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authorLinus Torvalds <torvalds@linux-foundation.org>2012-03-14 17:16:45 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-03-14 17:16:45 -0700
commitf1cbd03f5eabb75ea8ace23b47d2209f10871c16 (patch)
tree2ac398bd1a50ce135461fae5b5e91ba05831af84 /include
parentff398c45b03d9d64135d928c0146d8c38a70fd3b (diff)
parentff8c1474cc2f5e11414c71ec4d739c18e6e669c0 (diff)
downloadlinux-linaro-stable-f1cbd03f5eabb75ea8ace23b47d2209f10871c16.tar.gz
Merge branch 'for-linus' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe: "Been sitting on this for a while, but lets get this out the door. This fixes various important bugs for 3.3 final, along with a few more trivial ones. Please pull!" * 'for-linus' of git://git.kernel.dk/linux-block: block: fix ioc leak in put_io_context block, sx8: fix pointer math issue getting fw version Block: use a freezable workqueue for disk-event polling drivers/block/DAC960: fix -Wuninitialized warning drivers/block/DAC960: fix DAC960_V2_IOCTL_Opcode_T -Wenum-compare warning block: fix __blkdev_get and add_disk race condition block: Fix setting bio flags in drivers (sd_dif/floppy) block: Fix NULL pointer dereference in sd_revalidate_disk block: exit_io_context() should call elevator_exit_icq_fn() block: simplify ioc_release_fn() block: replace icq->changed with icq->flags
Diffstat (limited to 'include')
-rw-r--r--include/linux/genhd.h1
-rw-r--r--include/linux/iocontext.h10
-rw-r--r--include/linux/workqueue.h4
3 files changed, 12 insertions, 3 deletions
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index fe23ee768589..e61d3192448e 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -596,6 +596,7 @@ extern char *disk_name (struct gendisk *hd, int partno, char *buf);
extern int disk_expand_part_tbl(struct gendisk *disk, int target);
extern int rescan_partitions(struct gendisk *disk, struct block_device *bdev);
+extern int invalidate_partitions(struct gendisk *disk, struct block_device *bdev);
extern struct hd_struct * __must_check add_partition(struct gendisk *disk,
int partno, sector_t start,
sector_t len, int flags,
diff --git a/include/linux/iocontext.h b/include/linux/iocontext.h
index 119773eebe31..1a3018063034 100644
--- a/include/linux/iocontext.h
+++ b/include/linux/iocontext.h
@@ -6,8 +6,11 @@
#include <linux/workqueue.h>
enum {
- ICQ_IOPRIO_CHANGED,
- ICQ_CGROUP_CHANGED,
+ ICQ_IOPRIO_CHANGED = 1 << 0,
+ ICQ_CGROUP_CHANGED = 1 << 1,
+ ICQ_EXITED = 1 << 2,
+
+ ICQ_CHANGED_MASK = ICQ_IOPRIO_CHANGED | ICQ_CGROUP_CHANGED,
};
/*
@@ -88,7 +91,7 @@ struct io_cq {
struct rcu_head __rcu_head;
};
- unsigned long changed;
+ unsigned int flags;
};
/*
@@ -139,6 +142,7 @@ struct io_context *get_task_io_context(struct task_struct *task,
gfp_t gfp_flags, int node);
void ioc_ioprio_changed(struct io_context *ioc, int ioprio);
void ioc_cgroup_changed(struct io_context *ioc);
+unsigned int icq_get_changed(struct io_cq *icq);
#else
struct io_context;
static inline void put_io_context(struct io_context *ioc) { }
diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
index eb8b9f15f2e0..af155450cabb 100644
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -289,12 +289,16 @@ enum {
*
* system_freezable_wq is equivalent to system_wq except that it's
* freezable.
+ *
+ * system_nrt_freezable_wq is equivalent to system_nrt_wq except that
+ * it's freezable.
*/
extern struct workqueue_struct *system_wq;
extern struct workqueue_struct *system_long_wq;
extern struct workqueue_struct *system_nrt_wq;
extern struct workqueue_struct *system_unbound_wq;
extern struct workqueue_struct *system_freezable_wq;
+extern struct workqueue_struct *system_nrt_freezable_wq;
extern struct workqueue_struct *
__alloc_workqueue_key(const char *fmt, unsigned int flags, int max_active,