Re: [Samba] oplocks issue when trying to copy file
Hi! More interesting would be a debug level 10 logfile together with a strace -ttT -o /tmp/smbd.strace -p smbd-pid on the smbd relevant for the client. Volker On Fri, Dec 16, 2011 at 06:44:10PM +0100, Joschi Brauchle wrote: Hello everyone, I would like to follow up on the thread [Samba] oplocks issue when trying to copy file, which I found while googling for a problem. We have the same setup and problem mentioned in that thread: Our Samba server (version 3.5.12) exports a share that was mounted via NFS from another machine. We are using SUSE Linux Enterprise and this setup used to work with kernel oplocks = yes in SLES10, but not in SLES11SP1. I did some research and found that the kernel commit http://kernel.opensuse.org/cgit/kernel/commit/?h=SLE11-SP1id=dd143426eaaadea159c8dd2d3c9ff5e9da94bcfd mentioned in this thread is included in SLES11SP1 kernel 2.6.32.29. So I downgraded to SLES11SP1 2.6.32.12 on a test-machine and can confirm that the problem goes away with kernel oplocks turned on! As a workaround, one can disable kernel oplocks or use the -o nolock option when mounting via NFS. I guess this kernel regression should be reported to Novell. I can provide the samba-level-10 logfiles for 2.6.32.12 (working) and 2.6.32.29 (not working). Best regards, -- Dipl.-Ing. Joschi Brauchle, M.Sc. Institute for Communications Engineering (LNT) Technische Universitaet Muenchen (TUM) 80290 Munich, Germany Tel (work): +49 89 289-23474 Fax (work): +49 89 289-23490 E-mail: joschi.brauc...@tum.de Web: http://www.lnt.ei.tum.de/ -- To unsubscribe from this list go to the following URL and read the instructions: https://lists.samba.org/mailman/options/samba -- SerNet GmbH, Bahnhofsallee 1b, 37081 Göttingen phone: +49-551-37-0, fax: +49-551-37-9 AG Göttingen, HRB 2816, GF: Dr. Johannes Loxen http://www.sernet.de, mailto:kont...@sernet.de -- To unsubscribe from this list go to the following URL and read the instructions: https://lists.samba.org/mailman/options/samba
Re: [Samba] oplocks issue when trying to copy file
I reported the issue here: https://bugzilla.samba.org/show_bug.cgi?id=8670 Please find level-10 logs and strace there. Best regards, Joschi Brauchle On 12/19/2011 10:57 AM, Volker Lendecke wrote: Hi! More interesting would be a debug level 10 logfile together with a strace -ttT -o /tmp/smbd.strace -psmbd-pid on the smbd relevant for the client. Volker On Fri, Dec 16, 2011 at 06:44:10PM +0100, Joschi Brauchle wrote: Hello everyone, I would like to follow up on the thread [Samba] oplocks issue when trying to copy file, which I found while googling for a problem. We have the same setup and problem mentioned in that thread: Our Samba server (version 3.5.12) exports a share that was mounted via NFS from another machine. We are using SUSE Linux Enterprise and this setup used to work with kernel oplocks = yes in SLES10, but not in SLES11SP1. I did some research and found that the kernel commit http://kernel.opensuse.org/cgit/kernel/commit/?h=SLE11-SP1id=dd143426eaaadea159c8dd2d3c9ff5e9da94bcfd mentioned in this thread is included in SLES11SP1 kernel 2.6.32.29. So I downgraded to SLES11SP1 2.6.32.12 on a test-machine and can confirm that the problem goes away with kernel oplocks turned on! As a workaround, one can disable kernel oplocks or use the -o nolock option when mounting via NFS. I guess this kernel regression should be reported to Novell. I can provide the samba-level-10 logfiles for 2.6.32.12 (working) and 2.6.32.29 (not working). Best regards, -- Dipl.-Ing. Joschi Brauchle, M.Sc. Institute for Communications Engineering (LNT) Technische Universitaet Muenchen (TUM) 80290 Munich, Germany Tel (work): +49 89 289-23474 Fax (work): +49 89 289-23490 E-mail: joschi.brauc...@tum.de Web: http://www.lnt.ei.tum.de/ -- To unsubscribe from this list go to the following URL and read the instructions: https://lists.samba.org/mailman/options/samba -- Dipl.-Ing. Joschi Brauchle, M.Sc. Institute for Communications Engineering (LNT) Technische Universitaet Muenchen (TUM) 80290 Munich, Germany Tel (work): +49 89 289-23474 Fax (work): +49 89 289-23490 E-mail: joschi.brauc...@tum.de Web: http://www.lnt.ei.tum.de/ -- To unsubscribe from this list go to the following URL and read the instructions: https://lists.samba.org/mailman/options/samba
Re: [Samba] oplocks issue when trying to copy file
