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(parent: 1897432) | patch
loop: Push loop_ctl_mutex down into loop_clr_fd()
authorJan Kara <jack@suse.cz>
Thu, 8 Nov 2018 13:01:07 +0000 (14:01 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 22 Jan 2019 20:40:37 +0000 (21:40 +0100)
commited87dc6601712a8ff8783acee8701954bc40fbca
tree5e3f366a13195ce83455591f3fc54c229e54ceectree | snapshot
parent18974320825eba3d303b23cf7ef220714e4d6b5bcommit | diff
loop: Push loop_ctl_mutex down into loop_clr_fd()

commit 7ccd0791d98531df7cd59e92d55e4f063d48a070 upstream.

loop_clr_fd() has a weird locking convention that is expects
loop_ctl_mutex held, releases it on success and keeps it on failure.
Untangle the mess by moving locking of loop_ctl_mutex into
loop_clr_fd().

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/block/loop.c diff | blob | history
Domain: System / Kernel;