diff options
Diffstat (limited to 'fs/smb')
-rw-r--r-- | fs/smb/client/cifs_debug.c | 2 | ||||
-rw-r--r-- | fs/smb/client/cifsfs.c | 8 | ||||
-rw-r--r-- | fs/smb/client/cifsfs.h | 4 | ||||
-rw-r--r-- | fs/smb/client/cifsglob.h | 36 | ||||
-rw-r--r-- | fs/smb/client/cifsproto.h | 2 | ||||
-rw-r--r-- | fs/smb/client/connect.c | 24 | ||||
-rw-r--r-- | fs/smb/client/file.c | 24 | ||||
-rw-r--r-- | fs/smb/client/inode.c | 17 | ||||
-rw-r--r-- | fs/smb/client/ioctl.c | 32 | ||||
-rw-r--r-- | fs/smb/client/misc.c | 65 | ||||
-rw-r--r-- | fs/smb/client/reparse.c | 4 | ||||
-rw-r--r-- | fs/smb/client/reparse.h | 19 | ||||
-rw-r--r-- | fs/smb/client/smb2inode.c | 8 | ||||
-rw-r--r-- | fs/smb/client/smb2ops.c | 20 | ||||
-rw-r--r-- | fs/smb/client/smb2pdu.c | 11 | ||||
-rw-r--r-- | fs/smb/client/smbdirect.c | 8 | ||||
-rw-r--r-- | fs/smb/client/trace.h | 201 | ||||
-rw-r--r-- | fs/smb/client/transport.c | 2 | ||||
-rw-r--r-- | fs/smb/common/smb2pdu.h | 2 | ||||
-rw-r--r-- | fs/smb/server/mgmt/share_config.c | 15 | ||||
-rw-r--r-- | fs/smb/server/mgmt/share_config.h | 4 | ||||
-rw-r--r-- | fs/smb/server/mgmt/tree_connect.c | 9 | ||||
-rw-r--r-- | fs/smb/server/mgmt/tree_connect.h | 4 | ||||
-rw-r--r-- | fs/smb/server/smb2pdu.c | 9 | ||||
-rw-r--r-- | fs/smb/server/smb_common.c | 9 | ||||
-rw-r--r-- | fs/smb/server/smb_common.h | 2 |
26 files changed, 401 insertions, 140 deletions
diff --git a/fs/smb/client/cifs_debug.c b/fs/smb/client/cifs_debug.c index c71ae5c04306..4a20e92474b2 100644 --- a/fs/smb/client/cifs_debug.c +++ b/fs/smb/client/cifs_debug.c @@ -1072,7 +1072,7 @@ static int cifs_security_flags_proc_open(struct inode *inode, struct file *file) static void cifs_security_flags_handle_must_flags(unsigned int *flags) { - unsigned int signflags = *flags & CIFSSEC_MUST_SIGN; + unsigned int signflags = *flags & (CIFSSEC_MUST_SIGN | CIFSSEC_MUST_SEAL); if ((*flags & CIFSSEC_MUST_KRB5) == CIFSSEC_MUST_KRB5) *flags = CIFSSEC_MUST_KRB5; diff --git a/fs/smb/client/cifsfs.c b/fs/smb/client/cifsfs.c index c92937bed133..2c4b357d85e2 100644 --- a/fs/smb/client/cifsfs.c +++ b/fs/smb/client/cifsfs.c @@ -1894,12 +1894,12 @@ init_cifs(void) WQ_FREEZABLE|WQ_MEM_RECLAIM, 0); if (!serverclose_wq) { rc = -ENOMEM; - goto out_destroy_serverclose_wq; + goto out_destroy_deferredclose_wq; } rc = cifs_init_inodecache(); if (rc) - goto out_destroy_deferredclose_wq; + goto out_destroy_serverclose_wq; rc = cifs_init_netfs(); if (rc) @@ -1967,6 +1967,8 @@ out_destroy_netfs: cifs_destroy_netfs(); out_destroy_inodecache: cifs_destroy_inodecache(); +out_destroy_serverclose_wq: + destroy_workqueue(serverclose_wq); out_destroy_deferredclose_wq: destroy_workqueue(deferredclose_wq); out_destroy_cifsoplockd_wq: @@ -1977,8 +1979,6 @@ out_destroy_decrypt_wq: destroy_workqueue(decrypt_wq); out_destroy_cifsiod_wq: destroy_workqueue(cifsiod_wq); -out_destroy_serverclose_wq: - destroy_workqueue(serverclose_wq); out_clean_proc: cifs_proc_clean(); return rc; diff --git a/fs/smb/client/cifsfs.h b/fs/smb/client/cifsfs.h index 62d5fee3e5eb..ca2bd204bcc5 100644 --- a/fs/smb/client/cifsfs.h +++ b/fs/smb/client/cifsfs.h @@ -147,6 +147,6 @@ extern const struct export_operations cifs_export_ops; #endif /* CONFIG_CIFS_NFSD_EXPORT */ /* when changing internal version - update following two lines at same time */ -#define SMB3_PRODUCT_BUILD 49 -#define CIFS_VERSION "2.49" +#define SMB3_PRODUCT_BUILD 50 +#define CIFS_VERSION "2.50" #endif /* _CIFSFS_H */ diff --git a/fs/smb/client/cifsglob.h b/fs/smb/client/cifsglob.h index 8e86fec7dcd2..5c9b3e6cd95f 100644 --- a/fs/smb/client/cifsglob.h +++ b/fs/smb/client/cifsglob.h @@ -345,7 +345,7 @@ struct smb_version_operations { /* connect to a server share */ int (*tree_connect)(const unsigned int, struct cifs_ses *, const char *, struct cifs_tcon *, const struct nls_table *); - /* close tree connecion */ + /* close tree connection */ int (*tree_disconnect)(const unsigned int, struct cifs_tcon *); /* get DFS referrals */ int (*get_dfs_refer)(const unsigned int, struct cifs_ses *, @@ -816,7 +816,7 @@ struct TCP_Server_Info { * Protected by @refpath_lock and @srv_lock. The @refpath_lock is * mostly used for not requiring a copy of @leaf_fullpath when getting * cached or new DFS referrals (which might also sleep during I/O). - * While @srv_lock is held for making string and NULL comparions against + * While @srv_lock is held for making string and NULL comparisons against * both fields as in mount(2) and cache refresh. * * format: \\HOST\SHARE[\OPTIONAL PATH] @@ -1471,29 +1471,6 @@ struct cifs_io_parms { struct TCP_Server_Info *server; }; -struct cifs_aio_ctx { - struct kref refcount; - struct list_head list; - struct mutex aio_mutex; - struct completion done; - struct iov_iter iter; - struct kiocb *iocb; - struct cifsFileInfo *cfile; - struct bio_vec *bv; - loff_t pos; - unsigned int nr_pinned_pages; - ssize_t rc; - unsigned int len; - unsigned int