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5 smb3client fixes: two deferred close fixes (for bugs found with xfstests 478 and 461) and a deferred close improvement in rename, and two trivial fixes for incorrect Linux comment formatting pointed out by automated tools

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Merge tag '5.15-rc1-smb3' of git://git.samba.org/sfrench/cifs-2.6

Pull cifs client fixes from Steve French:

 - two deferred close fixes (for bugs found with xfstests 478 and 461)

 - a deferred close improvement in rename

 - two trivial fixes for incorrect Linux comment formatting of multiple
   cifs files (pointed out by automated kernel test robot and
   checkpatch)

* tag '5.15-rc1-smb3' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: Not to defer close on file when lock is set
  cifs: Fix soft lockup during fsstress
  cifs: Deferred close performance improvements
  cifs: fix incorrect kernel doc comments
  cifs: remove pathname for file from SPDX header
This commit is contained in:
Linus Torvalds 2021-09-20 15:30:29 -07:00
commit fdf5078458
48 changed files with 67 additions and 57 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
fs/cifs/cache.c
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@ -1,6 +1,6 @@
// SPDX-License-Identifier: LGPL-2.1
/*
* fs/cifs/cache.c - CIFS filesystem cache index structure definitions
* CIFS filesystem cache index structure definitions
*
* Copyright (c) 2010 Novell, Inc.
* Authors(s): Suresh Jayaraman (sjayaraman@suse.de>

1
fs/cifs/cifs_debug.c
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@ -1,6 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* fs/cifs_debug.c
*
* Copyright (C) International Business Machines Corp., 2000,2005
*

1
fs/cifs/cifs_fs_sb.h
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@ -1,6 +1,5 @@
/* SPDX-License-Identifier: LGPL-2.1 */
/*
* fs/cifs/cifs_fs_sb.h
*
* Copyright (c) International Business Machines Corp., 2002,2004
* Author(s): Steve French (sfrench@us.ibm.com)

1
fs/cifs/cifs_ioctl.h
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@ -1,6 +1,5 @@
/* SPDX-License-Identifier: LGPL-2.1 */
/*
* fs/cifs/cifs_ioctl.h
*
* Structure definitions for io control for cifs/smb3
*

2
fs/cifs/cifs_spnego.c
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@ -1,6 +1,6 @@
// SPDX-License-Identifier: LGPL-2.1
/*
* fs/cifs/cifs_spnego.c -- SPNEGO upcall management for CIFS
* SPNEGO upcall management for CIFS
*
* Copyright (c) 2007 Red Hat, Inc.
* Author(s): Jeff Layton (jlayton@redhat.com)

2
fs/cifs/cifs_spnego.h
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@ -1,6 +1,6 @@
/* SPDX-License-Identifier: LGPL-2.1 */
/*
* fs/cifs/cifs_spnego.h -- SPNEGO upcall management for CIFS
* SPNEGO upcall management for CIFS
*
* Copyright (c) 2007 Red Hat, Inc.
* Author(s): Jeff Layton (jlayton@redhat.com)

1
fs/cifs/cifs_unicode.c
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@ -1,6 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* fs/cifs/cifs_unicode.c
*
* Copyright (c) International Business Machines Corp., 2000,2009
* Modified by Steve French (sfrench@us.ibm.com)

1
fs/cifs/cifsacl.c
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@ -1,6 +1,5 @@
// SPDX-License-Identifier: LGPL-2.1
/*
* fs/cifs/cifsacl.c
*
* Copyright (C) International Business Machines Corp., 2007,2008
* Author(s): Steve French (sfrench@us.ibm.com)

1
fs/cifs/cifsacl.h
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@ -1,6 +1,5 @@
/* SPDX-License-Identifier: LGPL-2.1 */
/*
* fs/cifs/cifsacl.h
*
* Copyright (c) International Business Machines Corp., 2007
* Author(s): Steve French (sfrench@us.ibm.com)

