Hi, On Thu, 2010-11-11 at 18:11 +0100, Tejun Heo wrote: > After recent blkdev_get() modifications, open_by_devnum() and > open_bdev_exclusive() are simple wrappers around blkdev_get(). > Replace them with blkdev_get_by_dev() and blkdev_get_by_path(). > > blkdev_get_by_dev() is identical to open_by_devnum(). > blkdev_get_by_path() is slightly different in that it doesn't > automatically add %FMODE_EXCL to @mode. > > All users are converted. Most conversions are mechanical and don't > introduce any behavior difference. There are several exceptions. > > * btrfs now sets FMODE_EXCL in btrfs_device->mode, so there's no > reason to OR it explicitly on blkdev_put(). > > * gfs2, nilfs2 and the generic mount_bdev() now set FMODE_EXCL in > sb->s_mode. > > * With the above changes, sb->s_mode now always should contain > FMODE_EXCL. WARN_ON_ONCE() added to kill_block_super() to detect > errors. > > The new blkdev_get_*() functions are with proper docbook comments. > While at it, add function description to blkdev_get() too. > > Signed-off-by: Tejun Heo <tj@xxxxxxxxxx> > Cc: Philipp Reisner <philipp.reisner@xxxxxxxxxx> > Cc: Neil Brown <neilb@xxxxxxx> > Cc: Mike Snitzer <snitzer@xxxxxxxxxx> > Cc: Joern Engel <joern@xxxxxxxxxxxxxxx> > Cc: Chris Mason <chris.mason@xxxxxxxxxx> > Cc: Jan Kara <jack@xxxxxxx> > Cc: "Theodore Ts'o" <tytso@xxxxxxx> > Cc: KONISHI Ryusuke <konishi.ryusuke@xxxxxxxxxxxxx> > Cc: reiserfs-devel@xxxxxxxxxxxxxxx > Cc: xfs-masters@xxxxxxxxxxx > Cc: Alexander Viro <viro@xxxxxxxxxxxxxxxxxx> Acked-by: Steven Whitehouse <swhiteho@xxxxxxxxxx> Steve. -- To unsubscribe from this list: send the line "unsubscribe reiserfs-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
