| commit | 07384b42b672c8ea266ea4ba50c5e50c9323ae9f | |
| author | Jerome Marchand <jmarchan@redhat.com> | |
| Wed, 5 Jan 2011 15:57:37 +0000 (5 16:57 +0100) | ||
| committer | Greg Kroah-Hartman <gregkh@suse.de> | |
| Thu, 17 Feb 2011 23:14:17 +0000 (17 15:14 -0800) | ||
| tree | 6dd77da4aa14e5e090c89c75f3625e22c87ee74b | treesnapshot (tar.gz zip) |
| parent | c4b03cd47360e5eb751adf2a5f96e7edcfde9821 | commitdiff |
kref: add kref_test_and_get
commit e4a683c899cd5a49f8d684a054c95bd115a0c005 upstream.
Add kref_test_and_get() function, which atomically add a reference only if
refcount is not zero. This prevent to add a reference to an object that is
already being removed.
Signed-off-by: Jerome Marchand <jmarchan@redhat.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
commit e4a683c899cd5a49f8d684a054c95bd115a0c005 upstream.
Add kref_test_and_get() function, which atomically add a reference only if
refcount is not zero. This prevent to add a reference to an object that is
already being removed.
Signed-off-by: Jerome Marchand <jmarchan@redhat.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| include/linux/kref.h | diffblobblamehistory | |
| lib/kref.c | diffblobblamehistory |