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Merge branch 'perf/core' into perf/probes
[linux-2.6-block.git] / fs / cifs / cifsproto.h
CommitLineData
1da177e4
LT		 1/*
2 * fs/cifs/cifsproto.h
3 *
366781c1 4 * Copyright (c) International Business Machines Corp., 2002,2008
1da177e4
LT		 5 * Author(s): Steve French (sfrench@us.ibm.com)
6 *
7 * This library is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU Lesser General Public License as published
9 * by the Free Software Foundation; either version 2.1 of the License, or
10 * (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
15 * the GNU Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public License
18 * along with this library; if not, write to the Free Software
d38d8c74 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
1da177e4
LT		 20 */
21#ifndef _CIFSPROTO_H
22#define _CIFSPROTO_H
23#include <linux/nls.h>
24
25struct statfs;
8af18971 26struct smb_vol;
1da177e4
LT		 27
28/*
29 *****************************************************************
30 * All Prototypes
31 *****************************************************************
32 */
33
34extern struct smb_hdr *cifs_buf_get(void);
35extern void cifs_buf_release(void *);
36extern struct smb_hdr *cifs_small_buf_get(void);
37extern void cifs_small_buf_release(void *);
0496e02d
JL		 38extern int smb_send(struct TCP_Server_Info *, struct smb_hdr *,
39 unsigned int /* length */);
1da177e4
LT		 40extern unsigned int _GetXid(void);
41extern void _FreeXid(unsigned int);
a001e5b5 42#define GetXid() (int)_GetXid(); cFYI(1,("CIFS VFS: in %s as Xid: %d with uid: %d",__func__, xid,current_fsuid()));
55f78e17 43#define FreeXid(curr_xid) {_FreeXid(curr_xid); cFYI(1,("CIFS VFS: leaving %s (xid = %d) rc = %d",__func__,curr_xid,(int)rc));}
7f57356b 44extern char *build_path_from_dentry(struct dentry *);
e4cce94c 45extern char *cifs_build_path_to_root(struct cifs_sb_info *cifs_sb);
1da177e4 46extern char *build_wildcard_path_from_dentry(struct dentry *direntry);
c6c00919
SF		 47extern char *cifs_compose_mount_options(const char *sb_mountdata,
48 const char *fullpath, const struct dfs_info3_param *ref,
49 char **devname);
99ee4dbd 50/* extern void renew_parental_timestamps(struct dentry *direntry);*/
1da177e4
LT		 51extern int SendReceive(const unsigned int /* xid */ , struct cifsSesInfo *,
52 struct smb_hdr * /* input */ ,
53 struct smb_hdr * /* out */ ,
54 int * /* bytes returned */ , const int long_op);
133672ef
SF		 55extern int SendReceiveNoRsp(const unsigned int xid, struct cifsSesInfo *ses,
56 struct smb_hdr *in_buf, int flags);
d6e04ae6 57extern int SendReceive2(const unsigned int /* xid */ , struct cifsSesInfo *,
d38d8c74 58 struct kvec *, int /* nvec to send */,
133672ef 59 int * /* type of buf returned */ , const int flags);
ad7a2926
SF		 60extern int SendReceiveBlockingLock(const unsigned int xid,
61 struct cifsTconInfo *ptcon,
62 struct smb_hdr *in_buf ,
63 struct smb_hdr *out_buf,
64 int *bytes_returned);
d103e164 65extern int checkSMB(struct smb_hdr *smb, __u16 mid, unsigned int length);
4b18f2a9
SF		 66extern bool is_valid_oplock_break(struct smb_hdr *smb,
67 struct TCP_Server_Info *);
68extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof);
6148a742 69extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *);
630f3f0c
SF		 70#ifdef CONFIG_CIFS_EXPERIMENTAL
71extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *);
72#endif
1da177e4 73extern unsigned int smbCalcSize(struct smb_hdr *ptr);
70ca734a 74extern unsigned int smbCalcSize_LE(struct smb_hdr *ptr);
1da177e4
LT		 75extern int decode_negTokenInit(unsigned char *security_blob, int length,
76 enum securityEnum *secType);
1e68b2b2 77extern int cifs_convert_address(char *src, void *dst);
a761ac57 78extern int map_smb_to_linux_error(struct smb_hdr *smb, int logErr);
1da177e4 79extern void header_assemble(struct smb_hdr *, char /* command */ ,
1982c344
SF		 80 const struct cifsTconInfo *, int /* length of
81 fixed section (word count) in two byte units */);
5815449d
SF		 82extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
83 struct cifsSesInfo *ses,
50c2f753 84 void **request_buf);
5815449d 85extern int CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses,
d38d8c74 86 const int stage,
5815449d 87 const struct nls_table *nls_cp);
1982c344 88extern __u16 GetNextMid(struct TCP_Server_Info *server);
07119a4d 89extern struct timespec cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601);
1da177e4 90extern u64 cifs_UnixTimeToNT(struct timespec);
c4a2c08d
JL		 91extern struct timespec cnvrtDosUnixTm(__le16 le_date, __le16 le_time,
92 int offset);
1bd5bbcb 93
086f68bd
JL		 94extern struct cifsFileInfo *cifs_new_fileinfo(struct inode *newinode,
95 __u16 fileHandle, struct file *file,
5d2c0e22 96 struct vfsmount *mnt, unsigned int oflags);
7fc8f4e9 97extern int cifs_posix_open(char *full_path, struct inode **pinode,
3bc303c2 98 struct vfsmount *mnt, int mode, int oflags,
590a3fe0 99 __u32 *poplock, __u16 *pnetfid, int xid);
cc0bad75
JL		 100extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr,
101 FILE_UNIX_BASIC_INFO *info,
102 struct cifs_sb_info *cifs_sb);
103extern void cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr);
cc0bad75
JL		 104extern struct inode *cifs_iget(struct super_block *sb,
105 struct cifs_fattr *fattr);
106
1da177e4 107extern int cifs_get_inode_info(struct inode **pinode,
d38d8c74 108 const unsigned char *search_path,
582d21e5 109 FILE_ALL_INFO *pfile_info,
8b1327f6 110 struct super_block *sb, int xid, const __u16 *pfid);
1da177e4
LT		 111extern int cifs_get_inode_info_unix(struct inode **pinode,
112 const unsigned char *search_path,
d38d8c74 113 struct super_block *sb, int xid);
0b8f18e3
JL		 114extern void cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb,
115 struct cifs_fattr *fattr, struct inode *inode,
116 const char *path, const __u16 *pfid);
97837582 117extern int mode_to_acl(struct inode *inode, const char *path, __u64);
953f8681 118
1da177e4
LT		 119extern int cifs_mount(struct super_block *, struct cifs_sb_info *, char *,
120 const char *);
121extern int cifs_umount(struct super_block *, struct cifs_sb_info *);
78d31a3a 122extern void cifs_dfs_release_automount_timer(void);
1da177e4
LT		 123void cifs_proc_init(void);
124void cifs_proc_clean(void);
125
d38d8c74
SF		 126extern int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo,
127 struct nls_table *nls_info);
1da177e4
LT		 128extern int CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses);
129
130extern int CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
131 const char *tree, struct cifsTconInfo *tcon,
132 const struct nls_table *);