On Fri, Oct 21, 2011 at 01:16:00PM -0700, Philip Ong wrote: I also tried 3.6.1 and it still has the issue -Original Message- From: Michael Wood [mailto:esiot...@gmail.com] Sent: Friday, October 21, 2011 12:09 AM To: Philip Ong Cc: samba@lists.samba.org; samba-techni...@lists.samba.org Subject: Re: [Samba] oplocks issue when trying to copy file Try the samba-technical list. On 20 October 2011 08:33, Philip Ong ph...@nvidia.com wrote: I've narrowed this problem down to a patch that is applied in 2.6.36.3. I replaced file.c from 2.6.36.2 into 2.6.36.3 and Samba works fine. The problem is I'm not sure if Samba needs to be fixed or the kernel needs to be. Anyone know what the right action is? One thing I noticed was the invalid argument being sent in the debugging log. linux_set_kernel_oplock: Refused oplock on file home/foo/open/test.cfg, fd = 33, file_id = 17:aa41ab:0. (Invalid argument) Any advice would help. Hmmm. As the Samba code hasn't changed here w.r.t. requesting kernel oplocks it looks like a kernel regression to me. Jeremy. -- To unsubscribe from this list go to the following URL and read the instructions: https://lists.samba.org/mailman/options/samba
Re: [Samba] oplocks issue when trying to copy file
On Wed, Oct 19, 2011 at 11:33:32PM -0700, Philip Ong wrote: I've narrowed this problem down to a patch that is applied in 2.6.36.3. I replaced file.c from 2.6.36.2 into 2.6.36.3 and Samba works fine. The problem is I'm not sure if Samba needs to be fixed or the kernel needs to be. Anyone know what the right action is? One thing I noticed was the invalid argument being sent in the debugging log. linux_set_kernel_oplock: Refused oplock on file home/foo/open/test.cfg, fd = 33, file_id = 17:aa41ab:0. (Invalid argument) Any advice would help. Thanks, Phil The commit 129a84de2347002f09721cda3155ccfd19fade40 (locks: fix F_GETLK regression (failure to find conflicts)) fixed the posix_test_lock() function by itself, however, its usage in NFS changed by the commit 9d6a8c5c213e34c475e72b245a8eb709258e968c (locks: give posix_test_lock same interface as -lock) remained broken - subsequent NFS-specific locking code received F_UNLCK instead of the user-specified lock type. To fix the problem, fl-fl_type needs to be saved before the posix_test_lock() call and restored if no local conflicts were reported. Looking closer at the problem... We simply call fcntl(fd, F_SETLEASE, leasetype) on a fd to get a kernel oplock on it. int leasetype can be F_WRLCK or F_UNLCK (from Samba). This matches the fcntl F_SETLEASE documentation completely. There has been no change whatsoever in Samba in this regard. So I'm definitely calling kernel regression bug on this one. Jeremy. -- To unsubscribe from this list go to the following URL and read the instructions: https://lists.samba.org/mailman/options/samba
Re: [Samba] oplocks issue when trying to copy file
On Mon, Oct 24, 2011 at 05:35:01PM -0700, Jeremy Allison wrote: On Wed, Oct 19, 2011 at 11:33:32PM -0700, Philip Ong wrote: I've narrowed this problem down to a patch that is applied in 2.6.36.3. I replaced file.c from 2.6.36.2 into 2.6.36.3 and Samba works fine. The problem is I'm not sure if Samba needs to be fixed or the kernel needs to be. Anyone know what the right action is? One thing I noticed was the invalid argument being sent in the debugging log. linux_set_kernel_oplock: Refused oplock on file home/foo/open/test.cfg, fd = 33, file_id = 17:aa41ab:0. (Invalid argument) Any advice would help. Thanks, Phil The commit 129a84de2347002f09721cda3155ccfd19fade40 (locks: fix F_GETLK regression (failure to find conflicts)) fixed the posix_test_lock() function by itself, however, its usage in NFS changed by the commit 9d6a8c5c213e34c475e72b245a8eb709258e968c (locks: give posix_test_lock same interface as -lock) remained broken - subsequent NFS-specific locking code received F_UNLCK instead of the user-specified lock type. To fix the problem, fl-fl_type needs to be saved before the posix_test_lock() call and restored if no local conflicts were reported. Looking closer at the problem... We simply call fcntl(fd, F_SETLEASE, leasetype) on a fd to get a kernel oplock on it. int leasetype can be F_WRLCK or F_UNLCK (from Samba). This matches the fcntl F_SETLEASE documentation completely. There has been no change whatsoever in Samba in this regard. So I'm definitely calling kernel regression bug on this one. FYI. Can you help me by logging a bug with your Linux vendor on this one so we can get this fixed please ? Jeremy. -- To unsubscribe from this list go to the following URL and read the instructions: https://lists.samba.org/mailman/options/samba
Re: [Samba] oplocks issue when trying to copy file
