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vfs_GetWd depends upon a current tcon in fake_acls, otherwise it will
call openat with an invalid dirfd on a relative pathname.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
We have to undo the fsp allocation and open we've done. Not noticed,
it's probably highly unlikely OpenDir_fsp() fails.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Tue Nov 12 13:26:10 UTC 2024 on atb-devel-224
Use reopen_from_fsp(), this will use the /proc/self/fd/<fd> trick if
available, no need to go through non_widelink_open
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
By default enabled on non-clustered Samba, disabled on clustered Samba, the
reason being the expected additional load caused by forcing strict rename to be
enabled.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
"deferred" will be used in the function by a later commit...
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
This matches the notify_fname() argument name and the next commit is going to
add an "action" variable.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Checks for Directory Lease breaks on the parent directory of smb_fname. Gets a
sharemode lock on the locking.tdb record of the directory, hence it mustn't be
called if the caller still has another sharmode lock.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
notify_fname() for NOTIFY_ACTION_DIRLEASE_BREAK will soon need the lease of the
current open and to implement "MS-FSA 2.1.4.12 Algorithm to Check for an Oplock
Break" with flags=PARENT_OBJECT.
No change in behaviour for now, all callers pass lease=NULL;
Also change path arg to struct smb_filename.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
This will be a common pattern in the upcoming code dealing with Directory Lease
breaks: when checking for Directory Lease breaks on the parent directory, we
take the sharemode lock on the parent and hence by then must have dropped the
sharemode lock on the object that performs the Directory Lease break check. That
functionality will be later added to notify_fname().
This means the notification will be sent a wee bit later, but that's something
the change notification protocol has to live with anyway.
For Directory Leases the sequence to check for Directory Lease breaks is to call
MS-FSA 2.1.4.12 "Algorithm to Check for an Oplock Break" with
flags=PARENT_OBJECT at the end of each relevant operation, eg creating a file
asf, when processing of the operation that will call 2.1.4.12 is already
completed.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Check for open files recursively when renaming a directory and wait for handle
lease breaks.
As delay_for_handle_lease_break_send() does the same check as
have_file_open_below(), remove have_file_open_below() from can_rename() so it is
not called twice for SMB2 renames, and add calls to have_file_open_below() to the
SMB1 entry rename entry points.
This is a bit ugly, but I don't see any other good way of doing this.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15608
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Let have_file_open_below() be the single function to check if
"have_file_open_below" and let it check internally whether to just search the
fsp list in the process or traversing locking.tdb based on the setting of
"strict rename".
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15608
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
In the future not all callers will have a share_mode_lock around.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15608
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
All existing callers use share_mode_forall_read(), so no change in behaviour.
Note: doing the indirection via the function pointers "ro_fn" and "rw_fn" in a
single state "struct share_mode_forall_state" avoids duplicating
share_mode_forall_dump_fn() and share_mode_forall_fn() and has the benefit of
code sharing of these functions for both read-only and read-write cases.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15608
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