133
134extern int CIFSFindFirst(const int xid, struct cifsTconInfo *tcon,
ec637e3f 135 const char *searchName, const struct nls_table *nls_codepage,
d38d8c74 136 __u16 *searchHandle, struct cifs_search_info *psrch_inf,
ec637e3f 137 int map, const char dirsep);
1da177e4
LT		 138
139extern int CIFSFindNext(const int xid, struct cifsTconInfo *tcon,
d38d8c74 140 __u16 searchHandle, struct cifs_search_info *psrch_inf);
1da177e4
LT		 141
142extern int CIFSFindClose(const int, struct cifsTconInfo *tcon,
143 const __u16 search_handle);
144
145extern int CIFSSMBQPathInfo(const int xid, struct cifsTconInfo *tcon,
146 const unsigned char *searchName,
582d21e5 147 FILE_ALL_INFO *findData,
acf1a1b1 148 int legacy /* whether to use old info level */,
737b758c 149 const struct nls_table *nls_codepage, int remap);
6b8edfe0 150extern int SMBQueryInformation(const int xid, struct cifsTconInfo *tcon,
d38d8c74
SF		 151 const unsigned char *searchName,
152 FILE_ALL_INFO *findData,
153 const struct nls_table *nls_codepage, int remap);
1da177e4
LT		 154
155extern int CIFSSMBUnixQPathInfo(const int xid,
156 struct cifsTconInfo *tcon,
157 const unsigned char *searchName,
582d21e5 158 FILE_UNIX_BASIC_INFO *pFindData,
737b758c 159 const struct nls_table *nls_codepage, int remap);
1da177e4
LT		 160
161extern int CIFSGetDFSRefer(const int xid, struct cifsSesInfo *ses,
162 const unsigned char *searchName,
c2cf07d5
SF		 163 struct dfs_info3_param **target_nodes,
164 unsigned int *number_of_nodes_in_array,
737b758c 165 const struct nls_table *nls_codepage, int remap);
1da177e4 166
1da177e4 167extern int get_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
d38d8c74 168 const char *old_path,
737b758c 169 const struct nls_table *nls_codepage,
d38d8c74 170 unsigned int *pnum_referrals,
366781c1 171 struct dfs_info3_param **preferrals,
737b758c 172 int remap);
8af18971 173extern void reset_cifs_unix_caps(int xid, struct cifsTconInfo *tcon,
d38d8c74 174 struct super_block *sb, struct smb_vol *vol);
1da177e4 175extern int CIFSSMBQFSInfo(const int xid, struct cifsTconInfo *tcon,
737b758c 176 struct kstatfs *FSData);
20962438
SF		 177extern int SMBOldQFSInfo(const int xid, struct cifsTconInfo *tcon,
178 struct kstatfs *FSData);
45abc6ee 179extern int CIFSSMBSetFSUnixInfo(const int xid, struct cifsTconInfo *tcon,
ac67055e
JA		 180 __u64 cap);
181
1da177e4 182extern int CIFSSMBQFSAttributeInfo(const int xid,
737b758c
SF		 183 struct cifsTconInfo *tcon);
184extern int CIFSSMBQFSDeviceInfo(const int xid, struct cifsTconInfo *tcon);
185extern int CIFSSMBQFSUnixInfo(const int xid, struct cifsTconInfo *tcon);
1da177e4 186extern int CIFSSMBQFSPosixInfo(const int xid, struct cifsTconInfo *tcon,
737b758c 187 struct kstatfs *FSData);
1da177e4 188
6fc000e5 189extern int CIFSSMBSetPathInfo(const int xid, struct cifsTconInfo *tcon,
ad7a2926 190 const char *fileName, const FILE_BASIC_INFO *data,
737b758c
SF		 191 const struct nls_table *nls_codepage,
192 int remap_special_chars);
2dd2dfa0
JL		 193extern int CIFSSMBSetFileInfo(const int xid, struct cifsTconInfo *tcon,
194 const FILE_BASIC_INFO *data, __u16 fid,
195 __u32 pid_of_opener);
6d22f098
JL		 196extern int CIFSSMBSetFileDisposition(const int xid, struct cifsTconInfo *tcon,
197 bool delete_file, __u16 fid, __u32 pid_of_opener);
1da177e4
LT		 198#if 0
