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(parent: ed26175) | patch
anonfd: Allow making anon files read-only
authorRoland Dreier <rdreier@cisco.com>
Fri, 18 Dec 2009 17:41:24 +0000 (09:41 -0800)
committerAl Viro <viro@zeniv.linux.org.uk>
Tue, 22 Dec 2009 17:27:34 +0000 (12:27 -0500)
commit628ff7c1d8d8466a5ad8078bd0206a130f8b8a51
treecc7ab0c90849be38e200fc6ff6a3a09e3caf0405tree | snapshot (tar.gz zip)
parented2617585f39dd12fae38c657bba68b9779ea10dcommit | diff
anonfd: Allow making anon files read-only

It seems a couple places such as arch/ia64/kernel/perfmon.c and
drivers/infiniband/core/uverbs_main.c could use anon_inode_getfile()
instead of a private pseudo-fs + alloc_file(), if only there were a way
to get a read-only file.  So provide this by having anon_inode_getfile()
create a read-only file if we pass O_RDONLY in flags.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
fs/anon_inodes.c diff | blob | blame | history
fs/eventfd.c diff | blob | blame | history
fs/eventpoll.c diff | blob | blame | history
fs/signalfd.c diff | blob | blame | history
fs/timerfd.c diff | blob | blame | history
kernel/perf_event.c diff | blob | blame | history
virt/kvm/kvm_main.c diff | blob | blame | history