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This paves the way for adding async functions into the enumeration loop.
Best viewed with: git show -w
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
In future this will an impersonation wrapper tevent_context based on the
user session.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
HPUX has this problem.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13270
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): Fri Feb 23 22:56:35 CET 2018 on sn-devel-144
The offset calculation for the offset that got passed to
fetch_write_time_send() in the enumeration loop was wrong as it passed
the offset before smbd_dirptr_lanman2_entry() added required padding.
This resulted in broken timestamps in the find response.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13024
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Tue Sep 12 02:45:46 CEST 2017 on sn-devel-144
On 32-bit freebsd11, size_t is 32 bit. %zu does not cover
64 bits.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
This is just a hack for selftest that will be used in subsequent commits
for torturing compound find requests.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Finally use the new async dbwrap_parse_record_send/recv() functions
respectively the fetch_share_mode_send/recv wrappers for fetching the
write time from locking.tdb.
Previously for a directory with n files we would sit idle in the
directory enumeration loop fo n * m seconds waiting for responses from
ctdb, where m is the response time in seconds for a dbwrap request via
ctbd.
This is known to kill performance and we even have a parameter
"smbd:search ask sharemode" that can be used to disable fetching the
write time from locking.tdb.
Using fetch_write_time_send() works this way: in the directory
enumeration loop that calls smbd_dirptr_lanman2_entry() to marshall the
directory entries we
1. call fetch_write_time_send() after calling smbd_dirptr_lanman2_entry
passing a pointer to the current position in the marshall buffer.
2. If fetch_write_time_send() has set the out parameter "stop", we exit
the enumeration loop. This is necessary because we only send dbwrap
requests but don't consume the results. This has the potential to
deadlock so we must stop sending requests as soon as our ctdb send
queue is full.
3. In the fetch_write_time_done() callback, if the recv function got a
locking.tdb record, we push the write time into the marshall buffer
at the offet saved in the request state.
This new feature is still off by default as it doesn't
give any improvement in the non-clustered usecase.
"smbd:async search ask sharemode" can be used to activate it,
which makes only sense with "clustering = yes" (execept for testing).
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Not used for now, needed for async write_time updates in
smbd_smb2_query_directory_send().
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
dptr_CloseDir() will close and invalidate the fsp's file descriptor, we
have to reopen it.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=12496
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Uri Simchoni <uri@samba.org>
Also internally change path storage inside struct dptr_struct
to a struct smb_filename *.
This allows me to remove several of the synthetic_smb_fname()
calls I had to add in the previous patches, as we're now
dealing with struct smb_filename * throughout the dptr and
OpenDir code.
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): Tue Mar 1 18:34:24 CET 2016 on sn-devel-144
Currently SMB2/3 doesn't do posix pathname processing, leave this
as a placeholder for when SMB2 unix extensions are added.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <Volker.Lendecke@SerNet.DE>
This will allow us to move lp_posix_pathnames() out of unix_convert()
later.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <rb@sernet.de>
Prepare to remove lp_posix_pathnames() out of ms_has_wild().
Check before calls to ms_has_wild().
Fix smbd_smb2_query_directory_send().
No SMB2 client uses unix extensions yet, but this is a placeholder
for when we move the POSIX pathnames bit into the SMB2 request
when moving to handle based code.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Signed-off-by: Richard Sharpe <rsharpe@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Fri Mar 27 01:24:47 CET 2015 on sn-devel-104