199extern int CIFSSMBSetAttrLegacy(int xid, struct cifsTconInfo *tcon,
200 char *fileName, __u16 dos_attributes,
201 const struct nls_table *nls_codepage);
202#endif /* possibly unneeded function */
203extern int CIFSSMBSetEOF(const int xid, struct cifsTconInfo *tcon,
737b758c 204 const char *fileName, __u64 size,
4b18f2a9 205 bool setAllocationSizeFlag,
737b758c
SF		 206 const struct nls_table *nls_codepage,
207 int remap_special_chars);
1da177e4 208extern int CIFSSMBSetFileSize(const int xid, struct cifsTconInfo *tcon,
d38d8c74 209 __u64 size, __u16 fileHandle, __u32 opener_pid,
4b18f2a9 210 bool AllocSizeFlag);
4e1e7fb9
JL		 211
212struct cifs_unix_set_info_args {
213 __u64 ctime;
214 __u64 atime;
215 __u64 mtime;
216 __u64 mode;
217 __u64 uid;
218 __u64 gid;
219 dev_t device;
220};
221
3bbeeb3c
JL		 222extern int CIFSSMBUnixSetFileInfo(const int xid, struct cifsTconInfo *tcon,
223 const struct cifs_unix_set_info_args *args,
224 u16 fid, u32 pid_of_opener);
225
01ea95e3 226extern int CIFSSMBUnixSetPathInfo(const int xid, struct cifsTconInfo *pTcon,
4e1e7fb9
JL		 227 char *fileName,
228 const struct cifs_unix_set_info_args *args,
737b758c
SF		 229 const struct nls_table *nls_codepage,
230 int remap_special_chars);
1da177e4
LT		 231
232extern int CIFSSMBMkDir(const int xid, struct cifsTconInfo *tcon,
233 const char *newName,
737b758c
SF		 234 const struct nls_table *nls_codepage,
235 int remap_special_chars);
1da177e4 236extern int CIFSSMBRmDir(const int xid, struct cifsTconInfo *tcon,
737b758c
SF		 237 const char *name, const struct nls_table *nls_codepage,
238 int remap_special_chars);
2d785a50
SF		 239extern int CIFSPOSIXDelFile(const int xid, struct cifsTconInfo *tcon,
240 const char *name, __u16 type,
241 const struct nls_table *nls_codepage,
242 int remap_special_chars);
1da177e4
LT		 243extern int CIFSSMBDelFile(const int xid, struct cifsTconInfo *tcon,
244 const char *name,
737b758c
SF		 245 const struct nls_table *nls_codepage,
246 int remap_special_chars);
1da177e4
LT		 247extern int CIFSSMBRename(const int xid, struct cifsTconInfo *tcon,
248 const char *fromName, const char *toName,
737b758c
SF		 249 const struct nls_table *nls_codepage,
250 int remap_special_chars);
d38d8c74 251extern int CIFSSMBRenameOpenFile(const int xid, struct cifsTconInfo *pTcon,
391e5755 252 int netfid, const char *target_name,
737b758c
SF		 253 const struct nls_table *nls_codepage,
254 int remap_special_chars);
1da177e4
LT		 255extern int CIFSCreateHardLink(const int xid,
256 struct cifsTconInfo *tcon,
257 const char *fromName, const char *toName,
737b758c
SF		 258 const struct nls_table *nls_codepage,
259 int remap_special_chars);
1da177e4
LT		 260extern int CIFSUnixCreateHardLink(const int xid,
261 struct cifsTconInfo *tcon,
262 const char *fromName, const char *toName,
d38d8c74 263 const struct nls_table *nls_codepage,
737b758c 264 int remap_special_chars);
1da177e4
LT		 265extern int CIFSUnixCreateSymLink(const int xid,
266 struct cifsTconInfo *tcon,
267 const char *fromName, const char *toName,
268 const struct nls_table *nls_codepage);
269extern int CIFSSMBUnixQuerySymLink(const int xid,
270 struct cifsTconInfo *tcon,
460b9696 271 const unsigned char *searchName, char **syminfo,
1da177e4 272 const struct nls_table *nls_codepage);
d38d8c74 273extern int CIFSSMBQueryReparseLinkInfo(const int xid,