1
fs/cifs/cifsencrypt.c
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@ -1,6 +1,5 @@
// SPDX-License-Identifier: LGPL-2.1
/*
* fs/cifs/cifsencrypt.c
*
* Encryption and hashing operations relating to NTLM, NTLMv2. See MS-NLMP
* for more detailed information

1
fs/cifs/cifsfs.c
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@ -1,6 +1,5 @@
// SPDX-License-Identifier: LGPL-2.1
/*
* fs/cifs/cifsfs.c
*
* Copyright (C) International Business Machines Corp., 2002,2008
* Author(s): Steve French (sfrench@us.ibm.com)

1
fs/cifs/cifsfs.h
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@ -1,6 +1,5 @@
/* SPDX-License-Identifier: LGPL-2.1 */
/*
* fs/cifs/cifsfs.h
*
* Copyright (c) International Business Machines Corp., 2002, 2007
* Author(s): Steve French (sfrench@us.ibm.com)

2
fs/cifs/cifsglob.h
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@ -1,6 +1,5 @@
/* SPDX-License-Identifier: LGPL-2.1 */
/*
* fs/cifs/cifsglob.h
*
* Copyright (C) International Business Machines Corp., 2002,2008
* Author(s): Steve French (sfrench@us.ibm.com)
@ -1400,6 +1399,7 @@ struct cifsInodeInfo {
#define CIFS_INO_INVALID_MAPPING (4) /* pagecache is invalid */
#define CIFS_INO_LOCK (5) /* lock bit for synchronization */
#define CIFS_INO_MODIFIED_ATTR (6) /* Indicate change in mtime/ctime */
#define CIFS_INO_CLOSE_ON_LOCK (7) /* Not to defer the close when lock is set */
unsigned long flags;
spinlock_t writers_lock;
unsigned int writers; /* Number of writers on this inode */

1
fs/cifs/cifspdu.h
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@ -1,6 +1,5 @@
/* SPDX-License-Identifier: LGPL-2.1 */
/*
* fs/cifs/cifspdu.h
*
* Copyright (c) International Business Machines Corp., 2002,2009
* Author(s): Steve French (sfrench@us.ibm.com)

4
fs/cifs/cifsproto.h
View File

@ -1,6 +1,5 @@
/* SPDX-License-Identifier: LGPL-2.1 */
/*
* fs/cifs/cifsproto.h
*
* Copyright (c) International Business Machines Corp., 2002,2008
* Author(s): Steve French (sfrench@us.ibm.com)
@ -268,6 +267,9 @@ extern void cifs_close_deferred_file(struct cifsInodeInfo *cifs_inode);
extern void cifs_close_all_deferred_files(struct cifs_tcon *cifs_tcon);
extern void cifs_close_deferred_file_under_dentry(struct cifs_tcon *cifs_tcon,
const char *path);
extern struct TCP_Server_Info *cifs_get_tcp_session(struct smb3_fs_context *ctx);
extern void cifs_put_tcp_session(struct TCP_Server_Info *server,
int from_reconnect);

1
fs/cifs/cifssmb.c
View File

@ -1,6 +1,5 @@
// SPDX-License-Identifier: LGPL-2.1
/*
* fs/cifs/cifssmb.c
*
* Copyright (C) International Business Machines Corp., 2002,2010
* Author(s): Steve French (sfrench@us.ibm.com)

