[lustre-discuss] kernel 5.10 on RHEL8 and lustre-client kind of working
Hi,
I compiled the master from today (commit
0b7ddf32e336b06d459880faf9831db43ffae9cf) on 5.10.34 kernel with mpi
support (RHEL8.3 otherwise), and it seems to work properly for me. I
needed to do the following changes, while cross-checking LU-14195
diff --git a/lnet/lnet/lib-socket.c b/lnet/lnet/lib-socket.c
index 4a86114ecf..1412d9deb0 100644
--- a/lnet/lnet/lib-socket.c
+++ b/lnet/lnet/lib-socket.c
@@ -343,9 +343,10 @@ struct socket *
lnet_sock_listen(int local_port, int backlog, struct net *ns)
{
struct socket *sock;
- mm_segment_t oldfs;
+ //mm_segment_t oldfs;
int val = 0;
int rc;
+ sockptr_t sval;
sock = lnet_sock_create(-1, NULL, local_port, ns);
if (IS_ERR(sock)) {
@@ -360,11 +361,13 @@ lnet_sock_listen(int local_port, int backlog,
struct net *ns)
* This is the default, but it can be overridden so
* we force it back.
*/
- oldfs = get_fs();
- set_fs(KERNEL_DS);
+ //oldfs = get_fs();
+ //set_fs(KERNEL_DS);
+ //sock->ops->setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY,
+ // (char __user __force *) , sizeof(val));
sock->ops->setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY,
- (char __user __force *) , sizeof(val));
- set_fs(oldfs);
+ sval, sizeof(val));
+ //set_fs(oldfs);
rc = kernel_listen(sock, backlog);
if (rc == 0)
With this version, the client works quite fine over o2ib (Mellanox
drivers) with DDN Lustre servers 2.12.6, tested with several writes,
unpacking and compiling kernel in lustre etc...
Can somebody please tell if the fixes above are correct, or if there is
any danger in using the master for clients in production?
Best regards,
Andrej
--
_
prof. dr. Andrej Filipcic, E-mail: andrej.filip...@ijs.si
Department of Experimental High Energy Physics - F9
Jozef Stefan Institute, Jamova 39, P.o.Box 3000
SI-1001 Ljubljana, Slovenia
Tel.: +386-1-477-3674Fax: +386-1-425-7074
-
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[Lustre-discuss] inconsistent client behavior when creating an empty directory
Hi,
the following code does not work as expected:
-
#include sys/stat.h
#include errno.h
#include stdio.h
int main(int argc, char** argv) {
int rc;
rc=mkdir(argv[1],S_IRWXU);
if(rc) perror(failed create dir);
chown(argv[1],4103,4100);
struct stat buf;
/* stat(argv[1],buf); */
setresuid(0,4103,4100);
rc=mkdir(argv[1],S_IRWXU);
if(rc) perror(failed create dir as user);
}
-
initial status:
# ls -ld /lustre/test
drwxr-xr-x 2 root root 4096 Aug 9 14:59 /lustre/test
# ls -l /lustre/test
total 0
1) running the test program:
# /tmp/test /lustre/test/testdir
failed create dir as user: Permission denied
# ls -l /lustre/test
total 4
drwx-- 2 griduser03 grid 4096 Aug 9 15:02 testdir
griduser03, grid correspond to uid=4103,gid=4100
2) running the test program, but with uncommented stat call:
# /tmp/test /lustre/test/testdir
failed create dir as user: File exists
# ls -l /lustre/test
total 4
drwx-- 2 griduser03 grid 4096 Aug 9 15:04 testdir
The code first makes the testdir as root and changes the ownership to uid 4103.
Then it tries to (re)create the same dir with the user privileges.
If stat is called, the code behaves as expected (case 2), but if not (case
1), the second mkdir should return EEXIST and not EACCES. Is this behavior
expected or is it a client bug? The client runs lustre 1.8.6.
The code just illustrates, what is actually used in a complex software.
Andrej
--
_
prof. dr. Andrej Filipcic, E-mail: andrej.filip...@ijs.si
Department of Experimental High Energy Physics - F9
Jozef Stefan Institute, Jamova 39, P.o.Box 3000
SI-1001 Ljubljana, Slovenia
Tel.: +386-1-477-3674Fax: +386-1-477-3166
-
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Re: [Lustre-discuss] Lustre kernel port to Gentoo (or patchless Gentoo clients)
On Friday 12 March 2010 16:07:23 Bradley Voogel wrote: Greetings, I was wondering if anyone has had success working with Lustre on Gentoo from either a MDS, OSS or patchless client perspective. patchless client works fine with 2.6.30-gentoo-r6 (1k core cluster) Cheers, Andrej I'll take my answer off the air Thanks -Brad Brad Voogel Data Center and Storage US Direct: +01 203 926 3166 Mobile: +01 203 747 9309 2 Corporate Dr Shelton CT, 06484 USA bradley.voo...@nasdaqomx.commailto:bradley.voo...@nasdaqomx.com www.nasdaqomx.comhttp://www.nasdaqomx.com -- _ prof. dr. Andrej Filipcic, E-mail: andrej.filip...@ijs.si Department of Experimental High Energy Physics - F9 Jozef Stefan Institute, Jamova 39, P.o.Box 3000 SI-1001 Ljubljana, Slovenia Tel.: +386-1-477-3674Fax: +386-1-477-3166 - ___ Lustre-discuss mailing list Lustre-discuss@lists.lustre.org http://lists.lustre.org/mailman/listinfo/lustre-discuss
