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16 Commits

Author SHA1 Message Date
Alexander Bokovoy
c2689ed118 Prefix VFS API macros with SMB_ for consistency and to avoid problems with VFS_ macros at system side. We currently have one clash with AIX and its VFS_LOCK. Compiled and tested -- no new functionality or code, just plain rename of macros for yet-unreleased VFS API version. Needs to be done before a24 is out -
Alexander Bokovoy
91984ef5ca Fix VFS layer: 
1. Finally work with cascaded modules with private data storage per module
2. Convert VFS API to macro calls to simplify cascading
3. Add quota support to VFS layer (prepare to NT quota support)

Patch by Stefan (metze) Metzemacher, with review of Jelmer and me
Tested in past few weeks. Documentation to new VFS API for third-party developers to follow
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Tim Potter
6a58c9bd06 Removed version number from file header. 
Changed "SMB/Netbios" to "SMB/CIFS" in file header.
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Jeremy Allison
5a4d22dd66 smbd/notify_hash.c: Merged Herb's fix. 
lib/debug.c: Fix for potential null pointer access.
Jeremy.
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Herb Lewis
12c10e876e more compiler warnings -
Jeremy Allison
ce59e4a772 Fixed issues with changenotify only being called once in VC++. 
Jeremy.
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Jeremy Allison
7707c5e073 Tidy up debug in notify code. 
Jeremy.
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Jeremy Allison
8d23a7441b Merge the become_XXX -> change_to_XXX fixes from 2.2.2 to HEAD. 
Ensure make_conection() can only be called as root.
Jeremy.
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Tim Potter
2d0922b0ea Removed 'extern int DEBUGLEVEL' as it is now in the smb.h header. -
Simo Sorce
a95943fde0 move to SAFE_FREE() -
Jeremy Allison
0be41d5158 Merge of new 2.2 code into HEAD (Gerald I hate you :-) :-). Allows new SAMR 
RPC code to merge with new passdb code.
Currently rpcclient doesn't compile. I'm working on it...
Jeremy.
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Jeremy Allison
f96625ec12 Restructuring of the code to remove dos_ChDir/dos_GetWd and re-vector them 
through the VFS. All file access/directory access code in smbd should now
go via the vfs. Added vfs_chown/vfs_chmod calls. Still looking at vfs_get_nt_acl()
vfs_set_nt_acl() call API design.
Jeremy.
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Jeremy Allison
915152ed98 Optimization (noticed by bloody Andrew :-) to stop directory scan ever 
being done if any of the directory timestamps were changed.
Jeremy.
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Jeremy Allison
07dffc4ee9 Fix to allow a timestamp of zero to cause an instantaneous changenotify 
scan - then call this from renames. This allows instantaneous update for
W2k renames.
Jeremy.
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Andrew Tridgell
b1441d9622 allow the notify implementation to choose the select timeout change -
Andrew Tridgell
44766c39e0 totally rewrote the async signal, notification and oplock notification 
handling in Samba. This was needed due to several limitations and
races in the previous code - as a side effect the new code is much
cleaner :)

in summary:

- changed sys_select() to avoid a signal/select race condition. It is a
  rare race but once we have signals doing notification and oplocks it
  is important.

- changed our main processing loop to take advantage of the new
  sys_select semantics

- split the notify code into implementaion dependent and general
  parts. Added the following structure that defines an implementation:

struct cnotify_fns {
	void * (*register_notify)(connection_struct *conn, char *path, uint32 flags);
	BOOL (*check_notify)(connection_struct *conn, uint16 vuid, char *path, uint32 flags, void *data, time_t t);
	void (*remove_notify)(void *data);
};


then I wrote two implementations, one using hash/poll (like our old
code) and the other using the new Linux kernel change notify. It
should be easy to add other change notify implementations by creating
a sructure of the above type.

- fixed a bug in change notify where we were returning the wrong error
  code.

- rewrote the core change notify code to be much simpler

- moved to real-time signals for leases and change notify

Amazingly, it all seems to work. I was very surprised!
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