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Steve French f8af49dd17 smb3: add trace point for tree connection 
In debugging certain scenarios, especially reconnect cases,
it can be helpful to have a dynamic trace point for the
result of tree connect.  See sample output below
from a reconnect event. The new event is 'smb3_tcon'

            TASK-PID   CPU#  ||||    TIMESTAMP  FUNCTION
               | |       |   ||||       |         |
           cifsd-6071  [001] ....  2659.897923: smb3_reconnect: server=localhost current_mid=0xa
     kworker/1:1-71    [001] ....  2666.026342: smb3_cmd_done: 	sid=0x0 tid=0x0 cmd=0 mid=0
     kworker/1:1-71    [001] ....  2666.026576: smb3_cmd_err: 	sid=0xc49e1787 tid=0x0 cmd=1 mid=1 status=0xc0000016 rc=-5
     kworker/1:1-71    [001] ....  2666.031677: smb3_cmd_done: 	sid=0xc49e1787 tid=0x0 cmd=1 mid=2
     kworker/1:1-71    [001] ....  2666.031921: smb3_cmd_done: 	sid=0xc49e1787 tid=0x6e78f05f cmd=3 mid=3
     kworker/1:1-71    [001] ....  2666.031923: smb3_tcon: xid=0 sid=0xc49e1787 tid=0x0 unc_name=\\localhost\test rc=0
     kworker/1:1-71    [001] ....  2666.032097: smb3_cmd_done: 	sid=0xc49e1787 tid=0x6e78f05f cmd=11 mid=4
     kworker/1:1-71    [001] ....  2666.032265: smb3_cmd_done: 	sid=0xc49e1787 tid=0x7912332f cmd=3 mid=5
     kworker/1:1-71    [001] ....  2666.032266: smb3_tcon: xid=0 sid=0xc49e1787 tid=0x0 unc_name=\\localhost\IPC$ rc=0
     kworker/1:1-71    [001] ....  2666.032386: smb3_cmd_done: 	sid=0xc49e1787 tid=0x7912332f cmd=11 mid=6

Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
2018-11-02 14:09:41 -05:00
..
asn1.c treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
cache.c cifs: use 64-bit timestamps for fscache 2018-08-07 14:15:41 -05:00
cifs_debug.c smb3 - clean up debug output displaying network interfaces 2018-10-23 21:16:06 -05:00
cifs_debug.h cifs: minor clarification in comments 2018-10-23 21:16:05 -05:00
cifs_dfs_ref.c CIFS: make 'nodfs' mount opt a superblock flag 2018-10-23 21:16:05 -05:00
cifs_fs_sb.h CIFS: make 'nodfs' mount opt a superblock flag 2018-10-23 21:16:05 -05:00
cifs_ioctl.h cifs: add IOCTL for QUERY_INFO passthrough to userspace 2018-10-23 21:16:05 -05:00
cifs_spnego.c cifs: Create dedicated keyring for spnego operations 2016-05-19 21:56:30 -05:00
cifs_spnego.h
cifs_unicode.c fs/cifs: don't translate SFM_SLASH (U+F026) to backslash 2018-09-02 23:21:42 -05:00
cifs_unicode.h [SMB3] Remove ifdef since SMB3 (and later) now STRONGLY preferred 2017-07-08 18:57:07 -05:00
cifs_uniupr.h
cifsacl.c treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
cifsacl.h cifs: For SMB2 security informaion query, check for minimum sized security descriptor instead of sizeof FileAllInformation class 2018-06-04 19:19:24 -05:00
cifsencrypt.c cifs: Make sure all data pages are signed correctly 2018-08-07 14:15:41 -05:00
cifsfs.c vfs: rework data cloning infrastructure 2018-11-02 09:33:08 -07:00
cifsfs.h cifs: update internal module version number for cifs.ko to 2.14 2018-10-24 07:22:02 -05:00
cifsglob.h smb3: show number of current open files in /proc/fs/cifs/Stats 2018-10-23 21:16:06 -05:00
cifspdu.h CIFS: move DFS response parsing out of SMB1 code 2017-03-01 22:26:10 -06:00
cifsproto.h cifs: OFD locks do not conflict with eachothers 2018-10-23 21:16:05 -05:00
cifssmb.c CIFS: pass page offsets on SMB1 read/write 2018-10-23 21:16:05 -05:00
