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author | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2009-04-07 22:34:16 +0200 |
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committer | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2009-04-07 22:34:16 +0200 |
commit | 38f4b8c0da01ae7cd9b93386842ce272d6fde9ab (patch) | |
tree | 3c8c52201aac038094bfea7efdd0984a8f62045e /drivers/md/linear.c | |
parent | Merge branch 'for-linus/xen/core' into for-linus/xen/master (diff) | |
parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jba... (diff) | |
download | linux-38f4b8c0da01ae7cd9b93386842ce272d6fde9ab.tar.xz linux-38f4b8c0da01ae7cd9b93386842ce272d6fde9ab.zip |
Merge commit 'origin/master' into for-linus/xen/master
* commit 'origin/master': (4825 commits)
Fix build errors due to CONFIG_BRANCH_TRACER=y
parport: Use the PCI IRQ if offered
tty: jsm cleanups
Adjust path to gpio headers
KGDB_SERIAL_CONSOLE check for module
Change KCONFIG name
tty: Blackin CTS/RTS
Change hardware flow control from poll to interrupt driven
Add support for the MAX3100 SPI UART.
lanana: assign a device name and numbering for MAX3100
serqt: initial clean up pass for tty side
tty: Use the generic RS485 ioctl on CRIS
tty: Correct inline types for tty_driver_kref_get()
splice: fix deadlock in splicing to file
nilfs2: support nanosecond timestamp
nilfs2: introduce secondary super block
nilfs2: simplify handling of active state of segments
nilfs2: mark minor flag for checkpoint created by internal operation
nilfs2: clean up sketch file
nilfs2: super block operations fix endian bug
...
Conflicts:
arch/x86/include/asm/thread_info.h
arch/x86/lguest/boot.c
drivers/xen/manage.c
Diffstat (limited to 'drivers/md/linear.c')
-rw-r--r-- | drivers/md/linear.c | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/drivers/md/linear.c b/drivers/md/linear.c index 09658b218474..7a36e38393a1 100644 --- a/drivers/md/linear.c +++ b/drivers/md/linear.c @@ -16,7 +16,11 @@ Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/raid/linear.h> +#include <linux/blkdev.h> +#include <linux/raid/md_u.h> +#include <linux/seq_file.h> +#include "md.h" +#include "linear.h" /* * find which device holds a particular offset @@ -97,6 +101,16 @@ static int linear_congested(void *data, int bits) return ret; } +static sector_t linear_size(mddev_t *mddev, sector_t sectors, int raid_disks) +{ + linear_conf_t *conf = mddev_to_conf(mddev); + + WARN_ONCE(sectors || raid_disks, + "%s does not support generic reshape\n", __func__); + + return conf->array_sectors; +} + static linear_conf_t *linear_conf(mddev_t *mddev, int raid_disks) { linear_conf_t *conf; @@ -135,8 +149,8 @@ static linear_conf_t *linear_conf(mddev_t *mddev, int raid_disks) mddev->queue->max_sectors > (PAGE_SIZE>>9)) blk_queue_max_sectors(mddev->queue, PAGE_SIZE>>9); - disk->num_sectors = rdev->size * 2; - conf->array_sectors += rdev->size * 2; + disk->num_sectors = rdev->sectors; + conf->array_sectors += rdev->sectors; cnt++; } @@ -249,7 +263,7 @@ static int linear_run (mddev_t *mddev) if (!conf) return 1; mddev->private = conf; - mddev->array_sectors = conf->array_sectors; + md_set_array_sectors(mddev, linear_size(mddev, 0, 0)); blk_queue_merge_bvec(mddev->queue, linear_mergeable_bvec); mddev->queue->unplug_fn = linear_unplug; @@ -283,7 +297,7 @@ static int linear_add(mddev_t *mddev, mdk_rdev_t *rdev) newconf->prev = mddev_to_conf(mddev); mddev->private = newconf; mddev->raid_disks++; - mddev->array_sectors = newconf->array_sectors; + md_set_array_sectors(mddev, linear_size(mddev, 0, 0)); set_capacity(mddev->gendisk, mddev->array_sectors); return 0; } @@ -381,6 +395,7 @@ static struct mdk_personality linear_personality = .stop = linear_stop, .status = linear_status, .hot_add_disk = linear_add, + .size = linear_size, }; static int __init linear_init (void) |