13
fs/cifs/connect.c
View File

@ -1,6 +1,5 @@
// SPDX-License-Identifier: LGPL-2.1
/*
* fs/cifs/connect.c
*
* Copyright (C) International Business Machines Corp., 2002,2011
* Author(s): Steve French (sfrench@us.ibm.com)
@ -1090,7 +1089,7 @@ next_pdu:
module_put_and_exit(0);
}
/**
/*
* Returns true if srcaddr isn't specified and rhs isn't specified, or
* if srcaddr is specified and matches the IP address of the rhs argument
*/
@ -1550,6 +1549,9 @@ static int match_session(struct cifs_ses *ses, struct smb3_fs_context *ctx)
/**
* cifs_setup_ipc - helper to setup the IPC tcon for the session
* @ses: smb session to issue the request on
* @ctx: the superblock configuration context to use for building the
* new tree connection for the IPC (interprocess communication RPC)
*
* A new IPC connection is made and stored in the session
* tcon_ipc. The IPC tcon has the same lifetime as the session.
@ -1605,6 +1607,7 @@ out:
/**
* cifs_free_ipc - helper to release the session IPC tcon
* @ses: smb session to unmount the IPC from
*
* Needs to be called everytime a session is destroyed.
*
@ -1855,6 +1858,8 @@ cifs_set_cifscreds(struct smb3_fs_context *ctx __attribute__((unused)),
/**
* cifs_get_smb_ses - get a session matching @ctx data from @server
* @server: server to setup the session to
* @ctx: superblock configuration context to use to setup the session
*
* This function assumes it is being called from cifs_mount() where we
* already got a server reference (server refcount +1). See
@ -2065,6 +2070,8 @@ cifs_put_tcon(struct cifs_tcon *tcon)
/**
* cifs_get_tcon - get a tcon matching @ctx data from @ses
* @ses: smb session to issue the request on
* @ctx: the superblock configuration context to use for building the
*
* - tcon refcount is the number of mount points using the tcon.
* - ses refcount is the number of tcon using the session.
@ -3030,7 +3037,7 @@ build_unc_path_to_root(const struct smb3_fs_context *ctx,
return full_path;
}
/**
/*
* expand_dfs_referral - Perform a dfs referral query and update the cifs_sb
*
* If a referral is found, cifs_sb->ctx->mount_options will be (re-)allocated

1
fs/cifs/dir.c
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@ -1,6 +1,5 @@
// SPDX-License-Identifier: LGPL-2.1
/*
* fs/cifs/dir.c
*
* vfs operations that deal with dentries
*

1
fs/cifs/dns_resolve.c
View File

@ -1,6 +1,5 @@
// SPDX-License-Identifier: LGPL-2.1
/*
* fs/cifs/dns_resolve.c
*
* Copyright (c) 2007 Igor Mammedov
* Author(s): Igor Mammedov (niallain@gmail.com)

4
fs/cifs/dns_resolve.h
View File

@ -1,7 +1,7 @@
/* SPDX-License-Identifier: LGPL-2.1 */
/*
* fs/cifs/dns_resolve.h -- DNS Resolver upcall management for CIFS DFS
* Handles host name to IP address resolution
* DNS Resolver upcall management for CIFS DFS
* Handles host name to IP address resolution
*
* Copyright (c) International Business Machines Corp., 2008
* Author(s): Steve French (sfrench@us.ibm.com)

1
fs/cifs/export.c
View File

@ -1,6 +1,5 @@
// SPDX-License-Identifier: LGPL-2.1
/*
* fs/cifs/export.c
*
* Copyright (C) International Business Machines Corp., 2007
* Author(s): Steve French (sfrench@us.ibm.com)

3
fs/cifs/file.c
View File

@ -1,6 +1,5 @@
// SPDX-License-Identifier: LGPL-2.1
/*
* fs/cifs/file.c
*
* vfs operations that deal with files
*
@ -883,6 +882,7 @@ int cifs_close(struct inode *inode, struct file *file)
dclose = kmalloc(sizeof(struct cifs_deferred_close), GFP_KERNEL);
if ((cinode->oplock == CIFS_CACHE_RHW_FLG) &&
cinode->lease_granted &&
!test_bit(CIFS_INO_CLOSE_ON_LOCK, &cinode->flags) &&
dclose) {
if (test_bit(CIFS_INO_MODIFIED_ATTR, &cinode->flags)) {
inode->i_ctime = inode->i_mtime = current_time(inode);
@ -1865,6 +1865,7 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *flock)
cifs_read_flock(flock, &type, &lock, &unlock, &wait_flag,
tcon->ses->server);
cifs_sb = CIFS_FILE_SB(file);
set_bit(CIFS_INO_CLOSE_ON_LOCK, &CIFS_I(d_inode(cfile->dentry))->flags);
if (cap_unix(tcon->ses) &&
(CIFS_UNIX_FCNTL_CAP & le64_to_cpu(tcon->fsUnixInfo.Capability)) &&