total_len; - unsigned int bv_need_unpin; /* If ->bv[] needs unpinning */ - bool should_dirty; - /* - * Indicates if this aio_ctx is for direct_io, - * If yes, iter is a copy of the user passed iov_iter - */ - bool direct_io; -}; - struct cifs_io_request { struct netfs_io_request rreq; struct cifsFileInfo *cfile; @@ -1904,7 +1881,7 @@ static inline bool is_replayable_error(int error) #define CIFSSEC_MAY_SIGN 0x00001 #define CIFSSEC_MAY_NTLMV2 0x00004 #define CIFSSEC_MAY_KRB5 0x00008 -#define CIFSSEC_MAY_SEAL 0x00040 /* not supported yet */ +#define CIFSSEC_MAY_SEAL 0x00040 #define CIFSSEC_MAY_NTLMSSP 0x00080 /* raw ntlmssp with ntlmv2 */ #define CIFSSEC_MUST_SIGN 0x01001 @@ -1914,11 +1891,11 @@ require use of the stronger protocol */ #define CIFSSEC_MUST_NTLMV2 0x04004 #define CIFSSEC_MUST_KRB5 0x08008 #ifdef CONFIG_CIFS_UPCALL -#define CIFSSEC_MASK 0x8F08F /* flags supported if no weak allowed */ +#define CIFSSEC_MASK 0xCF0CF /* flags supported if no weak allowed */ #else -#define CIFSSEC_MASK 0x87087 /* flags supported if no weak allowed */ +#define CIFSSEC_MASK 0xC70C7 /* flags supported if no weak allowed */ #endif /* UPCALL */ -#define CIFSSEC_MUST_SEAL 0x40040 /* not supported yet */ +#define CIFSSEC_MUST_SEAL 0x40040 #define CIFSSEC_MUST_NTLMSSP 0x80080 /* raw ntlmssp with ntlmv2 */ #define CIFSSEC_DEF (CIFSSEC_MAY_SIGN | CIFSSEC_MAY_NTLMV2 | CIFSSEC_MAY_NTLMSSP | CIFSSEC_MAY_SEAL) @@ -2010,7 +1987,6 @@ require use of the stronger protocol */ * cifsFileInfo->file_info_lock cifsFileInfo->count cifs_new_fileinfo * ->invalidHandle initiate_cifs_search * ->oplock_break_cancelled - * cifs_aio_ctx->aio_mutex cifs_aio_ctx cifs_aio_ctx_alloc ****************************************************************************/ #ifdef DECLARE_GLOBALS_HERE diff --git a/fs/smb/client/cifsproto.h b/fs/smb/client/cifsproto.h index c15bb5ee7eb7..497bf3c447bc 100644 --- a/fs/smb/client/cifsproto.h +++ b/fs/smb/client/cifsproto.h @@ -619,8 +619,6 @@ int __cifs_calc_signature(struct smb_rqst *rqst, struct shash_desc *shash); enum securityEnum cifs_select_sectype(struct TCP_Server_Info *, enum securityEnum); -struct cifs_aio_ctx *cifs_aio_ctx_alloc(void); -void cifs_aio_ctx_release(struct kref *refcount); int cifs_alloc_hash(const char *name, struct shash_desc **sdesc); void cifs_free_hash(struct shash_desc **sdesc); diff --git a/fs/smb/client/connect.c b/fs/smb/client/connect.c index 7a16e12f5da8..d2307162a2de 100644 --- a/fs/smb/client/connect.c +++ b/fs/smb/client/connect.c @@ -2614,6 +2614,13 @@ cifs_get_tcon(struct cifs_ses *ses, struct smb3_fs_context *ctx) cifs_dbg(VFS, "Server does not support mounting with posix SMB3.11 extensions\n"); rc = -EOPNOTSUPP; goto out_fail; + } else if (ses->server->vals->protocol_id == SMB10_PROT_ID) + if (cap_unix(ses)) + cifs_dbg(FYI, "Unix Extensions requested on SMB1 mount\n"); + else { + cifs_dbg(VFS, "SMB1 Unix Extensions not supported by server\n"); + rc = -EOPNOTSUPP; + goto out_fail; } else { cifs_dbg(VFS, "Check vers= mount option. SMB3.11 disabled but required for POSIX extensions\n"); @@ -3686,6 +3693,7 @@ error: } #endif +#ifdef CONFIG_CIFS_ALLOW_INSECURE_LEGACY /* * Issue a TREE_CONNECT request. */ @@ -3807,11 +3815,25 @@ CIFSTCon(const unsigned int xid, struct cifs_ses *ses, else tcon->Flags = 0; cifs_dbg(FYI, "Tcon flags: 0x%x\n", tcon->Flags); - } + /* + * reset_cifs_unix_caps calls QFSInfo which requires + * need_reconnect to be false, but we would not need to call + * reset_caps if this were not a reconnect case so must check + * need_reconnect flag here. The caller will also clear + * need_reconnect when tcon was successful but needed to be + * cleared earlier in the case of unix extensions reconnect + */ + if (tcon->need_reconnect && tcon->unix_ext) { + cifs_dbg(FYI, "resetting caps for %s\n", tcon->tree_name); + tcon->need_reconnect = false; + reset_cifs_unix_caps(xid, tcon, NULL, NULL); + } + } cifs_buf_release(smb_buffer); return rc; } +#endif /* CONFIG_CIFS_ALLOW_INSECURE_LEGACY */ static void delayed_free(struct rcu_head *p) { diff --git a/fs/smb/client/file.c b/fs/smb/client/file.c index b2405dd4d4d4..1fc66bcf49eb 100644 --- a/fs/smb/client/file.c +++ b/fs/smb/client/file.c @@ -217,7 +217,8 @@ static void cifs_req_issue_read(struct netfs_io_subrequest *subreq) goto out; } - __set_bit(NETFS_SREQ_CLEAR_TAIL, &subreq->flags); + if (subreq->rreq->origin != NETFS_DIO_READ) + __set_bit(NETFS_SREQ_CLEAR_TAIL, &subreq->flags); rc = rdata->server->ops->async_readv(rdata); out: @@ -315,7 +316,7 @@ static void cifs_free_subrequest(struct netfs_io_subrequest *subreq) #endif } - if (rdata->credits.value != 0) + if (rdata->credits.value != 0) { trace_smb3_rw_credits(rdata->rreq->debug_id, rdata->subreq.debug_index, rdata->credits.value, @@ -323,8 +324,12 @@ static void cifs_free_subrequest(struct netfs_io_subrequest *subreq) rdata->server ? rdata->server->in_flight : 