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Commit 400d0ad6 authored by Enzo Matsumiya's avatar Enzo Matsumiya Committed by Steve French
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cifs: remove useless parameter 'is_fsctl' from SMB2_ioctl() 

SMB2_ioctl() is always called with is_fsctl = true, so doesn't make any
sense to have it at all.

Thus, always set SMB2_0_IOCTL_IS_FSCTL flag on the request.

Also, as per MS-SMB2 3.3.5.15 "Receiving an SMB2 IOCTL Request", servers
must fail the request if the request flags is zero anyway.
Signed-off-by: default avatarEnzo Matsumiya <ematsumiya@suse.de>
Reviewed-by: default avatarTom Talpey <tom@talpey.com>
Signed-off-by: default avatarSteve French <stfrench@microsoft.com>
parent 68ed1449
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Showing with 24 additions and 36 deletions
fs/cifs/smb2file.c
View file @ 400d0ad6
...@@ -61,7 +61,6 @@ smb2_open_file(const unsigned int xid, struct cifs_open_parms *oparms, ...@@ -61,7 +61,6 @@ smb2_open_file(const unsigned int xid, struct cifs_open_parms *oparms,
nr_ioctl_req.Reserved = 0; nr_ioctl_req.Reserved = 0;
rc = SMB2_ioctl(xid, oparms->tcon, fid->persistent_fid, rc = SMB2_ioctl(xid, oparms->tcon, fid->persistent_fid,
fid->volatile_fid, FSCTL_LMR_REQUEST_RESILIENCY, fid->volatile_fid, FSCTL_LMR_REQUEST_RESILIENCY,
true /* is_fsctl */,
(char *)&nr_ioctl_req, sizeof(nr_ioctl_req), (char *)&nr_ioctl_req, sizeof(nr_ioctl_req),
CIFSMaxBufSize, NULL, NULL /* no return info */); CIFSMaxBufSize, NULL, NULL /* no return info */);
if (rc == -EOPNOTSUPP) { if (rc == -EOPNOTSUPP) {
......
fs/cifs/smb2ops.c
View file @ 400d0ad6
...@@ -681,7 +681,7 @@ SMB3_request_interfaces(const unsigned int xid, struct cifs_tcon *tcon) ...@@ -681,7 +681,7 @@ SMB3_request_interfaces(const unsigned int xid, struct cifs_tcon *tcon)
struct cifs_ses *ses = tcon->ses; struct cifs_ses *ses = tcon->ses;
rc = SMB2_ioctl(xid, tcon, NO_FILE_ID, NO_FILE_ID, rc = SMB2_ioctl(xid, tcon, NO_FILE_ID, NO_FILE_ID,
FSCTL_QUERY_NETWORK_INTERFACE_INFO, true /* is_fsctl */, FSCTL_QUERY_NETWORK_INTERFACE_INFO,
NULL /* no data input */, 0 /* no data input */, NULL /* no data input */, 0 /* no data input */,
CIFSMaxBufSize, (char **)&out_buf, &ret_data_len); CIFSMaxBufSize, (char **)&out_buf, &ret_data_len);
if (rc == -EOPNOTSUPP) { if (rc == -EOPNOTSUPP) {
...@@ -1323,9 +1323,8 @@ SMB2_request_res_key(const unsigned int xid, struct cifs_tcon *tcon, ...@@ -1323,9 +1323,8 @@ SMB2_request_res_key(const unsigned int xid, struct cifs_tcon *tcon,
struct resume_key_req *res_key; struct resume_key_req *res_key;
rc = SMB2_ioctl(xid, tcon, persistent_fid, volatile_fid, rc = SMB2_ioctl(xid, tcon, persistent_fid, volatile_fid,
FSCTL_SRV_REQUEST_RESUME_KEY, true /* is_fsctl */, FSCTL_SRV_REQUEST_RESUME_KEY, NULL, 0 /* no input */,
NULL, 0 /* no input */, CIFSMaxBufSize, CIFSMaxBufSize, (char **)&res_key, &ret_data_len);
(char **)&res_key, &ret_data_len);
if (rc == -EOPNOTSUPP) { if (rc == -EOPNOTSUPP) {
