linux.git/drivers/md, branch v2.6.12 Linux kernel source tree [PATCH] dm: Handle READA requests in dm-mpath.c 2005-06-08T23:21:14+00:00 Lars Marowsky-Bree lmb@suse.de 2005-06-08T22:50:31+00:00 4f58802fae8a51d9e79454746584175c14f84519 READA errors failing with EWOULDBLOCK/EAGAIN do not constitute a valid reason for failing the path; this lead to erratic errors on DM multipath devices. This error can be safely propagated upwards without failing the path. Acked-by: Kevin Corry <kevcorry@us.ibm.com> Acked-by: Jens Axboe <axboe@suse.de> Signed-off-by: Lars Marowsky-Bree <lmb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org> 
READA errors failing with EWOULDBLOCK/EAGAIN do not constitute a valid
reason for failing the path; this lead to erratic errors on DM multipath
devices.  This error can be safely propagated upwards without failing the
path.

Acked-by: Kevin Corry <kevcorry@us.ibm.com>
Acked-by: Jens Axboe <axboe@suse.de>
Signed-off-by: Lars Marowsky-Bree <lmb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
[PATCH] md: set the unplug_fn and issue_flush_fn for md devices *after* committed to creation 2005-05-17T14:59:12+00:00 NeilBrown neilb@cse.unsw.edu.au 2005-05-17T04:53:16+00:00 7a5febe9ffeecd1e78c5b505260ccc1ef18021b4 We we set the too early, they may still be in place and possibly get called even though the array didn't get set up properly. Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org> 
We we set the too early, they may still be in place and possibly get called
even though the array didn't get set up properly.

Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
[PATCH] md: fix splitting of md/linear request that cross a device boundary 2005-05-17T14:59:11+00:00 NeilBrown neilb@cse.unsw.edu.au 2005-05-17T04:53:15+00:00 29ac8e056f2016a8404edc02749d095019aa1f82 When a request crosses a boundary between devices, it needs to be split. But where we should calculate the amount of the request before the boundary to find the split-point, we care currently calculating the amount that is *after* the boundary !!! Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org> 
When a request crosses a boundary between devices, it needs to be split.
But where we should calculate the amount of the request before the boundary
to find the split-point, we care currently calculating the amount that is
*after* the boundary !!!

Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
[PATCH] make some things static 2005-05-05T23:36:47+00:00 Adrian Bunk bunk@stusta.de 2005-05-05T23:16:09+00:00 75c96f85845a6707b0f9916cb263cb3584f7d48f This patch makes some needlessly global identifiers static. Signed-off-by: Adrian Bunk <bunk@stusta.de> Acked-by: Arjan van de Ven <arjanv@infradead.org> Acked-by: Trond Myklebust <trond.myklebust@fys.uio.no> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org> 
This patch makes some needlessly global identifiers static.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Acked-by: Arjan van de Ven <arjanv@infradead.org>
Acked-by: Trond Myklebust <trond.myklebust@fys.uio.no>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
[PATCH] device-mapper: Some missing statics 2005-05-05T23:36:46+00:00 Alasdair G Kergon agk@redhat.com 2005-05-05T23:16:09+00:00 5e198d94dd0c3ec7f6138229e2e412c2c6268c38 This patch makes some needlessly global code static. Signed-Off-By: Alasdair G Kergon <agk@redhat.com> Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org> 
This patch makes some needlessly global code static.

Signed-Off-By: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
[PATCH] device-mapper dm-emc: Fix a memset 2005-05-05T23:36:46+00:00 Alasdair G Kergon agk@redhat.com 2005-05-05T23:16:08+00:00 f1daa40b638891a62e1be40f78d752c500265362 The dm emc hardware handler code memset the hardware handler structure to zero AFTER it had initialized the structure's spinlock field. Signed-Off-By: Alasdair G Kergon <agk@redhat.com> From: Dave Olien <dmo@osdl.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org> 
The dm emc hardware handler code memset the hardware handler structure to zero
AFTER it had initialized the structure's spinlock field.

Signed-Off-By: Alasdair G Kergon <agk@redhat.com>
From: Dave Olien <dmo@osdl.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
[PATCH] device-mapper multipath: Use private workqueue 2005-05-05T23:36:46+00:00 Alasdair G Kergon agk@redhat.com 2005-05-05T23:16:07+00:00 c557308e1f4b6f7d6144a06e8f98c467814f3aed dm-mpath.c needs to use a private workqueue (like other dm targets already do) to avoid interfering with users of the default workqueue. Signed-Off-By: Alasdair G Kergon <agk@redhat.com> Acked-by: Jens Axboe <axboe@suse.de> Signed-off-by: Lars Marowsky-Bree <lmb@suse.de> Signed-off-by: <mikenc@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org> 
dm-mpath.c needs to use a private workqueue (like other dm targets already do)
to avoid interfering with users of the default workqueue.

Signed-Off-By: Alasdair G Kergon <agk@redhat.com>
Acked-by: Jens Axboe <axboe@suse.de>
Signed-off-by: Lars Marowsky-Bree <lmb@suse.de>
Signed-off-by: <mikenc@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
[PATCH] device-mapper: tidy dm_suspend 2005-05-05T23:36:46+00:00 Alasdair G Kergon agk@redhat.com 2005-05-05T23:16:06+00:00 b84b0287a8ba618568a8bc9ac8847ac332abe90d Tidy dm_suspend. Signed-Off-By: Alasdair G Kergon <agk@redhat.com> From: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org> 
Tidy dm_suspend.

Signed-Off-By: Alasdair G Kergon <agk@redhat.com>
From: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
[PATCH] device-mapper: handle __lock_fs error 2005-05-05T23:36:45+00:00 Alasdair G Kergon agk@redhat.com 2005-05-05T23:16:05+00:00 354e007121de546e50b5592c2557575117435522 Handle error from __lock_fs() Signed-Off-By: Alasdair G Kergon <agk@redhat.com> From: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org> 
Handle error from __lock_fs()

Signed-Off-By: Alasdair G Kergon <agk@redhat.com>
From: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
[PATCH] device-mapper: let freeze_bdev return error 2005-05-05T23:36:45+00:00 Alasdair G Kergon agk@redhat.com 2005-05-05T23:16:04+00:00 dfbe03f6d09fcebf85ae2a2cbb4ceee9b0985e67 Allow freeze_bdev() to return an error. Signed-Off-By: Alasdair G Kergon <agk@redhat.com> From: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org> 
Allow freeze_bdev() to return an error.

Signed-Off-By: Alasdair G Kergon <agk@redhat.com>
From: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>