I don't have a linux vendor. We compile kernel.org kernel on top of Centos 5.x. kernel.org is still under construction so I'm not able to submit a bug. Any other suggestions? -Original Message- From: Jeremy Allison [mailto:j...@samba.org] Sent: Monday, October 24, 2011 5:36 PM To: Jeremy Allison Cc: Philip Ong; 'samba@lists.samba.org' Subject: Re: [Samba] oplocks issue when trying to copy file On Mon, Oct 24, 2011 at 05:35:01PM -0700, Jeremy Allison wrote: On Wed, Oct 19, 2011 at 11:33:32PM -0700, Philip Ong wrote: I've narrowed this problem down to a patch that is applied in 2.6.36.3. I replaced file.c from 2.6.36.2 into 2.6.36.3 and Samba works fine. The problem is I'm not sure if Samba needs to be fixed or the kernel needs to be. Anyone know what the right action is? One thing I noticed was the invalid argument being sent in the debugging log. linux_set_kernel_oplock: Refused oplock on file home/foo/open/test.cfg, fd = 33, file_id = 17:aa41ab:0. (Invalid argument) Any advice would help. Thanks, Phil The commit 129a84de2347002f09721cda3155ccfd19fade40 (locks: fix F_GETLK regression (failure to find conflicts)) fixed the posix_test_lock() function by itself, however, its usage in NFS changed by the commit 9d6a8c5c213e34c475e72b245a8eb709258e968c (locks: give posix_test_lock same interface as -lock) remained broken - subsequent NFS-specific locking code received F_UNLCK instead of the user-specified lock type. To fix the problem, fl-fl_type needs to be saved before the posix_test_lock() call and restored if no local conflicts were reported. Looking closer at the problem... We simply call fcntl(fd, F_SETLEASE, leasetype) on a fd to get a kernel oplock on it. int leasetype can be F_WRLCK or F_UNLCK (from Samba). This matches the fcntl F_SETLEASE documentation completely. There has been no change whatsoever in Samba in this regard. So I'm definitely calling kernel regression bug on this one. FYI. Can you help me by logging a bug with your Linux vendor on this one so we can get this fixed please ? Jeremy. --- This email message is for the sole use of the intended recipient(s) and may contain confidential information. Any unauthorized review, use, disclosure or distribution is prohibited. If you are not the intended recipient, please contact the sender by reply email and destroy all copies of the original message. --- -- To unsubscribe from this list go to the following URL and read the instructions: https://lists.samba.org/mailman/options/samba
Re: [Samba] oplocks issue when trying to copy file
Try the samba-technical list.
On 20 October 2011 08:33, Philip Ong ph...@nvidia.com wrote:
I've narrowed this problem down to a patch that is applied in 2.6.36.3. I
replaced file.c from 2.6.36.2 into 2.6.36.3 and Samba works fine. The problem
is I'm not sure if Samba needs to be fixed or the kernel needs to be. Anyone
know what the right action is? One thing I noticed was the invalid argument
being sent in the debugging log.
linux_set_kernel_oplock: Refused oplock on file home/foo/open/test.cfg, fd
= 33, file_id = 17:aa41ab:0. (Invalid argument)
Any advice would help.
Thanks,
Phil
The commit 129a84de2347002f09721cda3155ccfd19fade40 (locks: fix F_GETLK
regression (failure to find conflicts)) fixed the posix_test_lock()
function by itself, however, its usage in NFS changed by the commit
9d6a8c5c213e34c475e72b245a8eb709258e968c (locks: give posix_test_lock
same interface as -lock) remained broken - subsequent NFS-specific
locking code received F_UNLCK instead of the user-specified lock type.
To fix the problem, fl-fl_type needs to be saved before the
posix_test_lock() call and restored if no local conflicts were reported.
Reference: https://bugzilla.kernel.org/show_bug.cgi?id=23892
Tested-by: Alexander Morozov amorozov@xxx
Signed-off-by: Sergey Vlasov vsu@xxx
Signed-off-by: Trond Myklebust Trond.Myklebust@xx
Signed-off-by: Greg Kroah-Hartman gregkh@xxx
Signed-off-by: Andi Kleen ak@xxx
---
fs/nfs/file.c | 2 ++
1 file changed, 2 insertions(+)
Index: linux-2.6.35.y/fs/nfs/file.c
===
--- linux-2.6.35.y.orig/fs/nfs/file.c
+++ linux-2.6.35.y/fs/nfs/file.c
@@ -696,6 +696,7 @@ static int do_getlk(struct file *filp, i
{
struct inode *inode = filp-f_mapping-host;
int status = 0;
+ unsigned int saved_type = fl-fl_type;
/* Try local locking first */
posix_test_lock(filp, fl);
@@ -703,6 +704,7 @@ static int do_getlk(struct file *filp, i
/* found a conflict */
goto out;
}
+ fl-fl_type = saved_type;
if (nfs_have_delegation(inode, FMODE_READ))
goto out_noconflict;
--
-Original Message-
From: Philip Ong
Sent: Tuesday, September 27, 2011 10:41 PM
To: samba@lists.samba.org
Cc: Philip Ong
Subject: oplocks issue when trying to copy file
I'm not sure if this a Kernel/samba or NFS issue. We run this on Centos 5.6
using a kernel.org kernel.
Please find below the problem description
When trying to copy a file to a samba share which has NFS backend on 2.6.36.3
or newer Linux kernel following message is displayed on windows client
An unexpected error is keeping you from copying the file. If you continue to
receive this error, you can use the error code to search for help with this
problem.