0, -rdata->credits.value, cifs_trace_rw_credits_free_subreq); + if (rdata->server) + add_credits_and_wake_if(rdata->server, &rdata->credits, 0); + else + rdata->credits.value = 0; + } - add_credits_and_wake_if(rdata->server, &rdata->credits, 0); if (rdata->have_xid) free_xid(rdata->xid); } @@ -2749,6 +2754,7 @@ cifs_writev(struct kiocb *iocb, struct iov_iter *from) struct inode *inode = file->f_mapping->host; struct cifsInodeInfo *cinode = CIFS_I(inode); struct TCP_Server_Info *server = tlink_tcon(cfile->tlink)->ses->server; + struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb); ssize_t rc; rc = netfs_start_io_write(inode); @@ -2765,12 +2771,16 @@ cifs_writev(struct kiocb *iocb, struct iov_iter *from) if (rc <= 0) goto out; - if (!cifs_find_lock_conflict(cfile, iocb->ki_pos, iov_iter_count(from), + if ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NOPOSIXBRL) && + (cifs_find_lock_conflict(cfile, iocb->ki_pos, iov_iter_count(from), server->vals->exclusive_lock_type, 0, - NULL, CIFS_WRITE_OP)) - rc = netfs_buffered_write_iter_locked(iocb, from, NULL); - else + NULL, CIFS_WRITE_OP))) { rc = -EACCES; + goto out; + } + + rc = netfs_buffered_write_iter_locked(iocb, from, NULL); + out: up_read(&cinode->lock_sem); netfs_end_io_write(inode); diff --git a/fs/smb/client/inode.c b/fs/smb/client/inode.c index 4a8aa1de9522..dd0afa23734c 100644 --- a/fs/smb/client/inode.c +++ b/fs/smb/client/inode.c @@ -1042,13 +1042,26 @@ static int reparse_info_to_fattr(struct cifs_open_info_data *data, } rc = -EOPNOTSUPP; - switch ((data->reparse.tag = tag)) { - case 0: /* SMB1 symlink */ + data->reparse.tag = tag; + if (!data->reparse.tag) { if (server->ops->query_symlink) { rc = server->ops->query_symlink(xid, tcon, cifs_sb, full_path, &data->symlink_target); } + if (rc == -EOPNOTSUPP) + data->reparse.tag = IO_REPARSE_TAG_INTERNAL; + } + + switch (data->reparse.tag) { + case 0: /* SMB1 symlink */ + break; + case IO_REPARSE_TAG_INTERNAL: + rc = 0; + if (le32_to_cpu(data->fi.Attributes) & ATTR_DIRECTORY) { + cifs_create_junction_fattr(fattr, sb); + goto out; + } break; case IO_REPARSE_TAG_MOUNT_POINT: cifs_create_junction_fattr(fattr, sb); diff --git a/fs/smb/client/ioctl.c b/fs/smb/client/ioctl.c index 855ac5a62edf..44dbaf9929a4 100644 --- a/fs/smb/client/ioctl.c +++ b/fs/smb/client/ioctl.c @@ -170,7 +170,10 @@ static long smb_mnt_get_fsinfo(unsigned int xid, struct cifs_tcon *tcon, static int cifs_shutdown(struct super_block *sb, unsigned long arg) { struct cifs_sb_info *sbi = CIFS_SB(sb); + struct tcon_link *tlink; + struct cifs_tcon *tcon; __u32 flags; + int rc; if (!capable(CAP_SYS_ADMIN)) return -EPERM; @@ -178,14 +181,21 @@ static int cifs_shutdown(struct super_block *sb, unsigned long arg) if (get_user(flags, (__u32 __user *)arg)) return -EFAULT; - if (flags > CIFS_GOING_FLAGS_NOLOGFLUSH) - return -EINVAL; + tlink = cifs_sb_tlink(sbi); + if (IS_ERR(tlink)) + return PTR_ERR(tlink); + tcon = tlink_tcon(tlink); + + trace_smb3_shutdown_enter(flags, tcon->tid); + if (flags > CIFS_GOING_FLAGS_NOLOGFLUSH) { + rc = -EINVAL; + goto shutdown_out_err; + } if (cifs_forced_shutdown(sbi)) - return 0; + goto shutdown_good; cifs_dbg(VFS, "shut down requested (%d)", flags); -/* trace_cifs_shutdown(sb, flags);*/ /* * see: @@ -201,7 +211,8 @@ static int cifs_shutdown(struct super_block *sb, unsigned long arg) */ case CIFS_GOING_FLAGS_DEFAULT: cifs_dbg(FYI, "shutdown with default flag not supported\n"); - return -EINVAL; + rc = -EINVAL; + goto shutdown_out_err; /* * FLAGS_LOGFLUSH is easy since it asks to write out metadata (not * data) but metadata writes are not cached on the client, so can treat @@ -210,11 +221,18 @@ static int cifs_shutdown(struct super_block *sb, unsigned long arg) case CIFS_GOING_FLAGS_LOGFLUSH: case CIFS_GOING_FLAGS_NOLOGFLUSH: sbi->mnt_cifs_flags |= CIFS_MOUNT_SHUTDOWN; - return 0; + goto shutdown_good; default: - return -EINVAL; + rc = -EINVAL; + goto shutdown_out_err; } + +shutdown_good: + trace_smb3_shutdown_done(flags, tcon->tid); return 0; +shutdown_out_err: + trace_smb3_shutdown_err(rc, flags, tcon->tid); + return rc; } static int cifs_dump_full_key(struct cifs_tcon *tcon, struct smb3_full_key_debug_info __user *in) diff --git a/fs/smb/client/misc.c b/fs/smb/client/misc.c index 07c468ddb88a..c6f11e6f9eb9 100644 --- a/fs/smb/client/misc.c +++ b/fs/smb/client/misc.c @@ -352,7 +352,7 @@ checkSMB(char *buf, unsigned int total_read, struct TCP_Server_Info *server) * on simple responses (wct, bcc both zero) * in particular have seen this on * ulogoffX and FindClose. This leaves - * one byte of bcc potentially unitialized + * one byte of bcc potentially uninitialized */ /* zero rest of bcc */ tmp[sizeof(struct smb_hdr)+1] = 0; @@ -995,60 +995,6 @@ parse_DFS_referrals_exit: return rc; } -struct cifs_aio_ctx * -cifs_aio_ctx_alloc(void) -{ - struct cifs_aio_ctx *ctx; - - /* - * Must use kzalloc to initialize ctx->bv to NULL and ctx->direct_io - * to false