NeilBrown d87f064f58 md: never update metadata when array is read-only. ...

Normally we don't even try to update the metadata if
the array is read-only.  However future patches
will increase the number of things that can happen on a read-only
array, so it is safest to explicitly disable this.

Every time that mddev->ro is set to 0, either
 - md_update_sb will be called again (at least if MD_CHANGE_DEVS
   is set) or
 - the mddev->thread is scheduled, which will also run
   md_update_sb if needed.

So this is safe: if the array ever become read-write the
metadata will be updated.

Signed-off-by: NeilBrown <neilb@suse.de>

2013-04-24 11:42:40 +10:00

..

persistent-data

dm thin: fix discard corruption

2013-03-20 17:21:24 +00:00

bitmap.c

new helper: file_inode(file)

2013-02-22 23:31:31 -05:00

bitmap.h

md/bitmap: record the space available for the bitmap in the superblock.

2012-05-22 13:55:34 +10:00

dm-bio-prison.c

dm: add cache target

2013-03-01 22:45:51 +00:00

dm-bio-prison.h

dm: add cache target

2013-03-01 22:45:51 +00:00

dm-bio-record.h

…

dm-bufio.c

dm verity: avoid deadlock

2013-03-20 17:21:25 +00:00

dm-bufio.h

dm bufio: prefetch

2012-03-28 18:41:29 +01:00

dm-cache-block-types.h

dm: add cache target

2013-03-01 22:45:51 +00:00

dm-cache-metadata.c

dm cache: policy ignore hints if generated by different version

2013-03-20 17:21:28 +00:00

dm-cache-metadata.h

dm cache: policy ignore hints if generated by different version

2013-03-20 17:21:28 +00:00

dm-cache-policy-cleaner.c

dm cache: policy change version from string to integer set

2013-03-20 17:21:27 +00:00

dm-cache-policy-internal.h

dm cache: policy change version from string to integer set

2013-03-20 17:21:27 +00:00

dm-cache-policy-mq.c

dm cache: policy change version from string to integer set

2013-03-20 17:21:27 +00:00

dm-cache-policy.c

dm cache: policy change version from string to integer set

2013-03-20 17:21:27 +00:00

dm-cache-policy.h

dm cache: policy change version from string to integer set

2013-03-20 17:21:27 +00:00

dm-cache-target.c

dm cache: reduce bio front_pad size in writeback mode

2013-04-05 15:36:34 +01:00

dm-crypt.c

dm: rename request variables to bios

2013-03-01 22:45:47 +00:00

dm-delay.c

dm: rename request variables to bios

2013-03-01 22:45:47 +00:00

dm-exception-store.c

dm: replace simple_strtoul

2012-07-27 15:07:59 +01:00

dm-exception-store.h

…

dm-flakey.c

dm: rename request variables to bios

2013-03-01 22:45:47 +00:00

dm-io.c

dm kcopyd: add WRITE SAME support to dm_kcopyd_zero

2012-12-21 20:23:37 +00:00

dm-ioctl.c

dm ioctl: allow message to return data

2013-03-01 22:45:49 +00:00

dm-kcopyd.c

dm kcopyd: introduce configurable throttling

2013-03-01 22:45:49 +00:00

dm-linear.c

dm: rename request variables to bios

2013-03-01 22:45:47 +00:00

dm-log-userspace-base.c

Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux

2011-11-06 19:44:47 -08:00

dm-log-userspace-transfer.c

connector/userns: replace netlink uses of cap_raised() with capable()

2012-05-10 23:21:39 -04:00

dm-log-userspace-transfer.h

…

dm-log.c

dm: use memweight()