connect.c Merge branch 'work.afs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2018-11-01 19:58:52 -07:00
dir.c get rid of 'opened' argument of ->atomic_open() - part 3 2018-07-12 10:04:20 -04:00
dns_resolve.c cifs: fix composing of mount options for DFS referrals 2013-05-24 13:08:31 -05:00
dns_resolve.h
export.c [CIFS] cifs: Rename cERROR and cFYI to cifs_dbg 2013-05-04 22:17:23 -05:00
file.c cifs: fix spelling mistake, EACCESS -> EACCES 2018-11-02 14:09:41 -05:00
fscache.c cifs: use 64-bit timestamps for fscache 2018-08-07 14:15:41 -05:00
fscache.h cifs: use 64-bit timestamps for fscache 2018-08-07 14:15:41 -05:00
inode.c cifs: fix spelling mistake, EACCESS -> EACCES 2018-11-02 14:09:41 -05:00
ioctl.c cifs: add support for ioctl on directories 2018-10-23 21:16:05 -05:00
Kconfig fs/cifs: require sha512 2018-09-09 00:04:27 -05:00
link.c smb3: don't request leases in symlink creation and query 2018-08-07 14:15:57 -05:00
Makefile smb3: Add ftrace tracepoints for improved SMB3 debugging 2018-05-27 17:56:35 -05:00
misc.c Merge branch 'work.afs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2018-11-01 19:58:52 -07:00
netmisc.c cifs: use timespec64 internally 2018-08-07 14:15:41 -05:00
nterr.c
nterr.h
ntlmssp.h cifs: dynamic allocation of ntlmssp blob 2016-06-23 23:45:07 -05:00
readdir.c cifs: prevent integer overflow in nxt_dir_entry() 2018-09-12 09:27:57 -05:00
rfc1002pdu.h
sess.c cifs: check kmalloc before use 2018-08-23 15:10:49 -05:00
smb1ops.c cifs: simple stats should always be enabled 2018-08-07 14:20:22 -05:00
smb2file.c cifs: Fix stack out-of-bounds in smb{2,3}_create_lease_buf() 2018-07-05 13:48:25 -05:00
smb2glob.h cifs: change SMB2_OP_RENAME and SMB2_OP_HARDLINK to use compounding 2018-10-23 21:16:04 -05:00
smb2inode.c smb3: send backup intent on compounded query info 2018-10-23 21:16:05 -05:00
smb2maperror.c smb3: do not display confusing message on mount to Azure servers 2018-10-23 21:16:03 -05:00
smb2misc.c smb3: minor debugging clarifications in rfc1001 len processing 2018-09-02 23:21:42 -05:00
smb2ops.c cifs: fix return value for cifs_listxattr 2018-11-02 14:09:41 -05:00
smb2pdu.c smb3: add trace point for tree connection 2018-11-02 14:09:41 -05:00
smb2pdu.h smb3: minor missing defines relating to reparse points 2018-10-23 21:16:04 -05:00
smb2proto.h cifs: add IOCTL for QUERY_INFO passthrough to userspace 2018-10-23 21:16:05 -05:00
smb2status.h
smb2transport.c CIFS: fix uninitialized ptr deref in smb2 signing 2018-08-07 14:30:59 -05:00
smbdirect.c Merge branch 'work.afs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2018-11-01 19:58:52 -07:00
smbdirect.h cifs: fix SMB1 breakage 2018-07-05 13:48:24 -05:00
smbencrypt.c CIFS: refactor crypto shash/sdesc allocation&free 2018-04-01 20:24:39 -05:00
smberr.h
smbfsctl.h [SMB3] Send durable handle v2 contexts when use of persistent handles required 2015-11-03 09:26:27 -06:00
trace.c smb3: Add ftrace tracepoints for improved SMB3 debugging 2018-05-27 17:56:35 -05:00
trace.h smb3: add trace point for tree connection 2018-11-02 14:09:41 -05:00
transport.c Merge branch 'work.afs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2018-11-01 19:58:52 -07:00
winucase.c [CIFS] quiet sparse compile warning 2013-09-08 14:54:24 -05:00
xattr.c smb3: create smb3 equivalent alias for cifs pseudo-xattrs 2018-08-10 18:46:58 -05:00