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Jeremy.
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module, change the signature of VFS_REALPATH to always return a
malloc'ed string.
Needed to make some privileges work I plan on doing shortly
easier to code.
Jeremy.
Autobuild-User: Jeremy Allison <jra@samba.org>
Autobuild-Date: Sat Nov 20 02:15:50 CET 2010 on sn-devel-104
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Ensure we don't use any of the create_options for Samba private
use. Add a new parameter to the VFS_CREATE call (private_flags)
which is only used internally. Renumber NTCREATEX_OPTIONS_PRIVATE_DENY_DOS
and NTCREATEX_OPTIONS_PRIVATE_DENY_FCB to match the S4 code).
Rev. the VFS interface to version 28.
Jeremy.
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This is a hot codepath (called from the stat cache)
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open.
Since the catia translation is implemented for open, it should not
also be done in createfile. By removing createfile from catia,
translation is now done correctly for the primary open path.
In order to support systems that have custom createfile
implementations that don't eventually call SMB_VFS_OPEN,
SMB_VFS_TRANSLATE_NAME has been expanded to take an additional
argument that specifies direction.
Signed-off-by: Tim Prouty <tprouty@samba.org>
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This vop is designed to work in tandem with SMB_VFS_READDIR to allow
vfs modules to make modifications to arbitrary filenames before
they're consumed by callers. Subsequently the core directory
enumeration code in smbd is now changed to free the memory that may be
allocated in a module. This vop enables the new version of catia in
the following patch.
Signed-off-by: Tim Prouty <tprouty@samba.org>
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Office 2003.
Confirmation from reporter that this fixes the issue in master on ext3/ext4.
Back-ports to follow.
Jeremy.
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This patch introduces two new temporary helper functions
vfs_stat_smb_fname and vfs_lstat_smb_fname. They basically allowed me
to call the new smb_filename version of stat, while avoiding plumbing
it through callers that are still too inconvenient. As the conversion
moves along, I will be able to remove callers of this, with the goal
being to remove all callers.
There was also a bug in create_synthetic_smb_fname_split (also a
temporary utility function) that caused it to incorrectly handle
filenames with ':'s in them when in posix mode. This is now fixed.
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This is required for the shadow_copy2 module and "wide links = no". The file
system snapshots by nature are typically outside of share directory. So the
REALPATH result fails the wide links = no test.
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Since file_id_create_dev is incompatible with the concept of file_ids,
it is now static and in the one file that needs it.
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This patch adds 3 new VFS OPs for Windows byte range locking: BRL_LOCK_WINDOWS,
BRL_UNLOCK_WINDOWS and BRL_CANCEL_WINDOWS. Specifically:
* I renamed brl_lock_windows, brl_unlock_windows and brl_lock_cancel to
*_default as the default implementations of the VFS ops.
* The blocking_lock_record (BLR) is now passed into the brl_lock_windows and
brl_cancel_windows paths. The Onefs implementation uses it - future
implementations may find it useful too.
* Created brl_lock_cancel to do what brl_lock/brl_unlock do: set up a
lock_struct and call either the Posix or Windows lock function. These happen
to be the same for the default implementation.
* Added helper functions: increment_current_lock_count() and
decrement_current_lock_count().
* Minor spelling correction in brl_timeout_fn: brl -> blr.
* Changed blocking_lock_cancel() to return the BLR that it has cancelled. This
allows us to assert its the lock that we wanted to cancel. If this assert ever
fires, this path will need to take in the BLR to cancel, rather than choosing
on its own.
* Adds a small helper function: find_blocking_lock_record_by_id(). Used by the
OneFS implementation, but could be useful for others.
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search requests.
By default this VFS call is a NOOP, but the onefs vfs module takes advantage
of it to initialize direntry search caches at the beginning of each
TRANS2_FIND_FIRST, TRANS2_FIND_NEXT, SMBffirst, SMBsearch, and SMBunique
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* this allows VFS implementations that prefetch stat information on
readdir to return it through one VFS call
* backwards compatibility is maintained by passing in NULL
* if the system readdir doesn't return stat info, the stat struct is
set to invalid
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This allows module implementors to customize what allocation size is
returned to the client.
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This is done to help file systems that can tell us about the real upper/lower
case combination given a case-insensitive file name. The sample I will soon
push is the gpfs module (recent gpfs has a get_real_filename function), others
might have a similar function to help alleviate the 1million files in a single
directory problem.
Jeremy, please comment!
Thanks,
Volker
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This replaces the is_dos_path bool with a more future-proof argument.
The next step is to plumb INTERNAL_OPEN_ONLY through this flag instead
of overridding the oplock_request.
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Now unix paths can be differentiated from windows paths so the
underlying create_file implementations can convert paths correctly.