pr_warn_once("Server share %s does not support copy range\n", tcon->treeName); pr_warn_once("Server share %s does not support copy range\n", tcon->treeName);
...@@ -1467,7 +1466,7 @@ smb2_ioctl_query_info(const unsigned int xid, ...@@ -1467,7 +1466,7 @@ smb2_ioctl_query_info(const unsigned int xid,
rqst[1].rq_nvec = SMB2_IOCTL_IOV_SIZE; rqst[1].rq_nvec = SMB2_IOCTL_IOV_SIZE;
rc = SMB2_ioctl_init(tcon, server, &rqst[1], COMPOUND_FID, COMPOUND_FID, rc = SMB2_ioctl_init(tcon, server, &rqst[1], COMPOUND_FID, COMPOUND_FID,
qi.info_type, true, buffer, qi.output_buffer_length, qi.info_type, buffer, qi.output_buffer_length,
CIFSMaxBufSize - MAX_SMB2_CREATE_RESPONSE_SIZE - CIFSMaxBufSize - MAX_SMB2_CREATE_RESPONSE_SIZE -
MAX_SMB2_CLOSE_RESPONSE_SIZE); MAX_SMB2_CLOSE_RESPONSE_SIZE);
free_req1_func = SMB2_ioctl_free; free_req1_func = SMB2_ioctl_free;
...@@ -1643,9 +1642,8 @@ smb2_copychunk_range(const unsigned int xid, ...@@ -1643,9 +1642,8 @@ smb2_copychunk_range(const unsigned int xid,
retbuf = NULL; retbuf = NULL;
rc = SMB2_ioctl(xid, tcon, trgtfile->fid.persistent_fid, rc = SMB2_ioctl(xid, tcon, trgtfile->fid.persistent_fid,
trgtfile->fid.volatile_fid, FSCTL_SRV_COPYCHUNK_WRITE, trgtfile->fid.volatile_fid, FSCTL_SRV_COPYCHUNK_WRITE,
true /* is_fsctl */, (char *)pcchunk, (char *)pcchunk, sizeof(struct copychunk_ioctl),
sizeof(struct copychunk_ioctl), CIFSMaxBufSize, CIFSMaxBufSize, (char **)&retbuf, &ret_data_len);
(char **)&retbuf, &ret_data_len);
if (rc == 0) { if (rc == 0) {
if (ret_data_len != if (ret_data_len !=
sizeof(struct copychunk_ioctl_rsp)) { sizeof(struct copychunk_ioctl_rsp)) {
...@@ -1805,7 +1803,6 @@ static bool smb2_set_sparse(const unsigned int xid, struct cifs_tcon *tcon, ...@@ -1805,7 +1803,6 @@ static bool smb2_set_sparse(const unsigned int xid, struct cifs_tcon *tcon,
rc = SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid, rc = SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid,
cfile->fid.volatile_fid, FSCTL_SET_SPARSE, cfile->fid.volatile_fid, FSCTL_SET_SPARSE,
true /* is_fctl */,
&setsparse, 1, CIFSMaxBufSize, NULL, NULL); &setsparse, 1, CIFSMaxBufSize, NULL, NULL);
if (rc) { if (rc) {
tcon->broken_sparse_sup = true; tcon->broken_sparse_sup = true;
...@@ -1888,7 +1885,6 @@ smb2_duplicate_extents(const unsigned int xid, ...@@ -1888,7 +1885,6 @@ smb2_duplicate_extents(const unsigned int xid,
rc = SMB2_ioctl(xid, tcon, trgtfile->fid.persistent_fid, rc = SMB2_ioctl(xid, tcon, trgtfile->fid.persistent_fid,
trgtfile->fid.volatile_fid, trgtfile->fid.volatile_fid,
FSCTL_DUPLICATE_EXTENTS_TO_FILE, FSCTL_DUPLICATE_EXTENTS_TO_FILE,
true /* is_fsctl */,
(char *)&dup_ext_buf, (char *)&dup_ext_buf,
sizeof(struct duplicate_extents_to_file), sizeof(struct duplicate_extents_to_file),
CIFSMaxBufSize, NULL, CIFSMaxBufSize, NULL,
...@@ -1923,7 +1919,6 @@ smb3_set_integrity(const unsigned int xid, struct cifs_tcon *tcon, ...@@ -1923,7 +1919,6 @@ smb3_set_integrity(const unsigned int xid, struct cifs_tcon *tcon,
return SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid, return SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid,
