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authorLinus Torvalds <torvalds@linux-foundation.org>2009-06-24 19:26:54 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-24 19:26:54 +0200
commitc3cb5e193937c7aa50c323e7933507020bd26340 (patch)
treeea36213ccd29dc4caf2f729fd51b2d489b591a31 /drivers/md/dm-ioctl.c
parentMerge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/... (diff)
parentdm mpath: change to be request based (diff)
downloadlinux-c3cb5e193937c7aa50c323e7933507020bd26340.tar.xz
linux-c3cb5e193937c7aa50c323e7933507020bd26340.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dm
* git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dm: (48 commits) dm mpath: change to be request based dm: disable interrupt when taking map_lock dm: do not set QUEUE_ORDERED_DRAIN if request based dm: enable request based option dm: prepare for request based option dm raid1: add userspace log dm: calculate queue limits during resume not load dm log: fix create_log_context to use logical_block_size of log device dm target:s introduce iterate devices fn dm table: establish queue limits by copying table limits dm table: replace struct io_restrictions with struct queue_limits dm table: validate device logical_block_size dm table: ensure targets are aligned to logical_block_size dm ioctl: support cookies for udev dm: sysfs add suspended attribute dm table: improve warning message when devices not freed before destruction dm mpath: add service time load balancer dm mpath: add queue length load balancer dm mpath: add start_io and nr_bytes to path selectors dm snapshot: use barrier when writing exception store ...
Diffstat (limited to 'drivers/md/dm-ioctl.c')
-rw-r--r--drivers/md/dm-ioctl.c27
1 files changed, 23 insertions, 4 deletions
diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
index 1128d3fba797..7f77f18fcafa 100644
--- a/drivers/md/dm-ioctl.c
+++ b/drivers/md/dm-ioctl.c
@@ -276,7 +276,7 @@ retry:
up_write(&_hash_lock);
}
-static int dm_hash_rename(const char *old, const char *new)
+static int dm_hash_rename(uint32_t cookie, const char *old, const char *new)
{
char *new_name, *old_name;
struct hash_cell *hc;
@@ -333,7 +333,7 @@ static int dm_hash_rename(const char *old, const char *new)
dm_table_put(table);
}
- dm_kobject_uevent(hc->md);
+ dm_kobject_uevent(hc->md, KOBJ_CHANGE, cookie);
dm_put(hc->md);
up_write(&_hash_lock);
@@ -680,6 +680,9 @@ static int dev_remove(struct dm_ioctl *param, size_t param_size)
__hash_remove(hc);
up_write(&_hash_lock);
+
+ dm_kobject_uevent(md, KOBJ_REMOVE, param->event_nr);
+
dm_put(md);
param->data_size = 0;
return 0;
@@ -715,7 +718,7 @@ static int dev_rename(struct dm_ioctl *param, size_t param_size)
return r;
param->data_size = 0;
- return dm_hash_rename(param->name, new_name);
+ return dm_hash_rename(param->event_nr, param->name, new_name);
}
static int dev_set_geometry(struct dm_ioctl *param, size_t param_size)
@@ -842,8 +845,11 @@ static int do_resume(struct dm_ioctl *param)
if (dm_suspended(md))
r = dm_resume(md);
- if (!r)
+
+ if (!r) {
+ dm_kobject_uevent(md, KOBJ_CHANGE, param->event_nr);
r = __dev_status(md, param);
+ }
dm_put(md);
return r;
@@ -1044,6 +1050,12 @@ static int populate_table(struct dm_table *table,
next = spec->next;
}
+ r = dm_table_set_type(table);
+ if (r) {
+ DMWARN("unable to set table type");
+ return r;
+ }
+
return dm_table_complete(table);
}
@@ -1089,6 +1101,13 @@ static int table_load(struct dm_ioctl *param, size_t param_size)
goto out;
}
+ r = dm_table_alloc_md_mempools(t);
+ if (r) {
+ DMWARN("unable to allocate mempools for this table");
+ dm_table_destroy(t);
+ goto out;
+ }
+
down_write(&_hash_lock);
hc = dm_get_mdptr(md);
if (!hc || hc->md != md) {