2
fs/cifs/fscache.c
View File

@ -1,6 +1,6 @@
// SPDX-License-Identifier: LGPL-2.1
/*
* fs/cifs/fscache.c - CIFS filesystem cache interface
* CIFS filesystem cache interface
*
* Copyright (c) 2010 Novell, Inc.
* Author(s): Suresh Jayaraman <sjayaraman@suse.de>

2
fs/cifs/fscache.h
View File

@ -1,6 +1,6 @@
/* SPDX-License-Identifier: LGPL-2.1 */
/*
* fs/cifs/fscache.h - CIFS filesystem cache interface definitions
* CIFS filesystem cache interface definitions
*
* Copyright (c) 2010 Novell, Inc.
* Authors(s): Suresh Jayaraman (sjayaraman@suse.de>

7
fs/cifs/inode.c
View File

@ -1,6 +1,5 @@
// SPDX-License-Identifier: LGPL-2.1
/*
* fs/cifs/inode.c
*
* Copyright (C) International Business Machines Corp., 2002,2010
* Author(s): Steve French (sfrench@us.ibm.com)
@ -1625,7 +1624,7 @@ int cifs_unlink(struct inode *dir, struct dentry *dentry)
goto unlink_out;
}
cifs_close_deferred_file(CIFS_I(inode));
cifs_close_deferred_file_under_dentry(tcon, full_path);
if (cap_unix(tcon->ses) && (CIFS_UNIX_POSIX_PATH_OPS_CAP &
le64_to_cpu(tcon->fsUnixInfo.Capability))) {
rc = CIFSPOSIXDelFile(xid, tcon, full_path,
@ -2114,9 +2113,9 @@ cifs_rename2(struct user_namespace *mnt_userns, struct inode *source_dir,
goto cifs_rename_exit;
}
cifs_close_deferred_file(CIFS_I(d_inode(source_dentry)));
cifs_close_deferred_file_under_dentry(tcon, from_name);
if (d_inode(target_dentry) != NULL)
cifs_close_deferred_file(CIFS_I(d_inode(target_dentry)));
cifs_close_deferred_file_under_dentry(tcon, to_name);
rc = cifs_do_rename(xid, source_dentry, from_name, target_dentry,
to_name);

3
fs/cifs/ioctl.c
View File

@ -1,6 +1,5 @@
// SPDX-License-Identifier: LGPL-2.1
/*
* fs/cifs/ioctl.c
*
* vfs operations that deal with io control
*
@ -359,7 +358,7 @@ long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg)
if (pSMBFile == NULL)
break;
tcon = tlink_tcon(pSMBFile->tlink);
caps = le64_to_cpu(tcon->fsUnixInfo.Capability);
/* caps = le64_to_cpu(tcon->fsUnixInfo.Capability); */
if (get_user(ExtAttrBits, (int __user *)arg)) {
rc = -EFAULT;

1
fs/cifs/link.c
View File

@ -1,6 +1,5 @@
// SPDX-License-Identifier: LGPL-2.1
/*
* fs/cifs/link.c
*
* Copyright (C) International Business Machines Corp., 2002,2008
* Author(s): Steve French (sfrench@us.ibm.com)