Error 0x80070021: The process cannot access the file because another process
has locked a portion of the file
I am able to delete a file within the same directory structure. I am also
able to create a file or folder by right-clicking within Windows Explorer on
XP. Below are the logs generated by samba in debug mode. The main line of
interest was:
linux_set_kernel_oplock: Refused oplock on file home/foo/open/test.cfg, fd =
33, file_id = 17:aa41ab:0. (Invalid argument)
Please note test.cfg was the file which we were trying to copy from windows
check_reduced_name [home/foo/open/test.cfg] [/]
[2011/09/27 17:41:41.128330, 10] smbd/vfs.c:968(check_reduced_name)
check_reduced_name realpath [home/foo/open/test.cfg] -
[/home/foo/open/test.cfg]
[2011/09/27 17:41:41.128339, 3] smbd/vfs.c:1038(check_reduced_name)
check_reduced_name: home/foo/open/test.cfg reduced to /home/foo/open/test.cfg
[2011/09/27 17:41:41.128348, 10] smbd/open.c:3414(create_file_default)
create_file: access_mask = 0x6019f file_attributes = 0x20, share_access =
0x0, create_disposition = 0x2 create_options = 0x44 oplock_request
= 0x3 root_dir_fid = 0x0, ea_list = 0x(nil), sd = 0x(nil), fname =
home/foo/open/test.cfg
[2011/09/27 17:41:41.128359, 3] smbd/vfs.c:881(check_reduced_name)
check_reduced_name [home/foo/open/test.cfg] [/]
[2011/09/27 17:41:41.128377, 10] smbd/vfs.c:968(check_reduced_name)
check_reduced_name realpath [home/foo/open/test.cfg] -
[/home/foo/open/test.cfg]
[2011/09/27 17:41:41.128386, 3] smbd/vfs.c:1038(check_reduced_name)
check_reduced_name: home/foo/open/test.cfg reduced to /home/foo/open/test.cfg
[2011/09/27 17:41:41.128394, 10] smbd/open.c:2941(create_file_unixpath)
create_file_unixpath: access_mask = 0x6019f file_attributes = 0x20,
share_access = 0x0, create_disposition = 0x2 create_options = 0x44 oplock
_request = 0x3 ea_list = 0x(nil), sd = 0x(nil), fname = home/foo/open/test.cfg
[2011/09/27 17:41:41.128406, 5] smbd/files.c:119(file_new)
allocated file structure 14342, fnum = 18438 (4 used)
[2011/09/27 17:41:41.128416, 3] smbd/dosmode.c:166(unix_mode)
unix_mode(home/foo/open/test.cfg) returning
Re: [Samba] oplocks issue when trying to copy file
I also tried 3.6.1 and it still has the issue
-Original Message-
From: Michael Wood [mailto:esiot...@gmail.com]
Sent: Friday, October 21, 2011 12:09 AM
To: Philip Ong
Cc: samba@lists.samba.org; samba-techni...@lists.samba.org
Subject: Re: [Samba] oplocks issue when trying to copy file
Try the samba-technical list.
On 20 October 2011 08:33, Philip Ong ph...@nvidia.com wrote:
I've narrowed this problem down to a patch that is applied in 2.6.36.3. I
replaced file.c from 2.6.36.2 into 2.6.36.3 and Samba works fine. The problem
is I'm not sure if Samba needs to be fixed or the kernel needs to be. Anyone
know what the right action is? One thing I noticed was the invalid argument
being sent in the debugging log.
linux_set_kernel_oplock: Refused oplock on file home/foo/open/test.cfg, fd
= 33, file_id = 17:aa41ab:0. (Invalid argument)
Any advice would help.
Thanks,
Phil
The commit 129a84de2347002f09721cda3155ccfd19fade40 (locks: fix F_GETLK
regression (failure to find conflicts)) fixed the posix_test_lock()
function by itself, however, its usage in NFS changed by the commit
9d6a8c5c213e34c475e72b245a8eb709258e968c (locks: give posix_test_lock
same interface as -lock) remained broken - subsequent NFS-specific
locking code received F_UNLCK instead of the user-specified lock type.
To fix the problem, fl-fl_type needs to be saved before the
posix_test_lock() call and restored if no local conflicts were reported.
Reference: https://bugzilla.kernel.org/show_bug.cgi?id=23892
Tested-by: Alexander Morozov amorozov@xxx
Signed-off-by: Sergey Vlasov vsu@xxx
Signed-off-by: Trond Myklebust Trond.Myklebust@xx
Signed-off-by: Greg Kroah-Hartman gregkh@xxx
Signed-off-by: Andi Kleen ak@xxx
---
fs/nfs/file.c | 2 ++
1 file changed, 2 insertions(+)
Index: linux-2.6.35.y/fs/nfs/file.c
===
--- linux-2.6.35.y.orig/fs/nfs/file.c
+++ linux-2.6.35.y/fs/nfs/file.c
@@ -696,6 +696,7 @@ static int do_getlk(struct file *filp, i
{
struct inode *inode = filp-f_mapping-host;
int status = 0;
+ unsigned int saved_type = fl-fl_type;
/* Try local locking first */
posix_test_lock(filp, fl);
@@ -703,6 +704,7 @@ static int do_getlk(struct file *filp, i
/* found a conflict */
goto out;
}
+ fl-fl_type = saved_type;
if (nfs_have_delegation(inode, FMODE_READ))
goto out_noconflict;
--
-Original Message-
From: Philip Ong
Sent: Tuesday, September 27, 2011 10:41 PM
To: samba@lists.samba.org
Cc: Philip Ong
Subject: oplocks issue when trying to copy file
I'm not sure if this a Kernel/samba or NFS issue. We run this on Centos 5.6
using a kernel.org kernel.