1da177e4
LT		 274 struct cifsTconInfo *tcon,
275 const unsigned char *searchName,
276 char *symlinkinfo, const int buflen, __u16 fid,
277 const struct nls_table *nls_codepage);
278
279extern int CIFSSMBOpen(const int xid, struct cifsTconInfo *tcon,
280 const char *fileName, const int disposition,
281 const int access_flags, const int omode,
8840dee9 282 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
737b758c 283 const struct nls_table *nls_codepage, int remap);
a9d02ad4
SF		 284extern int SMBLegacyOpen(const int xid, struct cifsTconInfo *tcon,
285 const char *fileName, const int disposition,
286 const int access_flags, const int omode,
8840dee9 287 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
a9d02ad4 288 const struct nls_table *nls_codepage, int remap);
d38d8c74 289extern int CIFSPOSIXCreate(const int xid, struct cifsTconInfo *tcon,
8840dee9 290 u32 posix_flags, __u64 mode, __u16 *netfid,
2dd29d31
SF		 291 FILE_UNIX_BASIC_INFO *pRetData,
292 __u32 *pOplock, const char *name,
d38d8c74 293 const struct nls_table *nls_codepage, int remap);
1da177e4
LT		 294extern int CIFSSMBClose(const int xid, struct cifsTconInfo *tcon,
295 const int smb_file_id);
296
b298f223
SF		 297extern int CIFSSMBFlush(const int xid, struct cifsTconInfo *tcon,
298 const int smb_file_id);
299
1da177e4 300extern int CIFSSMBRead(const int xid, struct cifsTconInfo *tcon,
d38d8c74
SF		 301 const int netfid, unsigned int count,
302 const __u64 lseek, unsigned int *nbytes, char **buf,
303 int *return_buf_type);
1da177e4
LT		 304extern int CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon,
305 const int netfid, const unsigned int count,
306 const __u64 lseek, unsigned int *nbytes,
d38d8c74 307 const char *buf, const char __user *ubuf,
1da177e4 308 const int long_op);
1da177e4
LT		 309extern int CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon,
310 const int netfid, const unsigned int count,
d38d8c74 311 const __u64 offset, unsigned int *nbytes,
3e84469d 312 struct kvec *iov, const int nvec, const int long_op);
1da177e4 313extern int CIFSGetSrvInodeNumber(const int xid, struct cifsTconInfo *tcon,
8840dee9 314 const unsigned char *searchName, __u64 *inode_number,
d38d8c74 315 const struct nls_table *nls_codepage,
737b758c 316 int remap_special_chars);
d38d8c74
SF		 317extern int cifsConvertToUCS(__le16 *target, const char *source, int maxlen,
318 const struct nls_table *cp, int mapChars);
1da177e4
LT		 319
320extern int CIFSSMBLock(const int xid, struct cifsTconInfo *tcon,
321 const __u16 netfid, const __u64 len,
322 const __u64 offset, const __u32 numUnlock,
323 const __u32 numLock, const __u8 lockType,
4b18f2a9 324 const bool waitFlag);
08547b03
SF		 325extern int CIFSSMBPosixLock(const int xid, struct cifsTconInfo *tcon,
326 const __u16 smb_file_id, const int get_flag,
d38d8c74 327 const __u64 len, struct file_lock *,
4b18f2a9 328 const __u16 lock_type, const bool waitFlag);
1da177e4
LT		 329extern int CIFSSMBTDis(const int xid, struct cifsTconInfo *tcon);
330extern int CIFSSMBLogoff(const int xid, struct cifsSesInfo *ses);
331
332extern struct cifsSesInfo *sesInfoAlloc(void);
333extern void sesInfoFree(struct cifsSesInfo *);
334extern struct cifsTconInfo *tconInfoAlloc(void);
335extern void tconInfoFree(struct cifsTconInfo *);
336
d38d8c74 337extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