2012-07-30 17:25:16 -07:00

dm-mpath.c

dm: rename request variables to bios

2013-03-01 22:45:47 +00:00

dm-mpath.h

…

dm-path-selector.c

md: Add module.h to all files using it implicitly

2011-10-31 19:31:18 -04:00

dm-path-selector.h

…

dm-queue-length.c

dm: reject trailing characters in sccanf input

2012-03-28 18:41:26 +01:00

dm-raid1.c

dm kcopyd: introduce configurable throttling

2013-03-01 22:45:49 +00:00

dm-raid.c

Merge tag 'md-3.9' of git://neil.brown.name/md

2013-03-05 17:22:08 -08:00

dm-region-hash.c

dm raid1: fix crash with mirror recovery and discard

2012-07-20 14:25:03 +01:00

dm-round-robin.c

dm: reject trailing characters in sccanf input

2012-03-28 18:41:26 +01:00

dm-service-time.c

dm: reject trailing characters in sccanf input

2012-03-28 18:41:26 +01:00

dm-snap-persistent.c

md: Add in export.h for files using EXPORT_SYMBOL

2011-10-31 19:31:19 -04:00

dm-snap-transient.c

md: Add in export.h for files using EXPORT_SYMBOL

2011-10-31 19:31:19 -04:00

dm-snap.c

dm kcopyd: introduce configurable throttling

2013-03-01 22:45:49 +00:00

dm-stripe.c

dm: rename request variables to bios

2013-03-01 22:45:47 +00:00

dm-sysfs.c

…

dm-table.c

dm: rename request variables to bios

2013-03-01 22:45:47 +00:00

dm-target.c

dm: rename request variables to bios

2013-03-01 22:45:47 +00:00

dm-thin-metadata.c

dm persistent data: set some btree fn parms const

2013-03-01 22:45:47 +00:00

dm-thin-metadata.h

dm thin metadata: introduce dm_pool_abort_metadata

2012-07-27 15:08:15 +01:00

dm-thin.c

dm thin: fix non power of two discard granularity calc

2013-03-20 17:21:25 +00:00

dm-uevent.c

md: Add in export.h for files using EXPORT_SYMBOL

2011-10-31 19:31:19 -04:00

dm-uevent.h

…

dm-verity.c

dm verity: avoid deadlock

2013-03-20 17:21:25 +00:00

dm-zero.c

dm: rename request variables to bios

2013-03-01 22:45:47 +00:00

dm.c

Revert "block: add missing block_bio_complete() tracepoint"

2013-04-18 09:00:26 -07:00

dm.h

dm: introduce per_bio_data

2012-12-21 20:23:38 +00:00

faulty.c

md faulty: use disk_stack_limits()

2012-10-22 10:44:55 +11:00

Kconfig

Merge tag 'md-3.9' of git://neil.brown.name/md

2013-03-05 17:22:08 -08:00

linear.c

md: linear supports TRIM

2012-10-11 13:08:44 +11:00

linear.h

…

Makefile

dm cache: add cleaner policy

2013-03-01 22:45:52 +00:00

md.c

md: never update metadata when array is read-only.

2013-04-24 11:42:40 +10:00

md.h

MD: Prevent sysfs operations on uninitialized kobjects

2013-03-20 13:17:57 +11:00

multipath.c

MD: change the parameter of md thread

2012-10-11 13:34:00 +11:00

multipath.h

…

raid0.c

md/raid0: improve error message when converting RAID4-with-spares to RAID0

2013-02-26 11:58:44 +11:00

raid0.h

md: add proper merge_bvec handling to RAID0 and Linear.

2012-03-19 12:46:39 +11:00

raid1.c

md/raid1,raid10: fix deadlock with freeze_array()

2013-02-26 11:58:50 +11:00

raid1.h

md/raid1: prevent merging too large request

2012-07-31 10:03:53 +10:00

raid5.c

Revert "block: add missing block_bio_complete() tracepoint"

2013-04-18 09:00:26 -07:00

raid5.h

md: remove CONFIG_MULTICORE_RAID456 entirely

2013-03-20 13:21:14 +11:00

raid10.c

md/raid1,raid10: fix deadlock with freeze_array()

2013-02-26 11:58:50 +11:00

raid10.h

MD RAID10: Improve redundancy for 'far' and 'offset' algorithms (part 1)

2013-02-26 11:55:30 +11:00