappear but without any luck. Could you please say to me where I
could find the lowest level where inode is still present and the best
way how to pass it throughout linux io stack to the ufshcd driver?
Frankly speaking I need not struct inode as a whole but just its
number, so using reserved or unused fields of existing structures is
appropriate.
--
Kind regards,
Roman
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