jbd2: rename jbd_debug() to jbd2_debug()

[ Upstream commit cb3b3bf2 ]

The name of jbd_debug() is confusing as all functions inside jbd2 have
jbd2_ prefix. Rename jbd_debug() to jbd2_debug(). No functional changes.

Signed-off-by: Jan Kara <jack@suse.cz>
Reviewed-by: Lukas Czerner <lczerner@redhat.com>
Link: https://lore.kernel.org/r/20220608112355.4397-2-jack@suse.cz


Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Stable-dep-of: 2dfba3bb ("jbd2: correct the end of the journal recovery scan range")
Signed-off-by: Sasha Levin <sashal@kernel.org>