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Autobuild-User: Jeremy Allison <jra@samba.org>
Autobuild-Date: Sat Feb 5 03:33:59 CET 2011 on sn-devel-104
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allocation extent without changing end-of-file size.
Autobuild-User: Jeremy Allison <jra@samba.org>
Autobuild-Date: Tue Dec 21 02:41:24 CET 2010 on sn-devel-104
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vfs_fallocate_mode parameter.
It turns out we need the fallocate operations to be able to both
allocate and extend filesize, and to allocate and not extend
filesize, and posix_fallocate can only do the former. So by defining
the vfs op as posix_fallocate we lose the opportunity to use any
underlying syscalls (like Linux fallocate) that can do the latter
as well.
We don't currently use the non-extending filesize call, but now
I've changed the vfs op definition we can in the future. For the
moment simply map the fallocate op onto posix_fallocate for the
VFS_FALLOCATE_EXTEND_SIZE case and return ENOSYS for the
VFS_FALLOCATE_KEEP_SIZE case.
Jeremy.
Autobuild-User: Jeremy Allison <jra@samba.org>
Autobuild-Date: Sat Dec 18 08:59:27 CET 2010 on sn-devel-104
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fsp->fsp_name->st
instead of a SMB_STRUCT_STAT on the stack.
Jeremy.
Autobuild-User: Jeremy Allison <jra@samba.org>
Autobuild-Date: Tue Dec 14 05:05:50 CET 2010 on sn-devel-104
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vfs_slow_fallocate()
and use that from both the truncate and fill_sparse functions.
Jeremy.
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Jeremy.
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allocate is on
Tries posix_fallocate() and then falls back to old code.
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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Don't log this at level 1 - every EACCES will generate one.
Thanks to muehlfeld@medizinische-genetik.de for pointing this out.
Jeremy.
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Guenther
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Volker pointed out I'd missed the "last directory" cache
part of this code. Return us to caching the directory we're
in (reduces sys call load).
Mea maxima culpa.
Jeremy.
This reverts commit 2f30aea3324f32f9b8555e961256fc1280da2871.
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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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Volker.
Create widelinks_warning(int snum) to cover the message needed in make_connection.
Jeremy.
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This way we avoid any chance that a configuration reload may turn
back on wide links when unix extensions are enabled.
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Change parameter "wide links" to default to "no".
Ensure "wide links = no" if "unix extensions = yes" on a share.
Fix man pages to refect this.
Remove "within share" checks for a UNIX symlink set - even if
widelinks = no. The server will not follow that link anyway.
Correct DEBUG message in check_reduced_name() to add missing "\n"
so it's really clear when a path is being denied as it's outside
the enclosing share path.
Jeremy.
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This is no longer used for anything.
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wide links = no.
Jeremy.
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This is a hot codepath (called from the stat cache)
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function vfs_stat_fsp(). Stops code looking at fsp->posix_open
except for exceptional circumstances.
Jeremy.
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Jeremy.
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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 is to ease the linking pain of everything that links LOCKING_OBJ
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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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smb_filename struct
Some of the callers required minimal changes, while others
(copy_internals) required significant changes. The task is simplified
a little bit because we are able to do operations and checks on the
base_name when a stream isn't used.
This patch should cause no functional changes.
Volker, Jeremy: Please check
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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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This patch introduces
struct stat_ex {
dev_t st_ex_dev;
ino_t st_ex_ino;
mode_t st_ex_mode;
nlink_t st_ex_nlink;
uid_t st_ex_uid;
gid_t st_ex_gid;
dev_t st_ex_rdev;
off_t st_ex_size;
struct timespec st_ex_atime;
struct timespec st_ex_mtime;
struct timespec st_ex_ctime;
struct timespec st_ex_btime; /* birthtime */
blksize_t st_ex_blksize;
blkcnt_t st_ex_blocks;
};
typedef struct stat_ex SMB_STRUCT_STAT;
It is really large because due to the friendly libc headers playing macro
tricks with fields like st_ino, so I renamed them to st_ex_xxx.
Why this change? To support birthtime, we already have quite a few #ifdef's at
places where it does not really belong. With a stat struct that we control, we
can consolidate the nanosecond timestamps and the birthtime deep in the VFS
stat calls.
At this moment it is triggered by a request to support the birthtime field for
GPFS. GPFS does not extend the system level struct stat, but instead has a
separate call that gets us the additional information beyond posix. Without
being able to do that within the VFS stat calls, that support would have to be
scattered around the main smbd code.
It will very likely break all the onefs modules, but I think the changes will
be reasonably easy to do.
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This is to be able to provide more specific error messages.
Michael
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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 replaces release_level2_oplocks_on_change with
contend_level2_oplock_begin/end in order to contend level2 oplocks
throughout an operation rather than just at the begining. This is
necessary for some kernel oplock implementations, and also lays the
groundwork for better correctness in Samba's standard level2 oplock
handling. The next step for non-kernel oplocks is to add additional
state to the share mode lock struct that prevents any new opens from
granting oplocks while a contending operation is in progress.
All operations that contend level 2 oplocks are now correctly spanned
except for aio and synchronous writes. The two write paths both have
non-trivial error paths that need extra care to get right.
RAW-OPLOCK and the rest of 'make test' are still passing with this
change.
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I'm not certain if the dummy pointer is needed in struct vfs_fsp_data,
but I added it to be consistent with the comment below.
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The goal is to move all this variables into a big context structure.
metze
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(This used to be commit 559180f7d30606d1999399d954ceedc798c669a4)
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