42
fs/cifs/misc.c
View File

@ -1,6 +1,5 @@
// SPDX-License-Identifier: LGPL-2.1
/*
* fs/cifs/misc.c
*
* Copyright (C) International Business Machines Corp., 2002,2008
* Author(s): Steve French (sfrench@us.ibm.com)
@ -736,7 +735,7 @@ cifs_close_deferred_file(struct cifsInodeInfo *cifs_inode)
if (cancel_delayed_work(&cfile->deferred)) {
tmp_list = kmalloc(sizeof(struct file_list), GFP_ATOMIC);
if (tmp_list == NULL)
continue;
break;
tmp_list->cfile = cfile;
list_add_tail(&tmp_list->list, &file_head);
}
@ -767,7 +766,7 @@ cifs_close_all_deferred_files(struct cifs_tcon *tcon)
if (cancel_delayed_work(&cfile->deferred)) {
tmp_list = kmalloc(sizeof(struct file_list), GFP_ATOMIC);
if (tmp_list == NULL)
continue;
break;
tmp_list->cfile = cfile;
list_add_tail(&tmp_list->list, &file_head);
}
@ -781,6 +780,43 @@ cifs_close_all_deferred_files(struct cifs_tcon *tcon)
kfree(tmp_list);
}
}
void
cifs_close_deferred_file_under_dentry(struct cifs_tcon *tcon, const char *path)
{
struct cifsFileInfo *cfile;
struct list_head *tmp;
struct file_list *tmp_list, *tmp_next_list;
struct list_head file_head;
void *page;
const char *full_path;
INIT_LIST_HEAD(&file_head);
page = alloc_dentry_path();
spin_lock(&tcon->open_file_lock);
list_for_each(tmp, &tcon->openFileList) {
cfile = list_entry(tmp, struct cifsFileInfo, tlist);
full_path = build_path_from_dentry(cfile->dentry, page);
if (strstr(full_path, path)) {
if (delayed_work_pending(&cfile->deferred)) {
if (cancel_delayed_work(&cfile->deferred)) {
tmp_list = kmalloc(sizeof(struct file_list), GFP_ATOMIC);
if (tmp_list == NULL)
break;
tmp_list->cfile = cfile;
list_add_tail(&tmp_list->list, &file_head);
}
}
}
}
spin_unlock(&tcon->open_file_lock);
list_for_each_entry_safe(tmp_list, tmp_next_list, &file_head, list) {
_cifsFileInfo_put(tmp_list->cfile, true, false);
list_del(&tmp_list->list);
kfree(tmp_list);
}
free_dentry_path(page);
}
/* parses DFS refferal V3 structure
* caller is responsible for freeing target_nodes

1
fs/cifs/netmisc.c
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@ -1,6 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* fs/cifs/netmisc.c
*
* Copyright (c) International Business Machines Corp., 2002,2008
* Author(s): Steve French (sfrench@us.ibm.com)

1
fs/cifs/ntlmssp.h
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@ -1,6 +1,5 @@
/* SPDX-License-Identifier: LGPL-2.1 */
/*
* fs/cifs/ntlmssp.h
*
* Copyright (c) International Business Machines Corp., 2002,2007
* Author(s): Steve French (sfrench@us.ibm.com)

1
fs/cifs/readdir.c
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@ -1,6 +1,5 @@
// SPDX-License-Identifier: LGPL-2.1
/*
* fs/cifs/readdir.c
*
* Directory search handling
*

1
fs/cifs/rfc1002pdu.h
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@ -1,6 +1,5 @@
/* SPDX-License-Identifier: LGPL-2.1 */
/*
* fs/cifs/rfc1002pdu.h
*
* Protocol Data Unit definitions for RFC 1001/1002 support
*

1
fs/cifs/sess.c
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@ -1,6 +1,5 @@
// SPDX-License-Identifier: LGPL-2.1
/*
* fs/cifs/sess.c
*
* SMB/CIFS session setup handling routines
*

1
fs/cifs/smb2file.c
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@ -1,6 +1,5 @@
// SPDX-License-Identifier: LGPL-2.1
/*
* fs/cifs/smb2file.c
*
* Copyright (C) International Business Machines Corp., 2002, 2011
* Author(s): Steve French (sfrench@us.ibm.com),

1
fs/cifs/smb2glob.h
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@ -1,6 +1,5 @@
/* SPDX-License-Identifier: LGPL-2.1 */
/*
* fs/cifs/smb2glob.h
*
* Definitions for various global variables and structures
*