Please find below the problem description
When trying to copy a file to a samba share which has NFS backend on 2.6.36.3
or newer Linux kernel following message is displayed on windows client
An unexpected error is keeping you from copying the file. If you continue to
receive this error, you can use the error code to search for help with this
problem.
Error 0x80070021: The process cannot access the file because another process
has locked a portion of the file
I am able to delete a file within the same directory structure. I am also
able to create a file or folder by right-clicking within Windows Explorer on
XP. Below are the logs generated by samba in debug mode. The main line of
interest was:
linux_set_kernel_oplock: Refused oplock on file home/foo/open/test.cfg, fd =
33, file_id = 17:aa41ab:0. (Invalid argument)
Please note test.cfg was the file which we were trying to copy from windows
check_reduced_name [home/foo/open/test.cfg] [/]
[2011/09/27 17:41:41.128330, 10] smbd/vfs.c:968(check_reduced_name)
check_reduced_name realpath [home/foo/open/test.cfg] -
[/home/foo/open/test.cfg]
[2011/09/27 17:41:41.128339, 3] smbd/vfs.c:1038(check_reduced_name)
check_reduced_name: home/foo/open/test.cfg reduced to /home/foo/open/test.cfg
[2011/09/27 17:41:41.128348, 10] smbd/open.c:3414(create_file_default)
create_file: access_mask = 0x6019f file_attributes = 0x20, share_access =
0x0, create_disposition = 0x2 create_options = 0x44 oplock_request
= 0x3 root_dir_fid = 0x0, ea_list = 0x(nil), sd = 0x(nil), fname =
home/foo/open/test.cfg
[2011/09/27 17:41:41.128359, 3] smbd/vfs.c:881(check_reduced_name)
check_reduced_name [home/foo/open/test.cfg] [/]
[2011/09/27 17:41:41.128377, 10] smbd/vfs.c:968(check_reduced_name)
check_reduced_name realpath [home/foo/open/test.cfg] -
[/home/foo/open/test.cfg]
[2011/09/27 17:41:41.128386, 3] smbd/vfs.c:1038(check_reduced_name)
check_reduced_name: home/foo/open/test.cfg reduced to /home/foo/open/test.cfg
[2011/09/27 17:41:41.128394, 10] smbd/open.c:2941(create_file_unixpath)
create_file_unixpath: access_mask = 0x6019f file_attributes = 0x20,
share_access = 0x0, create_disposition = 0x2 create_options = 0x44 oplock
_request
Re: [Samba] oplocks issue when trying to copy file
I've narrowed this problem down to a patch that is applied in 2.6.36.3. I
replaced file.c from 2.6.36.2 into 2.6.36.3 and Samba works fine. The problem
is I'm not sure if Samba needs to be fixed or the kernel needs to be. Anyone
know what the right action is? One thing I noticed was the invalid argument
being sent in the debugging log.
linux_set_kernel_oplock: Refused oplock on file home/foo/open/test.cfg, fd =
33, file_id = 17:aa41ab:0. (Invalid argument)
Any advice would help.
Thanks,
Phil
The commit 129a84de2347002f09721cda3155ccfd19fade40 (locks: fix F_GETLK
regression (failure to find conflicts)) fixed the posix_test_lock()
function by itself, however, its usage in NFS changed by the commit
9d6a8c5c213e34c475e72b245a8eb709258e968c (locks: give posix_test_lock
same interface as -lock) remained broken - subsequent NFS-specific
locking code received F_UNLCK instead of the user-specified lock type.
To fix the problem, fl-fl_type needs to be saved before the
posix_test_lock() call and restored if no local conflicts were reported.
Reference: https://bugzilla.kernel.org/show_bug.cgi?id=23892
Tested-by: Alexander Morozov amorozov@xxx
Signed-off-by: Sergey Vlasov vsu@xxx
Signed-off-by: Trond Myklebust Trond.Myklebust@xx
Signed-off-by: Greg Kroah-Hartman gregkh@xxx
Signed-off-by: Andi Kleen ak@xxx
---
fs/nfs/file.c | 2 ++
1 file changed, 2 insertions(+)
Index: linux-2.6.35.y/fs/nfs/file.c
===
--- linux-2.6.35.y.orig/fs/nfs/file.c
+++ linux-2.6.35.y/fs/nfs/file.c
@@ -696,6 +696,7 @@ static int do_getlk(struct file *filp, i
{
struct inode *inode = filp-f_mapping-host;
int status = 0;
+ unsigned int saved_type = fl-fl_type;
/* Try local locking first */
posix_test_lock(filp, fl);
@@ -703,6 +704,7 @@ static int do_getlk(struct file *filp, i
/* found a conflict */
goto out;
}
+ fl-fl_type = saved_type;
if (nfs_have_delegation(inode, FMODE_READ))
goto out_noconflict;
--
-Original Message-
From: Philip Ong
Sent: Tuesday, September 27, 2011 10:41 PM
To: samba@lists.samba.org
Cc: Philip Ong
Subject: oplocks issue when trying to copy file
I'm not sure if this a Kernel/samba or NFS issue. We run this on Centos 5.6
using a kernel.org kernel.
