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Alex Elder 175face2ba libceph: let osd ops determine request data length 
The length of outgoing data in an osd request is dependent on the
osd ops that are embedded in that request.  Each op is encoded into
a request message using osd_req_encode_op(), so that should be used
to determine the amount of outgoing data implied by the op as it
is encoded.

Have osd_req_encode_op() return the number of bytes of outgoing data
implied by the op being encoded, and accumulate and use that in
ceph_osdc_build_request().

As a result, ceph_osdc_build_request() no longer requires its "len"
parameter, so get rid of it.

Using the sum of the op lengths rather than the length provided is
a valid change because:
    - The only callers of osd ceph_osdc_build_request() are
      rbd and the osd client (in ceph_osdc_new_request() on
      behalf of the file system).
    - When rbd calls it, the length provided is only non-zero for
      write requests, and in that case the single op has the
      same length value as what was passed here.
    - When called from ceph_osdc_new_request(), (it's not all that
      easy to see, but) the length passed is also always the same
      as the extent length encoded in its (single) write op if
      present.

This resolves:
    http://tracker.ceph.com/issues/4406

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
2013-05-01 21:17:02 -07:00
..
accessibility
acpi PCI updates for v3.9: 2013-04-05 19:29:36 -07:00
amba ARM: 7675/1: amba: tegra-ahb: Fix build error w/ PM_SLEEP w/o PM_RUNTIME 2013-03-15 17:20:02 +00:00
ata [libata] Fix HDIO_DRIVE_* ioctl() Linux 3.9 regression 2013-04-03 19:48:49 -04:00
atm hlist: drop the node parameter from iterators 2013-02-27 19:10:24 -08:00
auxdisplay
base regmap: Back out work buffer fix 2013-04-09 18:03:25 +01:00
bcma Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem 2013-03-01 13:52:03 -05:00
block libceph: let osd ops determine request data length 2013-05-01 21:17:02 -07:00
bluetooth Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth 2013-03-18 15:17:11 -04:00
bus
cdrom
char vm: convert HPET mmap to vm_iomap_memory() helper 2013-04-19 09:46:39 -07:00
clk clk: tegra: Allow PLLE training to succeed 2013-04-01 11:44:38 -07:00
clocksource ImgTec Meta architecture changes for v3.9-rc1 2013-03-03 12:06:09 -08:00
connector proc connector: reject unprivileged listener bumps 2013-02-27 13:08:35 -05:00
cpufreq cpufreq / intel_pstate: Set timer timeout correctly 2013-04-08 22:09:23 +02:00
cpuidle
crypto crypto: ux500 - add missing comma 2013-04-05 21:02:17 +08:00
dca dca: convert to idr_alloc() 2013-02-27 19:10:15 -08:00
devfreq
dio
dma dmaengine: at_hdmac: fix race condition in atc_advance_work() 2013-04-18 08:54:22 -07:00
edac EDAC: Merge mci.mem_is_per_rank with mci.csbased 2013-03-16 06:32:30 +01:00
eisa EISA/PCI: Init EISA early, before PNP 2013-04-01 12:02:05 -06:00
extcon extcon: max77693: Initialize register of MUIC device to bring up it without platform data 2013-03-13 17:38:57 +09:00
firewire firewire: convert to idr_alloc() 2013-02-27 19:10:15 -08:00
firmware efivars: only check for duplicates on the registered list 2013-04-26 08:02:03 -07:00
gpio Revert "gpio: pxa: set initcall level to module init" 2013-04-24 21:42:24 +02:00
gpu drm/fb-helper: Fix locking in drm_fb_helper_hotplug_event 2013-04-12 14:21:12 +10:00
hid HID: magicmouse: fix race between input_register() and probe() 2013-04-04 09:49:56 +02:00
hsi hsi: fix kernel-doc warnings 2013-03-01 13:39:00 -08:00
hv Drivers: hv: vmbus: Use the new infrastructure for delivering VMBUS interrupts 2013-02-27 10:15:53 -08:00
hwmon hwmon: (lm75.h) Update header inclusion 2013-03-18 21:19:49 +01:00
hwspinlock hwspinlock: fix __hwspin_lock_request error path 2013-04-05 17:45:11 +03:00
i2c ACPI / I2C: Use parent's ACPI_HANDLE() in acpi_i2c_register_devices() 2013-04-02 15:30:41 +02:00
ide Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2013-02-26 20:16:07 -08:00
idle intel_idle: additional Haswell CPU-id 2013-03-15 10:55:31 -04:00
iio First round of iio fixes post the 3.9 merge window. 2013-03-06 05:48:24 +08:00