1
fs/cifs/smb2inode.c
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@ -1,6 +1,5 @@
// SPDX-License-Identifier: LGPL-2.1
/*
* fs/cifs/smb2inode.c
*
* Copyright (C) International Business Machines Corp., 2002, 2011
* Etersoft, 2012

1
fs/cifs/smb2misc.c
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@ -1,6 +1,5 @@
// SPDX-License-Identifier: LGPL-2.1
/*
* fs/cifs/smb2misc.c
*
* Copyright (C) International Business Machines Corp., 2002,2011
* Etersoft, 2012

1
fs/cifs/smb2pdu.c
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@ -1,6 +1,5 @@
// SPDX-License-Identifier: LGPL-2.1
/*
* fs/cifs/smb2pdu.c
*
* Copyright (C) International Business Machines Corp., 2009, 2013
* Etersoft, 2012

1
fs/cifs/smb2pdu.h
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@ -1,6 +1,5 @@
/* SPDX-License-Identifier: LGPL-2.1 */
/*
* fs/cifs/smb2pdu.h
*
* Copyright (c) International Business Machines Corp., 2009, 2013
* Etersoft, 2012

1
fs/cifs/smb2proto.h
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@ -1,6 +1,5 @@
/* SPDX-License-Identifier: LGPL-2.1 */
/*
* fs/cifs/smb2proto.h
*
* Copyright (c) International Business Machines Corp., 2002, 2011
* Etersoft, 2012

1
fs/cifs/smb2status.h
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@ -1,6 +1,5 @@
/* SPDX-License-Identifier: LGPL-2.1 */
/*
* fs/cifs/smb2status.h
*
* SMB2 Status code (network error) definitions
* Definitions are from MS-ERREF

1
fs/cifs/smb2transport.c
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@ -1,6 +1,5 @@
// SPDX-License-Identifier: LGPL-2.1
/*
* fs/cifs/smb2transport.c
*
* Copyright (C) International Business Machines Corp., 2002, 2011
* Etersoft, 2012

1
fs/cifs/smberr.h
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@ -1,6 +1,5 @@
/* SPDX-License-Identifier: LGPL-2.1 */
/*
* fs/cifs/smberr.h
*
* Copyright (c) International Business Machines Corp., 2002,2004
* Author(s): Steve French (sfrench@us.ibm.com)

1
fs/cifs/transport.c
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@ -1,6 +1,5 @@
// SPDX-License-Identifier: LGPL-2.1
/*
* fs/cifs/transport.c
*
* Copyright (C) International Business Machines Corp., 2002,2008
* Author(s): Steve French (sfrench@us.ibm.com)

1
fs/cifs/winucase.c
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@ -1,6 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* fs/cifs/winucase.c
*
* Copyright (c) Jeffrey Layton <jlayton@redhat.com>, 2013
*

1
fs/cifs/xattr.c
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@ -1,6 +1,5 @@
// SPDX-License-Identifier: LGPL-2.1
/*
* fs/cifs/xattr.c
*
* Copyright (c) International Business Machines Corp., 2003, 2007
* Author(s): Steve French (sfrench@us.ibm.com)

2
fs/smbfs_common/smbfsctl.h
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@ -1,6 +1,6 @@
/* SPDX-License-Identifier: LGPL-2.1+ */
/*
* fs/cifs/smbfsctl.h: SMB, CIFS, SMB2 FSCTL definitions
* SMB, CIFS, SMB2 FSCTL definitions
*
* Copyright (c) International Business Machines Corp., 2002,2013
* Author(s): Steve French (sfrench@us.ibm.com)

1
include/uapi/linux/cifs/cifs_mount.h
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/* SPDX-License-Identifier: LGPL-2.1+ WITH Linux-syscall-note */
/*
* include/uapi/linux/cifs/cifs_mount.h
*
* Author(s): Scott Lovenberg (scott.lovenberg@gmail.com)
*