so that we know when we have to unreference pages within - * cifs_aio_ctx_release() - */ - ctx = kzalloc(sizeof(struct cifs_aio_ctx), GFP_KERNEL); - if (!ctx) - return NULL; - - INIT_LIST_HEAD(&ctx->list); - mutex_init(&ctx->aio_mutex); - init_completion(&ctx->done); - kref_init(&ctx->refcount); - return ctx; -} - -void -cifs_aio_ctx_release(struct kref *refcount) -{ - struct cifs_aio_ctx *ctx = container_of(refcount, - struct cifs_aio_ctx, refcount); - - cifsFileInfo_put(ctx->cfile); - - /* - * ctx->bv is only set if setup_aio_ctx_iter() was call successfuly - * which means that iov_iter_extract_pages() was a success and thus - * that we may have references or pins on pages that we need to - * release. - */ - if (ctx->bv) { - if (ctx->should_dirty || ctx->bv_need_unpin) { - unsigned int i; - - for (i = 0; i < ctx->nr_pinned_pages; i++) { - struct page *page = ctx->bv[i].bv_page; - - if (ctx->should_dirty) - set_page_dirty(page); - if (ctx->bv_need_unpin) - unpin_user_page(page); - } - } - kvfree(ctx->bv); - } - - kfree(ctx); -} - /** * cifs_alloc_hash - allocate hash and hash context together * @name: The name of the crypto hash algo @@ -1288,6 +1234,7 @@ int cifs_inval_name_dfs_link_error(const unsigned int xid, const char *full_path, bool *islink) { + struct TCP_Server_Info *server = tcon->ses->server; struct cifs_ses *ses = tcon->ses; size_t len; char *path; @@ -1304,12 +1251,12 @@ int cifs_inval_name_dfs_link_error(const unsigned int xid, !is_tcon_dfs(tcon)) return 0; - spin_lock(&tcon->tc_lock); - if (!tcon->origin_fullpath) { - spin_unlock(&tcon->tc_lock); + spin_lock(&server->srv_lock); + if (!server->leaf_fullpath) { + spin_unlock(&server->srv_lock); return 0; } - spin_unlock(&tcon->tc_lock); + spin_unlock(&server->srv_lock); /* * Slow path - tcon is DFS and @full_path has prefix path, so attempt diff --git a/fs/smb/client/reparse.c b/fs/smb/client/reparse.c index a0ffbda90733..689d8a506d45 100644 --- a/fs/smb/client/reparse.c +++ b/fs/smb/client/reparse.c @@ -505,6 +505,10 @@ bool cifs_reparse_point_to_fattr(struct cifs_sb_info *cifs_sb, } switch (tag) { + case IO_REPARSE_TAG_INTERNAL: + if (!(fattr->cf_cifsattrs & ATTR_DIRECTORY)) + return false; + fallthrough; case IO_REPARSE_TAG_DFS: case IO_REPARSE_TAG_DFSR: case IO_REPARSE_TAG_MOUNT_POINT: diff --git a/fs/smb/client/reparse.h b/fs/smb/client/reparse.h index 6b55d1df9e2f..2c0644bc4e65 100644 --- a/fs/smb/client/reparse.h +++ b/fs/smb/client/reparse.h @@ -12,6 +12,12 @@ #include "fs_context.h" #include "cifsglob.h" +/* + * Used only by cifs.ko to ignore reparse points from files when client or + * server doesn't support FSCTL_GET_REPARSE_POINT. + */ +#define IO_REPARSE_TAG_INTERNAL ((__u32)~0U) + static inline dev_t reparse_nfs_mkdev(struct reparse_posix_data *buf) { u64 v = le64_to_cpu(*(__le64 *)buf->DataBuffer); @@ -78,10 +84,19 @@ static inline u32 reparse_mode_wsl_tag(mode_t mode) static inline bool reparse_inode_match(struct inode *inode, struct cifs_fattr *fattr) { + struct cifsInodeInfo *cinode = CIFS_I(inode); struct timespec64 ctime = inode_get_ctime(inode); - return (CIFS_I(inode)->cifsAttrs & ATTR_REPARSE) && - CIFS_I(inode)->reparse_tag == fattr->cf_cifstag && + /* + * Do not match reparse tags when client or server doesn't support + * FSCTL_GET_REPARSE_POINT. @fattr->cf_cifstag should contain correct + * reparse tag from query dir response but the client won't be able to + * read the reparse point data anyway. This spares us a revalidation. + */ + if (cinode->reparse_tag != IO_REPARSE_TAG_INTERNAL && + cinode->reparse_tag != fattr->cf_cifstag) + return false; + return (cinode->cifsAttrs & ATTR_REPARSE) && timespec64_equal(&ctime, &fattr->cf_ctime); } diff --git a/fs/smb/client/smb2inode.c b/fs/smb/client/smb2inode.c index 5c02a12251c8..9f5bc41433c1 100644 --- a/fs/smb/client/smb2inode.c +++ b/fs/smb/client/smb2inode.c @@ -930,6 +930,8 @@ int smb2_query_path_info(const unsigned int xid, switch (rc) { case 0: + rc = parse_create_response(data, cifs_sb, &out_iov[0]); + break; case -EOPNOTSUPP: /* * BB TODO: When support for special files added to Samba @@ -948,7 +950,8 @@ int smb2_query_path_info(const unsigned int xid, cmds[num_cmds++] = SMB2_OP_GET_REPARSE; oparms = CIFS_OPARMS(cifs_sb, tcon, full_path, - FILE_READ_ATTRIBUTES | FILE_READ_EA, + FILE_READ_ATTRIBUTES | + FILE_READ_EA | SYNCHRONIZE, FILE_OPEN, create_options | OPEN_REPARSE_POINT, ACL_NO_MODE); cifs_get_readable_path(tcon, full_path, &cfile); @@ -1256,7 +1259,8 @@ int smb2_query_reparse_point(const unsigned int xid, cifs_dbg(FYI, "%s: path: %s\n", __func__, full_path); cifs_get_readable_path(tcon, full_path, &cfile); - oparms = CIFS_OPARMS(cifs_sb, tcon, full_path, FILE_READ_ATTRIBUTES, + oparms = CIFS_OPARMS(cifs_sb, tcon, full_path, + FILE_READ_ATTRIBUTES | FILE_READ_EA | SYNCHRONIZE, FILE_OPEN, OPEN_REPARSE_POINT, ACL_NO_MODE); rc = smb2_compound_op(xid, tcon, cifs_sb, full_path, &oparms, &in_iov, diff --git a/fs/smb/client/smb2ops.c b/fs/smb/client/smb2ops.c index 7fe59235f090..322cabc69c6f 100644 --- a/fs/smb/client/smb2ops.c +++ b/fs/smb/client/smb2ops.c @@ -1812,6 +1812,10 @@ smb2_copychunk_range(const unsigned int xid, tcon = tlink_tcon(trgtfile->tlink); + trace_smb3_copychunk_enter(xid, srcfile->fid.volatile_fid, + trgtfile->fid.volatile_fid, tcon->tid, + tcon->ses->Suid, src_off, dest_off, len); + while (len > 0) { pcchunk->SourceOffset = cpu_to_le64(src_off); pcchunk->TargetOffset = cpu_to_le64(dest_off); @@ -1863,6 +1867,9 @@ smb2_copychunk_range(const unsigned int xid, le32_to_cpu(retbuf->ChunksWritten), le32_to_cpu(retbuf->ChunkBytesWritten), bytes_written); + trace_smb3_copychunk_done(xid, srcfile->fid.volatile_fid, + trgtfile->fid.volatile_fid, tcon->tid, + tcon->ses->Suid, src_off, dest_off, len); } else if (rc == -EINVAL) { if (ret_data_len != sizeof(struct copychunk_ioctl_rsp)) goto cchunk_out; @@ -2046,7 +2053,9 @@ smb2_duplicate_extents(const unsigned int xid, dup_ext_buf.ByteCount = cpu_to_le64(len); cifs_dbg(FYI, "Duplicate extents: src off %lld dst off %lld len %lld\n", src_off, dest_off, len); - + trace_smb3_clone_enter(xid, srcfile->fid.volatile_fid, + trgtfile->fid.volatile_fid, tcon->tid, + tcon->ses->Suid, src_off, dest_off, len); inode = d_inode(trgtfile->dentry); if (inode->i_size < dest_off + len) { rc = smb2_set_file_size(xid, tcon, trgtfile, dest_off + len, false); @@ -2075,6 +2084,15 @@ smb2_duplicate_extents(const unsigned int xid, cifs_dbg(FYI, "Non-zero response length in duplicate extents\n"); duplicate_extents_out: + if (rc) + trace_smb3_clone_err(xid, srcfile->fid.volatile_fid, + trgtfile->fid.volatile_fid, + tcon->tid, tcon->ses->Suid, src_off, + dest_off, len, rc); + else + trace_smb3_clone_done(xid, srcfile->fid.volatile_fid, + trgtfile->fid.volatile_fid, tcon->tid, + tcon->ses->Suid, src_off, dest_off, len); return rc; } diff --git a/fs/smb/client/smb2pdu.c b/fs/smb/client/smb2pdu.c index 9fc5b11c0b6c..83facb54276a 100644 --- a/fs/smb/client/smb2pdu.c +++ b/fs/smb/client/smb2pdu.c @@ -82,6 +82,9 @@ int smb3_encryption_required(const struct cifs_tcon *tcon) if (tcon->seal && (tcon->ses->server->capabilities & SMB2_GLOBAL_CAP_ENCRYPTION)) return 1; + if (((global_secflags & CIFSSEC_MUST_SEAL) == CIFSSEC_MUST_SEAL) && + (tcon->ses->server->capabilities & SMB2_GLOBAL_CAP_ENCRYPTION)) + return 1; return 0; } @@ -1562,8 +1565,14 @@ SMB2_sess_sendreceive(struct SMB2_sess_data *sess_data) cifs_small_buf_release(sess_data->iov[0].iov_base); if (rc == 0) sess_data->ses->expired_pwd = false; - else if ((rc == -EACCES) || (rc == -EKEYEXPIRED) || (rc == -EKEYREVOKED)) + else if ((rc == -EACCES) || (rc == -EKEYEXPIRED) || (rc == -EKEYREVOKED)) { + if (sess_data->ses->expired_pwd == false) + trace_smb3_key_expired(sess_data->server->hostname, + sess_data->ses->user_name, + sess_data->server->conn_id, + &sess_data->server->dstaddr, rc); sess_data->ses->expired_pwd = true; + } memcpy(&sess_data->iov[0], &rsp_iov, sizeof(struct kvec)); diff --git a/fs/smb/client/smbdirect.c b/fs/smb/client/smbdirect.c index d74e829de51c..7bcc379014ca 100644 --- a/fs/smb/client/smbdirect.c +++ b/fs/smb/client/smbdirect.c @@ -406,7 +406,7 @@ static void smbd_post_send_credits(struct work_struct *work) else response = get_empty_queue_buffer(info); if (!response) { - /* now switch to emtpy packet queue */ + /* now switch to empty packet queue */ if (use_receive_queue) { use_receive_queue = 0; continue; @@ -618,7 +618,7 @@ out: /* * Test if FRWR (Fast Registration Work Requests) is supported on the device - * This implementation requries FRWR on RDMA read/write + * This implementation requires FRWR on RDMA read/write * return value: true if it is supported */ static bool frwr_is_supported(struct ib_device_attr *attrs) @@ -2177,7 +2177,7 @@ cleanup_entries: * MR available in the list. It may access the list while the * smbd_mr_recovery_work is recovering the MR list. This doesn't need a lock * as they never modify the same places. However, there may be several CPUs - * issueing I/O trying to get MR at the same time, mr_list_lock is used to + * issuing I/O trying to get MR at the same time, mr_list_lock is used to * protect this situation. */ static struct smbd_mr *get_mr(struct smbd_connection *info) @@ -2311,7 +2311,7 @@ struct smbd_mr *smbd_register_mr(struct smbd_connection *info, /* * There is no need for waiting for complemtion on ib_post_send * on IB_WR_REG_MR. Hardware enforces a barrier and order of execution - * on the next ib_post_send when we actaully send I/O to remote peer + * on the next ib_post_send when we actually send I/O to remote peer */ rc = ib_post_send(info->id->qp, ®_wr->wr, NULL); if (!rc) diff --git a/fs/smb/client/trace.h b/fs/smb/client/trace.h index 36d5295c2a6f..0f0c10c7ada7 100644 --- a/fs/smb/client/trace.h +++ b/fs/smb/client/trace.h @@ -206,6 +206,116 @@ DEFINE_SMB3_OTHER_ERR_EVENT(query_dir_err); DEFINE_SMB3_OTHER_ERR_EVENT(zero_err); DEFINE_SMB3_OTHER_ERR_EVENT(falloc_err); +/* + * For logging errors in reflink and copy_range ops e.g. smb2_copychunk_range + * and smb2_duplicate_extents + */ +DECLARE_EVENT_CLASS(smb3_copy_range_err_class, + TP_PROTO(unsigned int xid, + __u64 src_fid, + __u64 target_fid, + __u32 tid, + __u64 sesid, + __u64 src_offset, + __u64 target_offset, + __u32 len, + int rc), + TP_ARGS(xid, src_fid, target_fid, tid, sesid, src_offset, target_offset, len, rc), + TP_STRUCT__entry( + __field(unsigned int, xid) + __field(__u64, src_fid) + __field(__u64, target_fid) + __field(__u32, tid) + __field(__u64, sesid) + __field(__u64, src_offset) + __field(__u64, target_offset) + __field(__u32, len) + __field(int, rc) + ), + TP_fast_assign( + __entry->xid = xid; + __entry->src_fid = src_fid; + __entry->target_fid = target_fid; + __entry->tid = tid; + __entry->sesid = sesid; + __entry->src_offset = src_offset; + __entry->target_offset = target_offset; + __entry->len = len; + __entry->rc = rc; + ), + TP_printk("\txid=%u sid=0x%llx tid=0x%x source fid=0x%llx source offset=0x%llx target fid=0x%llx target offset=0x%llx len=0x%x rc=%d", + __entry->xid, __entry->sesid, __entry->tid, __entry->target_fid, + __entry->src_offset, __entry->target_fid, __entry->target_offset, __entry->len, __entry->rc) +) + +#define DEFINE_SMB3_COPY_RANGE_ERR_EVENT(name) \ +DEFINE_EVENT(smb3_copy_range_err_class, smb3_##name, \ + TP_PROTO(unsigned int xid, \ + __u64 src_fid, \ + __u64 target_fid, \ + __u32 tid, \ + __u64 sesid, \ + __u64 src_offset, \ + __u64 target_offset, \ + __u32 len, \ + int rc), \ + TP_ARGS(xid, src_fid, target_fid, tid, sesid, src_offset, target_offset, len, rc)) + +DEFINE_SMB3_COPY_RANGE_ERR_EVENT(clone_err); +/* TODO: Add SMB3_COPY_RANGE_ERR_EVENT(copychunk_err) */ + +DECLARE_EVENT_CLASS(smb3_copy_range_done_class, + TP_PROTO(unsigned int xid, + __u64 src_fid, + __u64 target_fid, + __u32 tid, + __u64 sesid, + __u64 src_offset, + __u64 target_offset, + __u32 len), + TP_ARGS(xid, src_fid, target_fid, tid, sesid, src_offset, target_offset, len), + TP_STRUCT__entry( + __field(unsigned int, xid) + __field(__u64, src_fid) + __field(__u64, target_fid) + __field(__u32, tid) + __field(__u64, sesid) + __field(__u64, src_offset) + __field(__u64, target_offset) + __field(__u32, len) + ), + TP_fast_assign( + __entry->xid = xid; + __entry->src_fid = src_fid; + __entry->target_fid = target_fid; + __entry->tid = tid; + __entry->sesid = sesid; + __entry->src_offset = src_offset; + __entry->target_offset = target_offset; + __entry->len = len; + ), + TP_printk("\txid=%u sid=0x%llx tid=0x%x source fid=0x%llx source offset=0x%llx target fid=0x%llx target offset=0x%llx len=0x%x", + __entry->xid, __entry->sesid, __entry->tid, __entry->target_fid, + __entry->src_offset, __entry->target_fid, __entry->target_offset, __entry->len) +) + +#define DEFINE_SMB3_COPY_RANGE_DONE_EVENT(name) \ +DEFINE_EVENT(smb3_copy_range_done_class, smb3_##name, \ + TP_PROTO(unsigned int xid, \ + __u64 src_fid, \ + __u64 target_fid, \ + __u32 tid, \ + __u64 sesid, \ + __u64 src_offset, \ + __u64 target_offset, \ + __u32 len), \ + TP_ARGS(xid, src_fid, target_fid, tid, sesid, src_offset, target_offset, len)) + +DEFINE_SMB3_COPY_RANGE_DONE_EVENT(copychunk_enter); +DEFINE_SMB3_COPY_RANGE_DONE_EVENT(clone_enter); +DEFINE_SMB3_COPY_RANGE_DONE_EVENT(copychunk_done); +DEFINE_SMB3_COPY_RANGE_DONE_EVENT(clone_done); + /* For logging successful read or write */ DECLARE_EVENT_CLASS(smb3_rw_done_class, @@ -1171,6 +1281,46 @@ DEFINE_EVENT(smb3_connect_err_class, smb3_##name, \ DEFINE_SMB3_CONNECT_ERR_EVENT(connect_err); +DECLARE_EVENT_CLASS(smb3_sess_setup_err_class, + TP_PROTO(char *hostname, char *username, __u64 conn_id, + const struct __kernel_sockaddr_storage *dst_addr, int rc), + TP_ARGS(hostname, username, conn_id, dst_addr, rc), + TP_STRUCT__entry( + __string(hostname, hostname) + __string(username, username) + __field(__u64, conn_id) + __array(__u8, dst_addr, sizeof(struct sockaddr_storage)) + __field(int, rc) + ), + TP_fast_assign( + struct sockaddr_storage *pss = NULL; + + __entry->conn_id = conn_id; + __entry->rc = rc; + pss = (struct sockaddr_storage *)__entry->dst_addr; + *pss = *dst_addr; + __assign_str(hostname); + __assign_str(username); + ), + TP_printk("rc=%d user=%s conn_id=0x%llx server=%s addr=%pISpsfc", + __entry->rc, + __get_str(username), + __entry->conn_id, + __get_str(hostname), + __entry->dst_addr) +) + +#define DEFINE_SMB3_SES_SETUP_ERR_EVENT(name) \ +DEFINE_EVENT(smb3_sess_setup_err_class, smb3_##name, \ + TP_PROTO(char *hostname, \ + char *username, \ + __u64 conn_id, \ + const struct __kernel_sockaddr_storage *addr, \ + int rc), \ + TP_ARGS(hostname, username, conn_id, addr, rc)) + +DEFINE_SMB3_SES_SETUP_ERR_EVENT(key_expired); + DECLARE_EVENT_CLASS(smb3_reconnect_class, TP_PROTO(__u64 currmid, __u64 