Re: [PATCH 1/3] VFS "stat light" out of fstatat, and fine grainedflags

[Jeff Garzik]

Oleg Drokin wrote:
> Hello!
>
>    This is reworked Mark Fasheh's patch + my earlier patch.
>    It allows one to specify which specific struct stat fields are needed
>    out of the fstatat call, and also a request to obtain most uptodate
>    information for inode (for NFS mostly).
>
>    Also it adds AT_STAT_SELF flag to mean that the stat should be executed not
>    on a path, but on the passed filedecriptor itself.
>
>    A first real kernel user for this added in loop block driver that does
>    not care about size or anything else besides rdev and inode number.
>
>    I see various architectures replicate bits of vfs_*stat* in some compat
>    code, I am not sure if we need to update those as well or not.
>
>    This patch does away with all the extra syscalls.


linux-kernel should be included in the discussion of this syscall.

	Jeff


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