Make 'check_acl()' a first-class filesystem op

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This is stage one in flattening out the callchains for the common
permission testing.  Rather than have most filesystem implement their
own inode->i_op->permission function that just calls back down to the
VFS layers 'generic_permission()' with the per-filesystem ACL checking
function, the filesystem can just expose its 'check_acl' function
directly, and let the VFS layer do everything for it.

This is all just preparatory - no filesystem actually enables this yet.

Reviewed-by: James Morris <jmorris@namei.org>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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Linus Torvalds 2009-08-28 11:51:25 -07:00

parent cb9179ead0

commit 5909ccaa30

2 changed files with 36 additions and 27 deletions

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74

fs/namei.c

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1

include/linux/fs.h

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