cfile->fid.volatile_fid, cfile->fid.volatile_fid,
FSCTL_SET_INTEGRITY_INFORMATION, FSCTL_SET_INTEGRITY_INFORMATION,
true /* is_fsctl */,
(char *)&integr_info, (char *)&integr_info,
sizeof(struct fsctl_set_integrity_information_req), sizeof(struct fsctl_set_integrity_information_req),
CIFSMaxBufSize, NULL, CIFSMaxBufSize, NULL,
...@@ -1976,7 +1971,6 @@ smb3_enum_snapshots(const unsigned int xid, struct cifs_tcon *tcon, ...@@ -1976,7 +1971,6 @@ smb3_enum_snapshots(const unsigned int xid, struct cifs_tcon *tcon,
rc = SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid, rc = SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid,
cfile->fid.volatile_fid, cfile->fid.volatile_fid,
FSCTL_SRV_ENUMERATE_SNAPSHOTS, FSCTL_SRV_ENUMERATE_SNAPSHOTS,
true /* is_fsctl */,
NULL, 0 /* no input data */, max_response_size, NULL, 0 /* no input data */, max_response_size,
(char **)&retbuf, (char **)&retbuf,
&ret_data_len); &ret_data_len);
...@@ -2699,7 +2693,6 @@ smb2_get_dfs_refer(const unsigned int xid, struct cifs_ses *ses, ...@@ -2699,7 +2693,6 @@ smb2_get_dfs_refer(const unsigned int xid, struct cifs_ses *ses,
do { do {
rc = SMB2_ioctl(xid, tcon, NO_FILE_ID, NO_FILE_ID, rc = SMB2_ioctl(xid, tcon, NO_FILE_ID, NO_FILE_ID,
FSCTL_DFS_GET_REFERRALS, FSCTL_DFS_GET_REFERRALS,
true /* is_fsctl */,
(char *)dfs_req, dfs_req_size, CIFSMaxBufSize, (char *)dfs_req, dfs_req_size, CIFSMaxBufSize,
(char **)&dfs_rsp, &dfs_rsp_size); (char **)&dfs_rsp, &dfs_rsp_size);
if (!is_retryable_error(rc)) if (!is_retryable_error(rc))
...@@ -2906,8 +2899,7 @@ smb2_query_symlink(const unsigned int xid, struct cifs_tcon *tcon, ...@@ -2906,8 +2899,7 @@ smb2_query_symlink(const unsigned int xid, struct cifs_tcon *tcon,
rc = SMB2_ioctl_init(tcon, server, rc = SMB2_ioctl_init(tcon, server,
&rqst[1], fid.persistent_fid, &rqst[1], fid.persistent_fid,
fid.volatile_fid, FSCTL_GET_REPARSE_POINT, fid.volatile_fid, FSCTL_GET_REPARSE_POINT, NULL, 0,
true /* is_fctl */, NULL, 0,
CIFSMaxBufSize - CIFSMaxBufSize -
MAX_SMB2_CREATE_RESPONSE_SIZE - MAX_SMB2_CREATE_RESPONSE_SIZE -
MAX_SMB2_CLOSE_RESPONSE_SIZE); MAX_SMB2_CLOSE_RESPONSE_SIZE);
...@@ -3087,8 +3079,7 @@ smb2_query_reparse_tag(const unsigned int xid, struct cifs_tcon *tcon, ...@@ -3087,8 +3079,7 @@ smb2_query_reparse_tag(const unsigned int xid, struct cifs_tcon *tcon,
rc = SMB2_ioctl_init(tcon, server, rc = SMB2_ioctl_init(tcon, server,
&rqst[1], COMPOUND_FID, &rqst[1], COMPOUND_FID,
COMPOUND_FID, FSCTL_GET_REPARSE_POINT, COMPOUND_FID, FSCTL_GET_REPARSE_POINT, NULL, 0,
true /* is_fctl */, NULL, 0,
CIFSMaxBufSize - CIFSMaxBufSize -
MAX_SMB2_CREATE_RESPONSE_SIZE - MAX_SMB2_CREATE_RESPONSE_SIZE -
MAX_SMB2_CLOSE_RESPONSE_SIZE); MAX_SMB2_CLOSE_RESPONSE_SIZE);
...@@ -3358,7 +3349,7 @@ static long smb3_zero_range(struct file *file, struct cifs_tcon *tcon, ...@@ -3358,7 +3349,7 @@ static long smb3_zero_range(struct file *file, struct cifs_tcon *tcon,
fsctl_buf.BeyondFinalZero = cpu_to_le64(offset + len); fsctl_buf.BeyondFinalZero = cpu_to_le64(offset + len);