Please find below the problem description
When trying to copy a file to a samba share which has NFS backend on 2.6.36.3
or newer Linux kernel following message is displayed on windows client
An unexpected error is keeping you from copying the file. If you continue to
receive this error, you can use the error code to search for help with this
problem.
Error 0x80070021: The process cannot access the file because another process
has locked a portion of the file
I am able to delete a file within the same directory structure. I am also able
to create a file or folder by right-clicking within Windows Explorer on XP.
Below are the logs generated by samba in debug mode. The main line of interest
was:
linux_set_kernel_oplock: Refused oplock on file home/foo/open/test.cfg, fd =
33, file_id = 17:aa41ab:0. (Invalid argument)
Please note test.cfg was the file which we were trying to copy from windows
check_reduced_name [home/foo/open/test.cfg] [/]
[2011/09/27 17:41:41.128330, 10] smbd/vfs.c:968(check_reduced_name)
check_reduced_name realpath [home/foo/open/test.cfg] -
[/home/foo/open/test.cfg]
[2011/09/27 17:41:41.128339, 3] smbd/vfs.c:1038(check_reduced_name)
check_reduced_name: home/foo/open/test.cfg reduced to /home/foo/open/test.cfg
[2011/09/27 17:41:41.128348, 10] smbd/open.c:3414(create_file_default)
create_file: access_mask = 0x6019f file_attributes = 0x20, share_access =
0x0, create_disposition = 0x2 create_options = 0x44 oplock_request
= 0x3 root_dir_fid = 0x0, ea_list = 0x(nil), sd = 0x(nil), fname =
home/foo/open/test.cfg
[2011/09/27 17:41:41.128359, 3] smbd/vfs.c:881(check_reduced_name)
check_reduced_name [home/foo/open/test.cfg] [/]
[2011/09/27 17:41:41.128377, 10] smbd/vfs.c:968(check_reduced_name)
check_reduced_name realpath [home/foo/open/test.cfg] -
[/home/foo/open/test.cfg]
[2011/09/27 17:41:41.128386, 3] smbd/vfs.c:1038(check_reduced_name)
check_reduced_name: home/foo/open/test.cfg reduced to /home/foo/open/test.cfg
[2011/09/27 17:41:41.128394, 10] smbd/open.c:2941(create_file_unixpath)
create_file_unixpath: access_mask = 0x6019f file_attributes = 0x20,
share_access = 0x0, create_disposition = 0x2 create_options = 0x44 oplock
_request = 0x3 ea_list = 0x(nil), sd = 0x(nil), fname = home/foo/open/test.cfg
[2011/09/27 17:41:41.128406, 5] smbd/files.c:119(file_new)
allocated file structure 14342, fnum = 18438 (4 used)
[2011/09/27 17:41:41.128416, 3] smbd/dosmode.c:166(unix_mode)
unix_mode(home/foo/open/test.cfg) returning 0744
[2011/09/27 17:41:41.128424, 10] smbd/open.c:1556(open_file_ntcreate)
open_file_ntcreate: fname=home/foo/open/test.cfg, dos_attrs=0x20
access_mask=0x6019f
Re: [Samba] oplocks issue when trying to copy file
Kernel tried on Centos 4.5 was 2.6.38.8 -Original Message- From: Philip Ong Sent: Wednesday, September 28, 2011 3:44 PM To: Philip Ong; 'samba@lists.samba.org' Subject: RE: oplocks issue when trying to copy file I also tried this on Centos 4.5 and it has the same results so it is probably not distro related. -Original Message- From: Philip Ong Sent: Tuesday, September 27, 2011 10:41 PM To: samba@lists.samba.org Cc: Philip Ong Subject: oplocks issue when trying to copy file I'm not sure if this a Kernel/samba or NFS issue. We run this on Centos 5.6 using a kernel.org kernel. Please find below the problem description When trying to copy a file to a samba share which has NFS backend on 2.6.36.3 or newer Linux kernel following message is displayed on windows client An unexpected error is keeping you from copying the file. If you continue to receive this error, you can use the error code to search for help with this problem. Error 0x80070021: The process cannot access the file because another process has locked a portion of the file I am able to delete a file within the same directory structure. I am also able to create a file or folder by right-clicking within Windows Explorer on XP. Below are the logs generated by samba in debug mode. The main line of interest was: linux_set_kernel_oplock: Refused oplock on file home/foo/open/test.cfg, fd = 33, file_id = 17:aa41ab:0. (Invalid argument) Please note test.cfg was the file which we were trying to copy from windows