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Modify all callers of create_file to go through SMB_VFS_CREATE_FILE
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metze
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(cherry picked from commit 435b80a9a2e9324cc20594d922b3d8d6418c27af)
(This used to be commit 055bb54fa646f6de7d7b748deaebd69ddeff33d1)
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Fix Coverity ID 552 and 553
(This used to be commit c46e10d2605b22d31675976e62e5ae61d73c8a0a)
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this can only be done via fset_nt_acl() using an open
file/directory handle. I'd like to do the same with
get_nt_acl() but am concerned about efficiency
problems with "hide unreadable/hide unwritable" when
doing a directory listing (this would mean opening
every file in the dir on list).
Moving closer to rationalizing the ACL model and
maybe moving the POSIX calls into a posix_acl VFS
module rather than having them as first class citizens
of the VFS.
Jeremy.
(This used to be commit f487f742cb903a06fbf2be006ddc9ce9063339ed)
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Now all those redundant fd's have vanished from the VFS API.
Michael
(This used to be commit 14294535512a7f191c5008e622b6708e417854ae)
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It turns out that this is a necessary operation, separate from statvfs. statvfs
can fail during tcon, so conn->fs_capabilities would never see that we support
streams on a particular share.
James, can you check that I got the darwin variant right? Thanks!
(This used to be commit 3ad798d803b3b023533bb48e6993885f22b96095)
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Based on jpeach's work, modified the streaminfo prototype
Make use of it in trans2.c together with marshall_stream_info()
(This used to be commit c34d729c7c0600a8f11bf7e489a634a4e37fe88e)
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handle FS capabilities.
As discussed with Volker, it is better to calculate FS capabilities at
connection time. We already do this with help of VFS statvfs() call
which allows to fill-in system-specific attributes including FS
capabilities. So just re-use it if you want to represent additional
capabilities in your modules. The only caution is that you need to
call underlying statvfs() call to actually get system-specific
capabilities (and other fields) added. Then add module-specific ones.
(This used to be commit e342ca0d931f9a5c8ec9e472dc9c63f1fe012b3a)
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result for a file.
This makes sense as upper levels are only taking returned result of 0
(no error) into consideration when deciding whether to mark file
offline/online as returned from is_offline.
That means that we simply can move the decision down to VFS module and
clean up upper levels so that they always see only file status. If there
is an error when trying to identify file status, then VFS module could
decide what to return (offline or online) by itself -- after all, it
ought to have system-specific knowledge anyway.
(This used to be commit 75cc08661473cce62756fa062071bb2bc1fb39ec)
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NEEDS MORE TESTING !
Jeremy.
(This used to be commit bcc94aed6f03211866aa85753a90fece87846ba9)
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operations to VFS
Offline files support and remote storage are for allowing communication with
backup and archiving tools that mark files moved to a tape library as offline.
We translate this info into corresponding CIFS offline file attribute and
mark an exported volume as remote storage.
Async I/O force is to allow selective redirection of I/O operations to asynchronous
processing in case it is viable at VFS module discretion. It is needed for
proper handling of offline files as performing regular I/O on offline file will
block smbd.
Signed-off-by: Alexander Bokovoy <ab@samba.org>(This used to be commit 875208724e39564fe81385dfe36e6c963e79e101)
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Michael
(This used to be commit 3958abffaf2866c69ad9e13ec345364fde5c78bb)
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Michael
(This used to be commit a52cfb7d777157c93c9dc26c67f457be592dd537)
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Michael
(This used to be commit c8ae7d095a2a6a7eac920a68ca7244e3a423e1b1)
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Michael
(This used to be commit a8fc2ddad8d5f7c6c00cb36c74a32a02d69d1d04)
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Michael
(This used to be commit 3c997ae0002d4c50e8899600c17ddf74ac61f6f0)
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Michael
(This used to be commit 0bd2643463a9160c8a1c7e1c2f8cca7b89060e09)
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Michael
(This used to be commit bfc3b5a27f707d3e4b8d5d66192891e22365fbb3)
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Michael
(This used to be commit 167649b3b8bc293f8434ffc9fb5f80463e4e75be)
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Michael
(This used to be commit 2cb739a82dc6bb194d60718cc74b26ee7c1c46a7)
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Michael
(This used to be commit 9296e93588c0e795cae770765050247ac1474a74)
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Michael
(This used to be commit 7b201c177b3668f54751ba17d6a0b53ed913e7f7)
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Michael
(This used to be commit 42663e8736e1a3dfb57e0aafdcbf5fec880da779)
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Michael
(This used to be commit ee5a20becdcdb20d7012732b324c6938fab44f67)
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Michael
(This used to be commit 8880eb82f16d561a4023ec8426f8ea35c579a7a6)
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