tree 3c873cce6b2d5da5237be20fe98124e8f4968d4d
parent e9028b0ff2bad1954568604dc17725692c8524d6
author NeilBrown <neilb@suse.de> 1143111562 -0800
committer Linus Torvalds <torvalds@g5.osdl.org> 1143128283 -0800

[PATCH] DM: Fix bug: BIO_RW_BARRIER requests to md/raid1 hang.

Both R1BIO_Barrier and R1BIO_Returned are 4 !!!!

This means that barrier requests don't get returned (i.e.  b_endio called)
because it looks like they already have been.

Signed-off-by: Neil Brown <neilb@suse.de>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>