84afc29b
SF		 338extern int cifs_sign_smb2(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
339 __u32 *);
b609f06a
SF		 340extern int cifs_verify_signature(struct smb_hdr *,
341 const struct mac_key *mac_key,
342 __u32 expected_sequence_number);
343extern int cifs_calculate_mac_key(struct mac_key *key, const char *rn,
344 const char *pass);
d38d8c74 345extern int CalcNTLMv2_partial_mac_key(struct cifsSesInfo *,
1717ffc5 346 const struct nls_table *);
26f57364 347extern void CalcNTLMv2_response(const struct cifsSesInfo *, char *);
d38d8c74 348extern void setup_ntlmv2_rsp(struct cifsSesInfo *, char *,
1717ffc5 349 const struct nls_table *);
7c7b25bc 350#ifdef CONFIG_CIFS_WEAK_PW_HASH
4e53a3fb
JL		 351extern void calc_lanman_hash(const char *password, const char *cryptkey,
352 bool encrypt, char *lnm_session_key);
7c7b25bc 353#endif /* CIFS_WEAK_PW_HASH */
1da177e4
LT		 354extern int CIFSSMBCopy(int xid,
355 struct cifsTconInfo *source_tcon,
356 const char *fromName,
357 const __u16 target_tid,
358 const char *toName, const int flags,
50c2f753 359 const struct nls_table *nls_codepage,
737b758c 360 int remap_special_chars);
50c2f753 361extern int CIFSSMBNotify(const int xid, struct cifsTconInfo *tcon,
d38d8c74
SF		 362 const int notify_subdirs, const __u16 netfid,
363 __u32 filter, struct file *file, int multishot,
167a251a 364 const struct nls_table *nls_codepage);
1da177e4 365extern ssize_t CIFSSMBQAllEAs(const int xid, struct cifsTconInfo *tcon,
d38d8c74 366 const unsigned char *searchName, char *EAData,
737b758c
SF		 367 size_t bufsize, const struct nls_table *nls_codepage,
368 int remap_special_chars);
d38d8c74 369extern ssize_t CIFSSMBQueryEA(const int xid, struct cifsTconInfo *tcon,
50c2f753 370 const unsigned char *searchName, const unsigned char *ea_name,
d38d8c74 371 unsigned char *ea_value, size_t buf_size,
737b758c 372 const struct nls_table *nls_codepage, int remap_special_chars);
d38d8c74
SF		 373extern int CIFSSMBSetEA(const int xid, struct cifsTconInfo *tcon,
374 const char *fileName, const char *ea_name,
375 const void *ea_value, const __u16 ea_value_len,
737b758c 376 const struct nls_table *nls_codepage, int remap_special_chars);
0a4b92c0 377extern int CIFSSMBGetCIFSACL(const int xid, struct cifsTconInfo *tcon,
630f3f0c 378 __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen);
97837582
SF		 379extern int CIFSSMBSetCIFSACL(const int, struct cifsTconInfo *, __u16,
380 struct cifs_ntsd *, __u32);
1da177e4
LT		 381extern int CIFSSMBGetPosixACL(const int xid, struct cifsTconInfo *tcon,
382 const unsigned char *searchName,
d38d8c74 383 char *acl_inf, const int buflen, const int acl_type,
737b758c 384 const struct nls_table *nls_codepage, int remap_special_chars);
1da177e4
LT		 385extern int CIFSSMBSetPosixACL(const int xid, struct cifsTconInfo *tcon,
386 const unsigned char *fileName,
387 const char *local_acl, const int buflen, const int acl_type,
737b758c 388 const struct nls_table *nls_codepage, int remap_special_chars);
f654bac2 389extern int CIFSGetExtAttr(const int xid, struct cifsTconInfo *tcon,
8840dee9 390 const int netfid, __u64 *pExtAttrBits, __u64 *pMask);
ec06aedd 391extern void cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb);
1da177e4 392#endif /* _CIFSPROTO_H */
Linux 6.x block layer and io_uring tree(s)