rc = SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid, rc = SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid,
cfile->fid.volatile_fid, FSCTL_SET_ZERO_DATA, true, cfile->fid.volatile_fid, FSCTL_SET_ZERO_DATA,
(char *)&fsctl_buf, (char *)&fsctl_buf,
sizeof(struct file_zero_data_information), sizeof(struct file_zero_data_information),
0, NULL, NULL); 0, NULL, NULL);
...@@ -3421,7 +3412,7 @@ static long smb3_punch_hole(struct file *file, struct cifs_tcon *tcon, ...@@ -3421,7 +3412,7 @@ static long smb3_punch_hole(struct file *file, struct cifs_tcon *tcon,
rc = SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid, rc = SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid,
cfile->fid.volatile_fid, FSCTL_SET_ZERO_DATA, cfile->fid.volatile_fid, FSCTL_SET_ZERO_DATA,
true /* is_fctl */, (char *)&fsctl_buf, (char *)&fsctl_buf,
sizeof(struct file_zero_data_information), sizeof(struct file_zero_data_information),
CIFSMaxBufSize, NULL, NULL); CIFSMaxBufSize, NULL, NULL);
free_xid(xid); free_xid(xid);
...@@ -3481,7 +3472,7 @@ static int smb3_simple_fallocate_range(unsigned int xid, ...@@ -3481,7 +3472,7 @@ static int smb3_simple_fallocate_range(unsigned int xid,
in_data.length = cpu_to_le64(len); in_data.length = cpu_to_le64(len);
rc = SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid, rc = SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid,
cfile->fid.volatile_fid, cfile->fid.volatile_fid,
FSCTL_QUERY_ALLOCATED_RANGES, true, FSCTL_QUERY_ALLOCATED_RANGES,
(char *)&in_data, sizeof(in_data), (char *)&in_data, sizeof(in_data),
1024 * sizeof(struct file_allocated_range_buffer), 1024 * sizeof(struct file_allocated_range_buffer),
(char **)&out_data, &out_data_len); (char **)&out_data, &out_data_len);
...@@ -3802,7 +3793,7 @@ static loff_t smb3_llseek(struct file *file, struct cifs_tcon *tcon, loff_t offs ...@@ -3802,7 +3793,7 @@ static loff_t smb3_llseek(struct file *file, struct cifs_tcon *tcon, loff_t offs
rc = SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid, rc = SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid,
cfile->fid.volatile_fid, cfile->fid.volatile_fid,
FSCTL_QUERY_ALLOCATED_RANGES, true, FSCTL_QUERY_ALLOCATED_RANGES,
(char *)&in_data, sizeof(in_data), (char *)&in_data, sizeof(in_data),
sizeof(struct file_allocated_range_buffer), sizeof(struct file_allocated_range_buffer),
(char **)&out_data, &out_data_len); (char **)&out_data, &out_data_len);
...@@ -3862,7 +3853,7 @@ static int smb3_fiemap(struct cifs_tcon *tcon, ...@@ -3862,7 +3853,7 @@ static int smb3_fiemap(struct cifs_tcon *tcon,
rc = SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid, rc = SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid,
cfile->fid.volatile_fid, cfile->fid.volatile_fid,
FSCTL_QUERY_ALLOCATED_RANGES, true, FSCTL_QUERY_ALLOCATED_RANGES,
(char *)&in_data, sizeof(in_data), (char *)&in_data, sizeof(in_data),
1024 * sizeof(struct file_allocated_range_buffer), 1024 * sizeof(struct file_allocated_range_buffer),
(char **)&out_data, &out_data_len); (char **)&out_data, &out_data_len);
......