check_reduced_name [home/foo/open/test.cfg] [/] [2011/09/27 17:41:41.128330, 10] smbd/vfs.c:968(check_reduced_name) check_reduced_name realpath [home/foo/open/test.cfg] - [/home/foo/open/test.cfg] [2011/09/27 17:41:41.128339, 3] smbd/vfs.c:1038(check_reduced_name) check_reduced_name: home/foo/open/test.cfg reduced to /home/foo/open/test.cfg [2011/09/27 17:41:41.128348, 10] smbd/open.c:3414(create_file_default) create_file: access_mask = 0x6019f file_attributes = 0x20, share_access = 0x0, create_disposition = 0x2 create_options = 0x44 oplock_request = 0x3 root_dir_fid = 0x0, ea_list = 0x(nil), sd = 0x(nil), fname = home/foo/open/test.cfg [2011/09/27 17:41:41.128359, 3] smbd/vfs.c:881(check_reduced_name) check_reduced_name [home/foo/open/test.cfg] [/] [2011/09/27 17:41:41.128377, 10] smbd/vfs.c:968(check_reduced_name) check_reduced_name realpath [home/foo/open/test.cfg] - [/home/foo/open/test.cfg] [2011/09/27 17:41:41.128386, 3] smbd/vfs.c:1038(check_reduced_name) check_reduced_name: home/foo/open/test.cfg reduced to /home/foo/open/test.cfg [2011/09/27 17:41:41.128394, 10] smbd/open.c:2941(create_file_unixpath) create_file_unixpath: access_mask = 0x6019f file_attributes = 0x20, share_access = 0x0, create_disposition = 0x2 create_options = 0x44 oplock _request = 0x3 ea_list = 0x(nil), sd = 0x(nil), fname = home/foo/open/test.cfg [2011/09/27 17:41:41.128406, 5] smbd/files.c:119(file_new) allocated file structure 14342, fnum = 18438 (4 used) [2011/09/27 17:41:41.128416, 3] smbd/dosmode.c:166(unix_mode) unix_mode(home/foo/open/test.cfg) returning 0744 [2011/09/27 17:41:41.128424, 10] smbd/open.c:1556(open_file_ntcreate) open_file_ntcreate: fname=home/foo/open/test.cfg, dos_attrs=0x20 access_mask=0x6019f share_access=0x0 create_disposition = 0x2 create_options =0x44 unix mode=0744 oplock_request=3 [2011/09/27 17:41:41.128434, 3] smbd/vfs.c:881(check_reduced_name) check_reduced_name [home/foo/open/test.cfg] [/] [2011/09/27 17:41:41.128462, 10] smbd/vfs.c:968(check_reduced_name) check_reduced_name realpath [home/foo/open/test.cfg] - [/home/foo/open/test.cfg] [2011/09/27 17:41:41.128471, 3] smbd/vfs.c:1038(check_reduced_name) check_reduced_name: home/foo/open/test.cfg reduced to /home/foo/open/test.cfg [2011/09/27 17:41:41.128480, 10] smbd/open.c:1738(open_file_ntcreate) open_file_ntcreate: fname=home/foo/open/test.cfg, after mapping access_mask=0x6019f [2011/09/27 17:41:41.128489, 4] smbd/open.c:2000(open_file_ntcreate) calling open_file with flags=0x2 flags2=0xC0 mode=0744, access_mask = 0x6019f, open_access_mask = 0x6019f [2011/09/27 17:41:41.132844, 10] smbd/open.c:180(fd_open) fd_open: name home/foo/open/test.cfg, flags = 0302 mode = 0744, fd = 33. [2011/09/27 17:41:41.132887, 10] smbd/notify_internal.c:890(notify_trigger) notify_trigger called action=0x1, filter=0x1, path=//home/foo/open/test.cfg [2011/09/27 17:41:41.132897, 2] smbd/open.c:657(open_file) jneil opened file home/foo/open/test.cfg read=Yes write=Yes (numopen=4) [2011/09/27 17:41:41.132909, 10] lib/dbwrap_tdb.c:100(db_tdb_fetch_locked) Locking key 1700AB41 [2011/09/27 17:41:41.132919, 10] lib/dbwrap_tdb.c:129(db_tdb_fetch_locked) Allocated locked data 0x0x782393a0 [2011/09/27 17:41:41.132938, 10] smbd/open.c:1057(delay_for_oplocks) delay_for_oplocks: oplock type 0x3 on file home/foo/open/test.cfg [2011/09/27 17:41:41.132947, 10] smbd/open.c:1057(delay_for_oplocks)
Re: [Samba] oplocks issue when trying to copy file
I also tried this on Centos 4.5 and it has the same results so it is probably not distro related. -Original Message- From: Philip Ong Sent: Tuesday, September 27, 2011 10:41 PM To: samba@lists.samba.org Cc: Philip Ong Subject: oplocks issue when trying to copy file I'm not sure if this a Kernel/samba or NFS issue. We run this on Centos 5.6 using a kernel.org kernel. Please find below the problem description When trying to copy a file to a samba share which has NFS backend on 2.6.36.3 or newer Linux kernel following message is displayed on windows client An unexpected error is keeping you from copying the file. If you continue to receive this error, you can use the error code to search for help with this