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153322f753
linux/fs/cifs
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Steve French 153322f753 smb3: Fix enumerating snapshots to Azure 
Some servers (see MS-SMB2 protocol specification
section 3.3.5.15.1) expect that the FSCTL enumerate snapshots
is done twice, with the first query having EXACTLY the minimum
size response buffer requested (16 bytes) which refreshes
the snapshot list (otherwise that and subsequent queries get
an empty list returned).  So had to add code to set
the maximum response size differently for the first snapshot
query (which gets the size needed for the second query which
contains the actual list of snapshots).

Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
CC: Stable <stable@vger.kernel.org> # 4.19+
2019-04-01 14:33:34 -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: display volume serial number for shares in /proc/fs/cifs/DebugData 2019-03-14 19:32:35 -05:00
cifs_debug.h cifs: minor clarification in comments 2018-10-23 21:16:05 -05:00
cifs_dfs_ref.c cifs: use correct format characters 2019-03-05 18:10:28 -06:00
cifs_fs_sb.h smb3: make default i/o size for smb3 mounts larger 2019-03-04 20:05:35 -06:00
cifs_ioctl.h SMB3: passthru query info doesn't check for SMB3 FSCTL passthru 2019-03-14 19:32:36 -05:00
cifs_spnego.c smb3: on kerberos mount if server doesn't specify auth type use krb5 2018-11-02 14:09:41 -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: remove coverity warning in calc_lanman_hash 2018-12-23 22:41:26 -06:00
cifsfs.c cifs: fix that return -EINVAL when do dedupe operation 2019-03-22 22:36:54 -05:00
cifsfs.h cifs: update internal module version number 2019-03-22 22:43:04 -05:00
cifsglob.h CIFS: make mknod() an smb_version_op 2019-03-14 19:32:36 -05:00
cifspdu.h smb3: missing defines and structs for reparse point handling 2018-11-02 14:09:41 -05:00
cifsproto.h CIFS: Return error code when getting file handle for writeback 2019-03-05 18:10:04 -06:00
cifssmb.c CIFS: Return error code when getting file handle for writeback 2019-03-05 18:10:04 -06:00
connect.c cifs: remove unused value pointed out by Coverity 2019-03-14 19:32:36 -05:00
dfs_cache.c cifs: Fix a tiny potential memory leak 2019-01-10 14:32:30 -06:00
dfs_cache.h cifs: Add DFS cache routines 2018-12-28 10:05:58 -06:00
dir.c CIFS: make mknod() an smb_version_op 2019-03-14 19:32:36 -05:00
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 an issue with re-sending rdata when transport returning -EAGAIN 2019-03-22 22:36:54 -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 smb3: make default i/o size for smb3 mounts larger 2019-03-04 20:05:35 -06:00
ioctl.c cifs: add support for ioctl on directories 2018-10-23 21:16:05 -05:00
Kconfig fs: cifs: Kconfig: pedantic formatting 2019-03-06 21:55:12 -06:00
link.c cifs: replace snprintf with scnprintf 2019-03-04 20:05:34 -06:00
Makefile cifs: Add DFS cache routines 2018-12-28 10:05:58 -06:00
misc.c cifs: Add support for failover in smb2_reconnect() 2018-12-28 10:13:11 -06:00
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: check ntwrk_buf_start for NULL before dereferencing it 2018-12-23 22:41:31 -06:00
rfc1002pdu.h
sess.c cifs: remove set but not used variable 'smb_buf' 2018-12-23 22:41:20 -06:00
smb1ops.c CIFS: make mknod() an smb_version_op 2019-03-14 19:32:36 -05:00
smb2file.c smb3: Fix enumerating snapshots to Azure 2019-04-01 14:33:34 -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: Add dynamic trace points for various compounded smb3 ops 2019-03-14 19:32:35 -05:00
smb2maperror.c fix incorrect error code mapping for OBJECTID_NOT_FOUND 2019-03-22 22:36:54 -05:00
smb2misc.c CIFS: Do not reset lease state to NONE on lease break 2019-03-04 20:05:35 -06:00
smb2ops.c smb3: Fix enumerating snapshots to Azure 2019-04-01 14:33:34 -05:00
smb2pdu.c smb3: Fix enumerating snapshots to Azure 2019-04-01 14:33:34 -05:00
smb2pdu.h cifs: fix smb3_zero_range so it can expand the file-size when required 2019-03-14 19:32:35 -05:00
smb2proto.h smb3: Fix enumerating snapshots to Azure 2019-04-01 14:33:34 -05:00
smb2status.h smb2: fix typo in definition of a few error flags 2019-03-14 19:32:36 -05:00
smb2transport.c CIFS: Only send SMB2_NEGOTIATE command on new TCP connections 2019-03-05 18:14:27 -06:00
smbdirect.c cifs: replace snprintf with scnprintf 2019-03-04 20:05:34 -06:00
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: Cleanup license mess 2019-01-24 09:37:33 -06:00
trace.h cifs: Fix slab-out-of-bounds when tracing SMB tcon 2019-03-22 22:36:54 -05:00
transport.c cifs: simplify how we handle credits in compound_send_recv() 2019-03-14 19:32:35 -05:00
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