Re: [PATCH] vfs: Deduplicate code shared by xattr system calls operating on paths

From: Christoph Hellwig
Date: Sun Oct 12 2014 - 13:03:39 EST

On Sun, Oct 12, 2014 at 11:59:58AM -0500, Eric Biggers wrote:
> The following pairs of system calls dealing with extended attributes only
> differ in their behavior on whether the symbolic link is followed (when
> the named file is a symbolic link):
> - setxattr() and lsetxattr()
> - getxattr() and lgetxattr()
> - listxattr() and llistxattr()
> - removexattr() and lremovexattr()
> Despite this, the implementations all had duplicated code, so this commit
> redirects each of the above pairs of system calls to a corresponding
> function to which different lookup flags (LOOKUP_FOLLOW or 0) are passed.
> For me this reduced the stripped size of xattr.o from 8824 to 8248 bytes.

Looks good,

Reviewed-by: Christoph Hellwig <hch@xxxxxx>
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