fs/cifs/smb2pdu.c
View file @ 400d0ad6
...@@ -1173,7 +1173,7 @@ int smb3_validate_negotiate(const unsigned int xid, struct cifs_tcon *tcon) ...@@ -1173,7 +1173,7 @@ int smb3_validate_negotiate(const unsigned int xid, struct cifs_tcon *tcon)
} }
rc = SMB2_ioctl(xid, tcon, NO_FILE_ID, NO_FILE_ID, rc = SMB2_ioctl(xid, tcon, NO_FILE_ID, NO_FILE_ID,
FSCTL_VALIDATE_NEGOTIATE_INFO, true /* is_fsctl */, FSCTL_VALIDATE_NEGOTIATE_INFO,
(char *)pneg_inbuf, inbuflen, CIFSMaxBufSize, (char *)pneg_inbuf, inbuflen, CIFSMaxBufSize,
(char **)&pneg_rsp, &rsplen); (char **)&pneg_rsp, &rsplen);
if (rc == -EOPNOTSUPP) { if (rc == -EOPNOTSUPP) {
...@@ -3056,7 +3056,7 @@ int ...@@ -3056,7 +3056,7 @@ int
SMB2_ioctl_init(struct cifs_tcon *tcon, struct TCP_Server_Info *server, SMB2_ioctl_init(struct cifs_tcon *tcon, struct TCP_Server_Info *server,
struct smb_rqst *rqst, struct smb_rqst *rqst,
u64 persistent_fid, u64 volatile_fid, u32 opcode, u64 persistent_fid, u64 volatile_fid, u32 opcode,
bool is_fsctl, char *in_data, u32 indatalen, char *in_data, u32 indatalen,
__u32 max_response_size) __u32 max_response_size)
{ {
struct smb2_ioctl_req *req; struct smb2_ioctl_req *req;
...@@ -3131,10 +3131,8 @@ SMB2_ioctl_init(struct cifs_tcon *tcon, struct TCP_Server_Info *server, ...@@ -3131,10 +3131,8 @@ SMB2_ioctl_init(struct cifs_tcon *tcon, struct TCP_Server_Info *server,
req->hdr.CreditCharge = req->hdr.CreditCharge =
cpu_to_le16(DIV_ROUND_UP(max(indatalen, max_response_size), cpu_to_le16(DIV_ROUND_UP(max(indatalen, max_response_size),
SMB2_MAX_BUFFER_SIZE)); SMB2_MAX_BUFFER_SIZE));
if (is_fsctl) /* always an FSCTL (for now) */
req->Flags = cpu_to_le32(SMB2_0_IOCTL_IS_FSCTL); req->Flags = cpu_to_le32(SMB2_0_IOCTL_IS_FSCTL);
else
req->Flags = 0;
/* validate negotiate request must be signed - see MS-SMB2 3.2.5.5 */ /* validate negotiate request must be signed - see MS-SMB2 3.2.5.5 */
if (opcode == FSCTL_VALIDATE_NEGOTIATE_INFO) if (opcode == FSCTL_VALIDATE_NEGOTIATE_INFO)
...@@ -3161,9 +3159,9 @@ SMB2_ioctl_free(struct smb_rqst *rqst) ...@@ -3161,9 +3159,9 @@ SMB2_ioctl_free(struct smb_rqst *rqst)
*/ */
int int
SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid, SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid,
u64 volatile_fid, u32 opcode, bool is_fsctl, u64 volatile_fid, u32 opcode, char *in_data, u32 indatalen,
char *in_data, u32 indatalen, u32 max_out_data_len, u32 max_out_data_len, char **out_data,
char **out_data, u32 *plen /* returned data len */) u32 *plen /* returned data len */)
{ {
struct smb_rqst rqst; struct smb_rqst rqst;
struct smb2_ioctl_rsp *rsp = NULL; struct smb2_ioctl_rsp *rsp = NULL;
