glusterfs.git/xlators/features/snapview-client, branch v3.7.0

uss : implement statfs fop for snapd

2015-05-10T15:51:54+00:00

    Backport of http://review.gluster.org/#/c/10358/

snapview-client and snapview-server doesnot have statfs
fop implemented

Change-Id: I2cdd4c5784414b0549a01af9a28dbc723b7cdc67
BUG: 1218741
Signed-off-by: Mohammed Rafi KC 
Reviewed-on: http://review.gluster.org/10740
Tested-by: NetBSD Build System
Reviewed-by: Niels de Vos 
Reviewed-by: Raghavendra Bhat 
Tested-by: Gluster Build System

snapview: Fixing the coverity issues

2015-04-04T18:00:47+00:00

Coverity CIDs:
1228601
1220056
1238185
1257624

Change-Id: Idb4cc3b44bc3ccb8b497ce355e1e3bacfb176db9
BUG: 789278
Signed-off-by: Nandaja Varma 
Reviewed-on: http://review.gluster.org/9615
Tested-by: Gluster Build System 
Reviewed-by: Vijay Bellur

Avoid conflict between contrib/uuid and system uuid

2015-04-04T17:48:35+00:00

glusterfs relies on Linux uuid implementation, which
API is incompatible with most other systems's uuid. As
a result, libglusterfs has to embed contrib/uuid,
which is the Linux implementation, on non Linux systems.
This implementation is incompatible with systtem's
built in, but the symbols have the same names.

Usually this is not a problem because when we link
with -lglusterfs, libc's symbols are trumped. However
there is a problem when a program not linked with
-lglusterfs will dlopen() glusterfs component. In
such a case, libc's uuid implementation is already
loaded in the calling program, and it will be used
instead of libglusterfs's implementation, causing
crashes.

A possible workaround is to use pre-load libglusterfs
in the calling program (using LD_PRELOAD on NetBSD for
instance), but such a mechanism is not portable, nor
is it flexible. A much better approach is to rename
libglusterfs's uuid_* functions to gf_uuid_* to avoid
any possible conflict. This is what this change attempts.

BUG: 1206587
Change-Id: I9ccd3e13afed1c7fc18508e92c7beb0f5d49f31a
Signed-off-by: Emmanuel Dreyfus 
Reviewed-on: http://review.gluster.org/10017
Tested-by: Gluster Build System 
Reviewed-by: Niels de Vos

features/snapview-client: Don't free un-allocated memory

2015-03-27T12:19:42+00:00

Change-Id: I8636ced27448dde4f2c11370fe2026067d4a7e74
BUG: 1203637
Signed-off-by: Pranith Kumar K 
Reviewed-on: http://review.gluster.org/10004
Reviewed-by: Raghavendra Bhat 
Tested-by: Gluster Build System 
Reviewed-by: Vijay Bellur

features/uss: Perform NULL check on @name in svc_getxattr

2015-01-02T13:10:12+00:00

LISTXATTR fop is internally converted into a GETXATTR with
the "name" parameter set to NULL. In svc_getxattr(), a listxattr
was causing a crash because of a NULL pointer dereference on @name.

FIX:
Add the necessary NULL check.

Change-Id: I70024d40dc0695648c6d41b423c2665d030e1232
BUG: 1178079
Signed-off-by: Krutika Dhananjay 
Reviewed-on: http://review.gluster.org/9378
Reviewed-by: Raghavendra Bhat 
Reviewed-by: Vijaikumar Mallikarjuna 
Reviewed-by: Sachin Pandit 
Tested-by: Gluster Build System 
Reviewed-by: Vijay Bellur

features/snapview-client: handle fsync fop

2014-12-12T16:45:03+00:00

Change-Id: Idaf46bd7497266af837789b09a0c62698f56ee4e
BUG: 1172262
Signed-off-by: Raghavendra Bhat 
Reviewed-on: http://review.gluster.org/9258
Tested-by: Gluster Build System 
Reviewed-by: Sachin Pandit 
Reviewed-by: Vijay Bellur

features/snapview-client: handle readdir requests differently for samba

2014-12-10T04:27:33+00:00

* For samba export, the entry point is also added to the readdir response.

Change-Id: I825c017e0f16db1f1890bb56e086f36e6558a1c2
BUG: 1168875
Signed-off-by: Raghavendra Bhat 
Reviewed-on: http://review.gluster.org/9218
Tested-by: Gluster Build System 
Reviewed-by: Vijay Bellur

uss: CIFS gives error while accessing .snaps directory

2014-12-03T14:47:24+00:00

CIFS sends getxattr call while accessing .snaps directory.
snapview server should return ENODATA if getxattr is called
on .snaps folder. Also flush on .snaps folder should be handled.

Windows client sends and getxattr call on the parent folder
of .snaps with a special key to get the real filename of a file.
This is used by samba to do case insensitive check of files.

Fixed few FreeBSD compilation error.

bug: 1168875

Change-Id: I74d5cb4419568c8ed8709ba6d1ddff0e41392204
Signed-off-by: Rajesh Joseph 
Reviewed-on: http://review.gluster.org/9211
Reviewed-by: Raghavendra Bhat 
Tested-by: Gluster Build System 
Reviewed-by: Vijay Bellur

gluster/uss: Handle notify in snapview-client

2014-11-28T11:56:01+00:00

As there are two subvolumes in snapview-client, there is
a possibility that the regular subvolume is still down and
snapd subvolume come up first. So if we don't handle this situation
CHILD_UP event will be propagated upwards to fuse when regular subvolume
is still down. This can cause data unavailable for the application

Change-Id: I9e5166ed22c2cf637c15db0457c2b57ca044078e
BUG: 1168643
Signed-off-by: vmallika 
Reviewed-on: http://review.gluster.org/9205
Tested-by: Gluster Build System 
Reviewed-by: Vijay Bellur

gluster/uss: Handle ESTALE in snapview client when NFS server restarted

2014-11-26T06:26:04+00:00

When NFS server is restarted inode-context is lost.
Nameless lookup will be sent to regular volume.
If the gfid is from virtual graph, lookup will fail
with ESTALE. We need to send a lookup to snapview server

Change-Id: I22920614f0d14cb90b53653fce95b6b70023eba6
BUG: 1166197
Signed-off-by: vmallika 
Reviewed-on: http://review.gluster.org/9153
Tested-by: Gluster Build System 
Reviewed-by: Sachin Pandit 
Reviewed-by: Vijay Bellur