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| author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-10-01 14:52:40 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-10-01 14:52:40 -0300 |
| commit | aaf675f53a7176475f69595827248c8b2556ea8c (patch) | |
| tree | 0cb744dec714328c9f89bf85553fb7195107e5d4 /drivers/md/dm-mpath.c | |
| parent | 347c4e95845fad1853c0e3da6603a44c5d6122b3 (diff) | |
| parent | a0d271cbfed1dd50278c6b06bead3d00ba0a88f9 (diff) | |
| download | linux-3.10-aaf675f53a7176475f69595827248c8b2556ea8c.tar.gz linux-3.10-aaf675f53a7176475f69595827248c8b2556ea8c.tar.bz2 linux-3.10-aaf675f53a7176475f69595827248c8b2556ea8c.zip | |
Merge tag 'v3.6' into staging/for_v3.7
Linux 3.6
* tag 'v3.6': (562 commits)
Linux 3.6
vfs: dcache: fix deadlock in tree traversal
mtdchar: fix offset overflow detection
thp: avoid VM_BUG_ON page_count(page) false positives in __collapse_huge_page_copy
iommu/amd: Fix wrong assumption in iommu-group specific code
netdev: octeon: fix return value check in octeon_mgmt_init_phy()
ALSA: snd-usb: fix next_packet_size calls for pause case
inetpeer: fix token initialization
qlcnic: Fix scheduling while atomic bug
bnx2: Clean up remaining iounmap
trivial select_parent documentation fix
net: phy: smsc: Implement PHY config_init for LAN87xx
smsc75xx: fix resume after device reset
um: Preinclude include/linux/kern_levels.h
um: Fix IPC on um
netdev: pasemi: fix return value check in pasemi_mac_phy_init()
team: fix return value check
l2tp: fix return value check
USB: Fix race condition when removing host controllers
USB: ohci-at91: fix null pointer in ohci_hcd_at91_overcurrent_irq
...
Diffstat (limited to 'drivers/md/dm-mpath.c')
| -rw-r--r-- | drivers/md/dm-mpath.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index d8abb90a6c2..034233eefc8 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -1555,6 +1555,7 @@ static int multipath_ioctl(struct dm_target *ti, unsigned int cmd, unsigned long arg) { struct multipath *m = ti->private; + struct pgpath *pgpath; struct block_device *bdev; fmode_t mode; unsigned long flags; @@ -1570,12 +1571,14 @@ again: if (!m->current_pgpath) __choose_pgpath(m, 0); - if (m->current_pgpath) { - bdev = m->current_pgpath->path.dev->bdev; - mode = m->current_pgpath->path.dev->mode; + pgpath = m->current_pgpath; + + if (pgpath) { + bdev = pgpath->path.dev->bdev; + mode = pgpath->path.dev->mode; } - if (m->queue_io) + if ((pgpath && m->queue_io) || (!pgpath && m->queue_if_no_path)) r = -EAGAIN; else if (!bdev) r = -EIO; |