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The module makes use of the new io_uring infrastructure
(intruduced in linux 5.1), see https://lwn.net/Articles/778411/ and
http://git.kernel.dk/cgit/liburing/
Currently this only implements SMB_VFS_{PREAD,PWRITE,FSYNC}_SEND/RECV
and avoids the overhead of our userspace threadpool.
In future we'll hopefully make more use of more advanced io_uring
features.
For now we don't have automated tests as our test infrastructure
doesn't use a recent kernel. At least we're able to do compile tests
on fedora31.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Sat Feb 15 11:37:45 UTC 2020 on sn-devel-184
Signed-off-by: Ralph Wuerthner <ralph.wuerthner@de.ibm.com>
Reviewed-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Autobuild-User(master): Christof Schmitt <cs@samba.org>
Autobuild-Date(master): Mon Feb 3 21:53:05 UTC 2020 on sn-devel-184
Now we use this instead of symlinks to create
DFS links, it's needed in cap.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Thu Jan 30 18:21:47 UTC 2020 on sn-devel-184
Now we use this instead of symlinks to create
DFS links, it's needed in catia.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Shorten the function a bit by directly returning the mapped value.
Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
The set_gpfs_lease function first maps the lease argument to the GPFS
version and then issues the API call. Change this to only do the mapping
in the helper function.
Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Follow the current coding guidelines to first issue the function call
and then check the return code.
Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Remove trailing whitespace and put each argument on a seperate line.
Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
The API call is already done as root user (become_root), so that the
lease contains the root user. The lease capability is already implied by
the root user, so the explicit call to linux_set_lease_capability is not
required.
Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This reverts commit c9adf47ac5a5aa0dd12572c34b08cc51f15b2e97.
The fake fd is no longer necessary, as vfs_glusterfs now provides a
fcntl_fn hook.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14241
Signed-off-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
This hook is currently called via vfs_set_blocking(), so can safely be
ignored.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14241
Signed-off-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
This hook is currently called via vfs_set_blocking(), so can safely be
ignored.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14241
Signed-off-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
GlusterFS currently doesn't have an API implementation to set flags on
open file descriptor. Thus we use pipe() to provide valid file descriptor
from the system.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14241
Signed-off-by: Anoop C S <anoopcs@redhat.com>
Reviewed-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
Autobuild-User(master): Günther Deschner <gd@samba.org>
Autobuild-Date(master): Fri Jan 17 17:14:43 UTC 2020 on sn-devel-184
The last Ceph Hammer release (0.94.10) came in Feb 2017, as is no longer
supported upstream. Drop support for building Samba vfs_ceph against
version prior to 0.94.0.
Signed-off-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Samuel Cabrero <scabrero@samba.org>
Autobuild-User(master): David Disseldorp <ddiss@samba.org>
Autobuild-Date(master): Sat Jan 11 14:59:36 UTC 2020 on sn-devel-184
libcephfs statx became available with the Kraken (11.2.0) release of
Ceph in Jan 2017. Versions prior to this are no longer supported
upstream, so we can drop support within Samba vfs_ceph.
Signed-off-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Samuel Cabrero <scabrero@samba.org>
As discussed with Jeremy in bug 14232, the vfs_ceph.renameat_fn
implementation currently ignores srcfsp and dstfsp. As a result,
relative smb_fname_src/smb_fname_dest paths will be processed as
relative to cwd.
This is currently a valid assumption, as srcfsp and dstfsp should
always match conn->cwd_fsp. Add an assert to clarify this.
Signed-off-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Thu Jan 9 20:20:05 UTC 2020 on sn-devel-184
User newer debug macro and print full path to affected file.
Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Wed Jan 8 01:26:46 UTC 2020 on sn-devel-184
Any other error code from gpfs_set_share should never happen. Print a
error message in case this is ever encountered.
Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
GPFS file systems can be configured without support for share modes. As
this results in an unique error code, print a message explaining this
situation and the required config changes.
Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
As this denies access to a file, provide a better error message for
easier troubleshooting.
Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Follow the convention to return 0 on success and -1 when hitting an
error.
Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
The gpfs_set_share API call has been around for a long time and
definitely all supported GPFS versions have it. Remove the check and
fallback for old versions without this API.
Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This avoids a redundant error message in case the call to acquire the
sharemode had failed before.
Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
The fsp has a valid file descriptor when this function is called. No
need for the additional check.
Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
The VFS flock function is called with a zero access_mask to indicate
that the share mode should be cleared. Adjust the check to directly
check the access_mask and provide a better message to indicate this
case.
Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