...@@ -3205,7 +3203,7 @@ SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid, ...@@ -3205,7 +3203,7 @@ SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid,
rc = SMB2_ioctl_init(tcon, server, rc = SMB2_ioctl_init(tcon, server,
&rqst, persistent_fid, volatile_fid, opcode, &rqst, persistent_fid, volatile_fid, opcode,
is_fsctl, in_data, indatalen, max_out_data_len); in_data, indatalen, max_out_data_len);
if (rc) if (rc)
goto ioctl_exit; goto ioctl_exit;
...@@ -3297,7 +3295,7 @@ SMB2_set_compression(const unsigned int xid, struct cifs_tcon *tcon, ...@@ -3297,7 +3295,7 @@ SMB2_set_compression(const unsigned int xid, struct cifs_tcon *tcon,
cpu_to_le16(COMPRESSION_FORMAT_DEFAULT); cpu_to_le16(COMPRESSION_FORMAT_DEFAULT);
rc = SMB2_ioctl(xid, tcon, persistent_fid, volatile_fid, rc = SMB2_ioctl(xid, tcon, persistent_fid, volatile_fid,
FSCTL_SET_COMPRESSION, true /* is_fsctl */, FSCTL_SET_COMPRESSION,
(char *)&fsctl_input /* data input */, (char *)&fsctl_input /* data input */,
2 /* in data len */, CIFSMaxBufSize /* max out data */, 2 /* in data len */, CIFSMaxBufSize /* max out data */,
&ret_data /* out data */, NULL); &ret_data /* out data */, NULL);
......
fs/cifs/smb2proto.h
View file @ 400d0ad6
...@@ -137,13 +137,13 @@ extern int SMB2_open_init(struct cifs_tcon *tcon, ...@@ -137,13 +137,13 @@ extern int SMB2_open_init(struct cifs_tcon *tcon,
extern void SMB2_open_free(struct smb_rqst *rqst); extern void SMB2_open_free(struct smb_rqst *rqst);
extern int SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon, extern int SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon,
u64 persistent_fid, u64 volatile_fid, u32 opcode, u64 persistent_fid, u64 volatile_fid, u32 opcode,
bool is_fsctl, char *in_data, u32 indatalen, u32 maxoutlen, char *in_data, u32 indatalen, u32 maxoutlen,
char **out_data, u32 *plen /* returned data len */); char **out_data, u32 *plen /* returned data len */);
extern int SMB2_ioctl_init(struct cifs_tcon *tcon, extern int SMB2_ioctl_init(struct cifs_tcon *tcon,
struct TCP_Server_Info *server, struct TCP_Server_Info *server,
struct smb_rqst *rqst, struct smb_rqst *rqst,
u64 persistent_fid, u64 volatile_fid, u32 opcode, u64 persistent_fid, u64 volatile_fid, u32 opcode,
bool is_fsctl, char *in_data, u32 indatalen, char *in_data, u32 indatalen,
__u32 max_response_size); __u32 max_response_size);
extern void SMB2_ioctl_free(struct smb_rqst *rqst); extern void SMB2_ioctl_free(struct smb_rqst *rqst);
extern int SMB2_change_notify(const unsigned int xid, struct cifs_tcon *tcon, extern int SMB2_change_notify(const unsigned int xid, struct cifs_tcon *tcon,
......
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