eventfd: convert to use anon_inode_getfd()

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Nothing actually calls eventfd_file_create() besides the eventfd2()
system call itself.  So simplify things by folding it into the system
call and using anon_inode_getfd() instead of anon_inode_getfile().  This
removes over 40 lines with no change in functionality.

(eventfd_file_create() was apparently added years ago for KVM irqfd's,
but was never used.)

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

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This commit is contained in:

Eric Biggers 2018-01-06 09:45:42 -08:00 • committed by Al Viro

parent 6db620012f

commit 7d815165c1

2 changed files with 7 additions and 51 deletions

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53

fs/eventfd.c

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5

include/linux/eventfd.h

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