conn_id, @@ -1238,7 +1388,7 @@ DECLARE_EVENT_CLASS(smb3_ioctl_class, __entry->command = command; ), TP_printk("xid=%u fid=0x%llx ioctl cmd=0x%x", - __entry->xid, __entry->fid, __entry->command) + __entry->xid, __entry->fid, __entry->command) ) #define DEFINE_SMB3_IOCTL_EVENT(name) \ @@ -1250,9 +1400,58 @@ DEFINE_EVENT(smb3_ioctl_class, smb3_##name, \ DEFINE_SMB3_IOCTL_EVENT(ioctl); +DECLARE_EVENT_CLASS(smb3_shutdown_class, + TP_PROTO(__u32 flags, + __u32 tid), + TP_ARGS(flags, tid), + TP_STRUCT__entry( + __field(__u32, flags) + __field(__u32, tid) + ), + TP_fast_assign( + __entry->flags = flags; + __entry->tid = tid; + ), + TP_printk("flags=0x%x tid=0x%x", + __entry->flags, __entry->tid) +) + +#define DEFINE_SMB3_SHUTDOWN_EVENT(name) \ +DEFINE_EVENT(smb3_shutdown_class, smb3_##name, \ + TP_PROTO(__u32 flags, \ + __u32 tid), \ + TP_ARGS(flags, tid)) + +DEFINE_SMB3_SHUTDOWN_EVENT(shutdown_enter); +DEFINE_SMB3_SHUTDOWN_EVENT(shutdown_done); +DECLARE_EVENT_CLASS(smb3_shutdown_err_class, + TP_PROTO(int rc, + __u32 flags, + __u32 tid), + TP_ARGS(rc, flags, tid), + TP_STRUCT__entry( + __field(int, rc) + __field(__u32, flags) + __field(__u32, tid) + ), + TP_fast_assign( + __entry->rc = rc; + __entry->flags = flags; + __entry->tid = tid; + ), + TP_printk("rc=%d flags=0x%x tid=0x%x", + __entry->rc, __entry->flags, __entry->tid) +) +#define DEFINE_SMB3_SHUTDOWN_ERR_EVENT(name) \ +DEFINE_EVENT(smb3_shutdown_err_class, smb3_##name, \ + TP_PROTO(int rc, \ + __u32 flags, \ + __u32 tid), \ + TP_ARGS(rc, flags, tid)) +DEFINE_SMB3_SHUTDOWN_ERR_EVENT(shutdown_err); DECLARE_EVENT_CLASS(smb3_credit_class, TP_PROTO(__u64 currmid, diff --git a/fs/smb/client/transport.c b/fs/smb/client/transport.c index adfe0d058701..6e68aaf5bd20 100644 --- a/fs/smb/client/transport.c +++ b/fs/smb/client/transport.c @@ -1289,7 +1289,7 @@ compound_send_recv(const unsigned int xid, struct cifs_ses *ses, out: /* * This will dequeue all mids. After this it is important that the - * demultiplex_thread will not process any of these mids any futher. + * demultiplex_thread will not process any of these mids any further. * This is prevented above by using a noop callback that will not * wake this thread except for the very last PDU. */ diff --git a/fs/smb/common/smb2pdu.h b/fs/smb/common/smb2pdu.h index c3ee42188d25..c769f9dbc0b4 100644 --- a/fs/smb/common/smb2pdu.h +++ b/fs/smb/common/smb2pdu.h @@ -1216,6 +1216,8 @@ struct create_context { ); __u8 Buffer[]; } __packed; +static_assert(offsetof(struct create_context, Buffer) == sizeof(struct create_context_hdr), + "struct member likely outside of __struct_group()"); struct smb2_create_req { struct smb2_hdr hdr; diff --git a/fs/smb/server/mgmt/share_config.c b/fs/smb/server/mgmt/share_config.c index e0a6b758094f..d8d03070ae44 100644 --- a/fs/smb/server/mgmt/share_config.c +++ b/fs/smb/server/mgmt/share_config.c @@ -15,6 +15,7 @@ #include "share_config.h" #include "user_config.h" #include "user_session.h" +#include "../connection.h" #include "../transport_ipc.h" #include "../misc.h" @@ -120,12 +121,13 @@ static int parse_veto_list(struct ksmbd_share_config *share, return 0; } -static struct ksmbd_share_config *share_config_request(struct unicode_map *um, +static struct ksmbd_share_config *share_config_request(struct ksmbd_work *work, const char *name) { struct ksmbd_share_config_response *resp; struct ksmbd_share_config *share = NULL; struct ksmbd_share_config *lookup; + struct unicode_map *um = work->conn->um; int ret; resp = ksmbd_ipc_share_config_request(name); @@ -181,7 +183,14 @@ static struct ksmbd_share_config *share_config_request(struct unicode_map *um, KSMBD_SHARE_CONFIG_VETO_LIST(resp), resp->veto_list_sz); if (!ret && share->path) { + if (__ksmbd_override_fsids(work, share)) { + kill_share(share); + share = NULL; + goto out; + } + ret = kern_path(share->path, 0, &share->vfs_path); + ksmbd_revert_fsids(work); if (ret) { ksmbd_debug(SMB, "failed to access '%s'\n", share->path); @@ -214,7 +223,7 @@ out: return share; } -struct ksmbd_share_config *ksmbd_share_config_get(struct unicode_map *um, +struct ksmbd_share_config *ksmbd_share_config_get(struct ksmbd_work *work, const char *name) { struct ksmbd_share_config *share; @@ -227,7 +236,7 @@ struct ksmbd_share_config *ksmbd_share_config_get(struct unicode_map *um, if (share) return share; - return share_config_request(um, name); + return share_config_request(work, name); } bool ksmbd_share_veto_filename(struct ksmbd_share_config *share, diff --git a/fs/smb/server/mgmt/share_config.h b/fs/smb/server/mgmt/share_config.h index 5f591751b923..d4ac2dd4de20 100644 --- a/fs/smb/server/mgmt/share_config.h +++ b/fs/smb/server/mgmt/share_config.h @@ -11,6 +11,8 @@ #include <linux/path.h> #include <linux/unicode.h> +struct ksmbd_work; + struct ksmbd_share_config { char *name; char *path; @@ -68,7 +70,7 @@ static inline void ksmbd_share_config_put(struct ksmbd_share_config *share) __ksmbd_share_config_put(share); } -struct ksmbd_share_config *ksmbd_share_config_get(struct unicode_map *um, +struct ksmbd_share_config *ksmbd_share_config_get(struct ksmbd_work *work, const char *name); bool ksmbd_share_veto_filename(struct ksmbd_share_config *share, const char *filename); diff --git a/fs/smb/server/mgmt/tree_connect.c b/fs/smb/server/mgmt/tree_connect.c index d2c81a8a11dd..94a52a75014a 100644 --- a/fs/smb/server/mgmt/tree_connect.c +++ b/fs/smb/server/mgmt/tree_connect.c @@ -16,17 +16,18 @@ #include "user_session.h" struct ksmbd_tree_conn_status -ksmbd_tree_conn_connect(struct ksmbd_conn *conn, struct ksmbd_session *sess, - const char *share_name) +ksmbd_tree_conn_connect(struct ksmbd_work *work, const char *share_name) { struct ksmbd_tree_conn_status status = {-ENOENT, NULL}; struct ksmbd_tree_connect_response *resp = NULL; struct ksmbd_share_config *sc; struct ksmbd_tree_connect *tree_conn = NULL; struct sockaddr *peer_addr; + struct ksmbd_conn *conn = work->conn; + struct ksmbd_session *sess = work->sess; int ret; - sc = ksmbd_share_config_get(conn->um, share_name); + sc = ksmbd_share_config_get(work, share_name); if (!sc) return status; @@ -61,7 +62,7 @@ ksmbd_tree_conn_connect(struct ksmbd_conn *conn, struct ksmbd_session *sess, struct ksmbd_share_config *new_sc; ksmbd_share_config_del(sc); - new_sc = ksmbd_share_config_get(conn->um, share_name); + new_sc = ksmbd_share_config_get(work, share_name); if (!new_sc) { pr_err("Failed to update stale share config\n"); status.ret = -ESTALE; diff --git a/fs/smb/server/mgmt/tree_connect.h b/fs/smb/server/mgmt/tree_connect.h index 6377a70b811c..a42cdd051041 100644 --- a/fs/smb/server/mgmt/tree_connect.h +++ b/fs/smb/server/mgmt/tree_connect.h @@ -13,6 +13,7 @@ struct ksmbd_share_config; struct ksmbd_user; struct ksmbd_conn; +struct ksmbd_work; enum { TREE_NEW = 0, @@ -50,8 +51,7 @@ static inline int test_tree_conn_flag(struct ksmbd_tree_connect *tree_conn, struct ksmbd_session; struct ksmbd_tree_conn_status -ksmbd_tree_conn_connect(struct ksmbd_conn *conn, struct ksmbd_session *sess, - const char *share_name); +ksmbd_tree_conn_connect(struct ksmbd_work *work, const char *share_name); void ksmbd_tree_connect_put(struct ksmbd_tree_connect *tcon); int ksmbd_tree_conn_disconnect(struct ksmbd_session *sess, diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c index 37a39ab4ee65..2df1354288e6 100644 --- a/fs/smb/server/smb2pdu.c +++ b/fs/smb/server/smb2pdu.c @@ -1955,7 +1955,7 @@ int smb2_tree_connect(struct ksmbd_work *work) ksmbd_debug(SMB, "tree connect request for tree %s treename %s\n", name, treename); - status = ksmbd_tree_conn_connect(conn, sess, name); + status = ksmbd_tree_conn_connect(work, name); if (status.ret == KSMBD_TREE_CONN_STATUS_OK) rsp->hdr.Id.SyncId.TreeId = cpu_to_le32(status.tree_conn->id); else @@ -5596,6 +5596,11 @@ int smb2_query_info(struct ksmbd_work *work) ksmbd_debug(SMB, "GOT query info request\n"); + if (ksmbd_override_fsids(work)) { + rc = -ENOMEM; + goto err_out; + } + switch (req->InfoType) { case SMB2_O_INFO_FILE: ksmbd_debug(SMB, "GOT SMB2_O_INFO_FILE\n"); @@ -5614,6 +5619,7 @@ int smb2_query_info(struct ksmbd_work *work) req->InfoType); rc = -EOPNOTSUPP; } + ksmbd_revert_fsids(work); if (!rc) { rsp->StructureSize = cpu_to_le16(9); @@ -5623,6 +5629,7 @@ int smb2_query_info(struct ksmbd_work *work) le32_to_cpu(rsp->OutputBufferLength)); } +err_out: if (rc < 0) { if (rc == -EACCES) rsp->hdr.Status = STATUS_ACCESS_DENIED; diff --git a/fs/smb/server/smb_common.c b/fs/smb/server/smb_common.c index 474dadf6b7b8..13818ecb6e1b 100644 --- a/fs/smb/server/smb_common.c +++ b/fs/smb/server/smb_common.c @@ -732,10 +732,10 @@ bool is_asterisk(char *p) return p && p[0] == '*'; } -int ksmbd_override_fsids(struct ksmbd_work *work) +int __ksmbd_override_fsids(struct ksmbd_work *work, + struct ksmbd_share_config *share) { struct ksmbd_session *sess = work->sess; - struct ksmbd_share_config *share = work->tcon->share_conf; struct cred *cred; struct group_info *gi; unsigned int uid; @@ -775,6 +775,11 @@ int ksmbd_override_fsids(struct ksmbd_work *work) return 0; } +int ksmbd_override_fsids(struct ksmbd_work *work) +{ + return __ksmbd_override_fsids(work, work->tcon->share_conf); +} + void ksmbd_revert_fsids(struct ksmbd_work *work) { const struct cred *cred; diff --git a/fs/smb/server/smb_common.h b/fs/smb/server/smb_common.h index f1092519c0c2..4a3148b0167f 100644 --- a/fs/smb/server/smb_common.h +++ b/fs/smb/server/smb_common.h @@ -447,6 +447,8 @@ int ksmbd_extract_shortname(struct ksmbd_conn *conn, int ksmbd_smb_negotiate_common(struct ksmbd_work *work, unsigned int command); int ksmbd_smb_check_shared_mode(struct file *filp, struct ksmbd_file *curr_fp); +int __ksmbd_override_fsids(struct ksmbd_work *work, + struct ksmbd_share_config *share); int ksmbd_override_fsids(struct ksmbd_work *work); void ksmbd_revert_fsids(struct ksmbd_work *work); |