doc: Change listed RBD cache defaults to actual defaults

Signed-off-by: Adam Crume <adamcrume@gmail.com>
osdc: Fix ObjectCounter::_readx perf counters

Signed-off-by: Adam Crume <adamcrume@gmail.com>
librbd: Add read-ahead

Signed-off-by: Adam Crume <adamcrume@gmail.com>
client: Replace client readahead logic with Readahead

Signed-off-by: Adam Crume <adamcrume@gmail.com>
Fixed JSON output for stray OSDs
common: link mds/flock.o to libcommon

later commit will use this code to track file locks held by cephfs
client.

Signed-off-by: Yan, Zheng <zyan@redhat.com>
client: posix file lock support

Signed-off-by: Yan, Zheng <zyan@redhat.com>
fuse: enable fuse_multithreaded by default

GETFILELOCK MDS request may block for a long time, so we need to
use multithread event loop,

Signed-off-by: Yan, Zheng <zyan@redhat.com>
client: add helper function that updates lock state

Signed-off-by: Yan, Zheng <zyan@redhat.com>
return value of handle_message for MSG_OSD_SUBOP/MSG_OSD_SUBOPREPLY should be true

if the return value is true , it will skip unnecessary checks

Signed-off-by: xinxin shu <xinxin.shu@intel.com>
client: register callback for fuse interrupt

libfuse allows program to reigster a callback for interrupt. When a file
system operation is interrupted, the fuse kernel driver sends interupt
request to libfuse. libfuse calls the interrupt callback when receiving
interrupt request.

Signed-off-by: Yan, Zheng <zyan@redhat.com>
client: allow interrupting blocked file lock operation

This commit introduce two new types of setfilelock request. Unlike
setfilelock (UNLOCK) request, these two new types of setfilelock request
do not drop locks that have alread been acquired, they only interrupt
blocked setfilelock request.

Signed-off-by: Yan, Zheng <zyan@redhat.com>
client: use atomic variable to track reference of MetaRequeset

this allow us to increase reference count of MetaRequest while not holding
the client_lock

Signed-off-by: Yan, Zheng <zyan@redhat.com>
client: use finisher to abort MDS request

When a request is interrupted, libfuse first locks an internal mutex,
then calls the interrupt callback. libfuse need to lock the same mutex
when unregistering interrupt callback. We unregister interrupt callback
while client_lock is locked, so we can't acquiring the client_lock in
the interrupt callback.

Signed-off-by: Yan, Zheng <zyan@redhat.com>
Update vstart to setup users for s3-tests

vstart.sh now creates the users for the default configuration
for the s3-tests, available on https://github.com/ceph/s3-tests.

Also updated the documentation to show the correct RadosGW port.

Signed-off-by: Luis Pabón <lpabon@redhat.com>
mds: reply -EOPNOTSUPP for unknown lock type

Signed-off-by: Yan, Zheng <zyan@redhat.com>
Merge pull request #2721 from wyllys66/wip-8942

librados: osd: Fixed JSON output for stray OSDs

Backport: giant, firefly
Reviewed-by: Sage Weil <sage@redhat.com>
mds: fix neighbor lock check

Signed-off-by: Yan, Zheng <zyan@redhat.com>
qa/workunits/fs/misc: Add a workunit for file lock interruption

Signed-off-by: Yan, Zheng <zyan@redhat.com>
doc: correct command of `config push`

Signed-off-by: VRan Liu <gliuwr@gmail.com>