infiniband firmware,IB/qib: revert firmware file move 2013-04-05 12:19:39 -07:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2013-04-19 09:15:13 -07:00
iommu IOMMU fixes for Linux v3.9-rc4 2013-03-27 09:25:11 -07:00
ipack
irqchip irqchip: gic: fix irq_trigger return 2013-03-26 20:52:25 +01:00
isdn isdn: hisax: netjet requires VIRT_TO_BUS 2013-03-17 12:01:10 -04:00
leds Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds 2013-02-26 09:29:02 -08:00
lguest All trivial, thanks to the stuff which didn't quite make it time. 2013-02-26 14:49:12 -08:00
macintosh Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2013-02-23 17:09:55 -08:00
mailbox mailbox, pl320-ipc: remove __init from probe function 2013-03-04 14:23:11 +01:00
md Revert "block: add missing block_bio_complete() tracepoint" 2013-04-18 09:00:26 -07:00
media Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media 2013-04-26 08:17:07 -07:00
memory
memstick memstick: move the dereference below the NULL test 2013-02-27 19:10:23 -08:00
message
mfd mfd: twl4030-madc: Remove __exit_p annotation 2013-03-15 07:42:22 +01:00
misc misc/vmw_vmci: Add dependency on CONFIG_NET 2013-04-03 11:53:39 -07:00
mmc Merge branches 'devel-stable', 'fixes' and 'mmci' into for-linus 2013-03-03 00:32:50 +00:00
mtd mtdchar: remove no-longer-used vma helpers 2013-04-19 10:05:39 -07:00
net net: ax88796: avoid 64 bit arithmetic 2013-04-19 17:57:48 -04:00
nfc NFC: microread: Fix build failure due to a new MEI bus API 2013-04-01 00:52:42 +02:00
ntb
nubus
of
oprofile fs: Limit sys_mount to only request filesystem modules. 2013-03-03 19:36:31 -08:00
parisc Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2013-02-26 20:16:07 -08:00
parport
pci PCI/PM: Disable runtime PM of PCIe ports 2013-04-03 15:54:59 -06:00
pcmcia
pinctrl Here are a few pinctrl fixes for the v3.9 rc series: 2013-03-24 10:11:29 -07:00
platform Merge branch 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86 2013-04-18 15:14:34 -07:00
pnp ACPI / glue: Add .match() callback to struct acpi_bus_type 2013-03-04 14:23:40 +01:00
power power: convert to idr_alloc() 2013-02-27 19:10:18 -08:00
pps drivers/pps/clients/pps-gpio.c: use devm_kzalloc 2013-02-27 19:10:23 -08:00
ps3
ptp
pwm pwm: Changes for v3.9-rc1 2013-02-26 09:34:29 -08:00
rapidio
regulator Merge remote-tracking branch 'regulator/fix/twl' into tmp 2013-03-05 10:12:43 +08:00
remoteproc remoteproc: fix FW_CONFIG typo 2013-04-07 15:11:27 +03:00
rpmsg rpmsg: convert to idr_alloc() 2013-02-27 19:10:18 -08:00
rtc Revert "drivers/rtc/rtc-at91rm9200.c: use a variable for storing IMR" 2013-04-05 09:36:53 -07:00
s390 qeth: fix qeth_wait_for_threads() deadlock for OSN devices 2013-04-08 17:16:57 -04:00
sbus bbc_i2c: fix section mismatch warning 2013-03-31 19:29:12 -04:00
scsi [SCSI] lpfc: fix potential NULL pointer dereference in lpfc_sli4_rq_put() 2013-04-11 14:17:15 -07:00
sfi
sh
sn
spi spi: Fixes for v3.9 2013-04-05 10:04:41 -07:00
ssb ssb: implement spurious tone avoidance 2013-04-10 10:31:26 -04:00
staging staging: comedi: s626: fix continuous acquisition 2013-03-25 11:35:38 -07:00
target target: Fix incorrect fallthrough of ALUA Standby/Offline/Transition CDBs 2013-04-11 01:48:49 -07:00
tc
thermal thermal: exynos_thermal: return a proper error code while thermal_zone_device_register fail. 2013-03-11 23:09:29 +08:00
tty TTY: fix atime/mtime regression 2013-04-26 07:59:23 -07:00
uio uio: convert to idr_alloc() 2013-02-27 19:10:19 -08:00
usb USB / PM: Don't try to hide PM QoS flags from usb_port_device_release() 2013-04-02 01:25:09 +02:00
uwb
vfio vfio-pci: Fix possible integer overflow 2013-03-26 11:33:16 -06:00
vhost Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2013-04-12 15:26:42 -07:00
video vm: convert fb_mmap to vm_iomap_memory() helper 2013-04-19 09:57:35 -07:00
virt
virtio All trivial, thanks to the stuff which didn't quite make it time. 2013-02-26 14:49:12 -08:00
vlynq
vme
w1 w1: fix oops when w1_search is called from netlink connector 2013-03-12 16:20:46 -07:00
watchdog watchdog: Revert the AT91RM9200_WATCHDOG dependency 2013-04-14 09:09:10 +02:00
xen Bug-fixes: 2013-04-10 15:57:33 -07:00
zorro new helper: file_inode(file) 2013-02-22 23:31:31 -05:00
Kconfig
Makefile Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2013-02-23 17:09:55 -08:00