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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-06-29 19:42:52 +0200 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-06-29 19:42:52 +0200 |
commit | 984bc9601f64fd341b8573021d7c999f1f1499a9 (patch) | |
tree | 06c616a6285b00d1e577902face3e8a986370b34 /drivers | |
parent | fs: fix superblock iteration race (diff) | |
parent | block: Don't count_vm_events for discard bio in submit_bio. (diff) | |
download | linux-984bc9601f64fd341b8573021d7c999f1f1499a9.tar.xz linux-984bc9601f64fd341b8573021d7c999f1f1499a9.zip |
Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block
* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
block: Don't count_vm_events for discard bio in submit_bio.
cfq: fix recursive call in cfq_blkiocg_update_completion_stats()
cfq-iosched: Fixed boot warning with BLK_CGROUP=y and CFQ_GROUP_IOSCHED=n
cfq: Don't allow queue merges for queues that have no process references
block: fix DISCARD_BARRIER requests
cciss: set SCSI max cmd len to 16, as default is wrong
cpqarray: fix two more wrong section type
cpqarray: fix wrong __init type on pci probe function
drbd: Fixed a race between disk-attach and unexpected state changes
writeback: fix pin_sb_for_writeback
writeback: add missing requeue_io in writeback_inodes_wb
writeback: simplify and split bdi_start_writeback
writeback: simplify wakeup_flusher_threads
writeback: fix writeback_inodes_wb from writeback_inodes_sb
writeback: enforce s_umount locking in writeback_inodes_sb
writeback: queue work on stack in writeback_inodes_sb
writeback: fix writeback completion notifications
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/block/cciss_scsi.c | 1 | ||||
-rw-r--r-- | drivers/block/cpqarray.c | 6 | ||||
-rw-r--r-- | drivers/block/drbd/drbd_main.c | 2 | ||||
-rw-r--r-- | drivers/block/drbd/drbd_nl.c | 6 |
4 files changed, 10 insertions, 5 deletions
diff --git a/drivers/block/cciss_scsi.c b/drivers/block/cciss_scsi.c index 3381505c8a6c..72dae92f3cab 100644 --- a/drivers/block/cciss_scsi.c +++ b/drivers/block/cciss_scsi.c @@ -861,6 +861,7 @@ cciss_scsi_detect(int ctlr) sh->n_io_port = 0; // I don't think we use these two... sh->this_id = SELF_SCSI_ID; sh->sg_tablesize = hba[ctlr]->maxsgentries; + sh->max_cmd_len = MAX_COMMAND_SIZE; ((struct cciss_scsi_adapter_data_t *) hba[ctlr]->scsi_ctlr)->scsi_host = sh; diff --git a/drivers/block/cpqarray.c b/drivers/block/cpqarray.c index 91d11631cec9..abb4ec6690fc 100644 --- a/drivers/block/cpqarray.c +++ b/drivers/block/cpqarray.c @@ -386,7 +386,7 @@ static void __devexit cpqarray_remove_one_eisa (int i) } /* pdev is NULL for eisa */ -static int __init cpqarray_register_ctlr( int i, struct pci_dev *pdev) +static int __devinit cpqarray_register_ctlr( int i, struct pci_dev *pdev) { struct request_queue *q; int j; @@ -503,7 +503,7 @@ Enomem4: return -1; } -static int __init cpqarray_init_one( struct pci_dev *pdev, +static int __devinit cpqarray_init_one( struct pci_dev *pdev, const struct pci_device_id *ent) { int i; @@ -740,7 +740,7 @@ __setup("smart2=", cpqarray_setup); /* * Find an EISA controller's signature. Set up an hba if we find it. */ -static int __init cpqarray_eisa_detect(void) +static int __devinit cpqarray_eisa_detect(void) { int i=0, j; __u32 board_id; diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 6b077f93acc6..7258c95e895e 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -1236,8 +1236,6 @@ static void after_state_ch(struct drbd_conf *mdev, union drbd_state os, /* Last part of the attaching process ... */ if (ns.conn >= C_CONNECTED && os.disk == D_ATTACHING && ns.disk == D_NEGOTIATING) { - kfree(mdev->p_uuid); /* We expect to receive up-to-date UUIDs soon. */ - mdev->p_uuid = NULL; /* ...to not use the old ones in the mean time */ drbd_send_sizes(mdev, 0, 0); /* to start sync... */ drbd_send_uuids(mdev); drbd_send_state(mdev); diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c index 632e3245d1bb..2151f18b21de 100644 --- a/drivers/block/drbd/drbd_nl.c +++ b/drivers/block/drbd/drbd_nl.c @@ -1114,6 +1114,12 @@ static int drbd_nl_disk_conf(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp mdev->new_state_tmp.i = ns.i; ns.i = os.i; ns.disk = D_NEGOTIATING; + + /* We expect to receive up-to-date UUIDs soon. + To avoid a race in receive_state, free p_uuid while + holding req_lock. I.e. atomic with the state change */ + kfree(mdev->p_uuid); + mdev->p_uuid = NULL; } rv = _drbd_set_state(mdev, ns, CS_VERBOSE, NULL); |