problem. Error 0x80070021: The process cannot access the file because another process has locked a portion of the file I am able to delete a file within the same directory structure. I am also able to create a file or folder by right-clicking within Windows Explorer on XP. Below are the logs generated by samba in debug mode. The main line of interest was: linux_set_kernel_oplock: Refused oplock on file home/foo/open/test.cfg, fd = 33, file_id = 17:aa41ab:0. (Invalid argument) Please note test.cfg was the file which we were trying to copy from windows check_reduced_name [home/foo/open/test.cfg] [/] [2011/09/27 17:41:41.128330, 10] smbd/vfs.c:968(check_reduced_name) check_reduced_name realpath [home/foo/open/test.cfg] - [/home/foo/open/test.cfg] [2011/09/27 17:41:41.128339, 3] smbd/vfs.c:1038(check_reduced_name) check_reduced_name: home/foo/open/test.cfg reduced to /home/foo/open/test.cfg [2011/09/27 17:41:41.128348, 10] smbd/open.c:3414(create_file_default) create_file: access_mask = 0x6019f file_attributes = 0x20, share_access = 0x0, create_disposition = 0x2 create_options = 0x44 oplock_request = 0x3 root_dir_fid = 0x0, ea_list = 0x(nil), sd = 0x(nil), fname = home/foo/open/test.cfg [2011/09/27 17:41:41.128359, 3] smbd/vfs.c:881(check_reduced_name) check_reduced_name [home/foo/open/test.cfg] [/] [2011/09/27 17:41:41.128377, 10] smbd/vfs.c:968(check_reduced_name) check_reduced_name realpath [home/foo/open/test.cfg] - [/home/foo/open/test.cfg] [2011/09/27 17:41:41.128386, 3] smbd/vfs.c:1038(check_reduced_name) check_reduced_name: home/foo/open/test.cfg reduced to /home/foo/open/test.cfg [2011/09/27 17:41:41.128394, 10] smbd/open.c:2941(create_file_unixpath) create_file_unixpath: access_mask = 0x6019f file_attributes = 0x20, share_access = 0x0, create_disposition = 0x2 create_options = 0x44 oplock _request = 0x3 ea_list = 0x(nil), sd = 0x(nil), fname = home/foo/open/test.cfg [2011/09/27 17:41:41.128406, 5] smbd/files.c:119(file_new) allocated file structure 14342, fnum = 18438 (4 used) [2011/09/27 17:41:41.128416, 3] smbd/dosmode.c:166(unix_mode) unix_mode(home/foo/open/test.cfg) returning 0744 [2011/09/27 17:41:41.128424, 10] smbd/open.c:1556(open_file_ntcreate) open_file_ntcreate: fname=home/foo/open/test.cfg, dos_attrs=0x20 access_mask=0x6019f share_access=0x0 create_disposition = 0x2 create_options =0x44 unix mode=0744 oplock_request=3 [2011/09/27 17:41:41.128434, 3] smbd/vfs.c:881(check_reduced_name) check_reduced_name [home/foo/open/test.cfg] [/] [2011/09/27 17:41:41.128462, 10] smbd/vfs.c:968(check_reduced_name) check_reduced_name realpath [home/foo/open/test.cfg] - [/home/foo/open/test.cfg] [2011/09/27 17:41:41.128471, 3] smbd/vfs.c:1038(check_reduced_name) check_reduced_name: home/foo/open/test.cfg reduced to /home/foo/open/test.cfg [2011/09/27 17:41:41.128480, 10] smbd/open.c:1738(open_file_ntcreate) open_file_ntcreate: fname=home/foo/open/test.cfg, after mapping access_mask=0x6019f [2011/09/27 17:41:41.128489, 4] smbd/open.c:2000(open_file_ntcreate) calling open_file with flags=0x2 flags2=0xC0 mode=0744, access_mask = 0x6019f, open_access_mask = 0x6019f [2011/09/27 17:41:41.132844, 10] smbd/open.c:180(fd_open) fd_open: name home/foo/open/test.cfg, flags = 0302 mode = 0744, fd = 33. [2011/09/27 17:41:41.132887, 10] smbd/notify_internal.c:890(notify_trigger) notify_trigger called action=0x1, filter=0x1, path=//home/foo/open/test.cfg [2011/09/27 17:41:41.132897, 2] smbd/open.c:657(open_file) jneil opened file home/foo/open/test.cfg read=Yes write=Yes (numopen=4) [2011/09/27 17:41:41.132909, 10] lib/dbwrap_tdb.c:100(db_tdb_fetch_locked) Locking key 1700AB41 [2011/09/27 17:41:41.132919, 10] lib/dbwrap_tdb.c:129(db_tdb_fetch_locked) Allocated locked data 0x0x782393a0 [2011/09/27 17:41:41.132938, 10] smbd/open.c:1057(delay_for_oplocks) delay_for_oplocks: oplock type 0x3 on file home/foo/open/test.cfg [2011/09/27 17:41:41.132947, 10] smbd/open.c:1057(delay_for_oplocks) delay_for_oplocks: oplock type 0x3 on file home/foo/open/test.cfg [2011/09/27 17:41:41.267573, 3] smbd/oplock_linux.c:120(linux_set_kernel_oplock) linux_set_kernel_oplock: Refused oplock on file home/foo/open/test.cfg, fd =
