1*38c8a9a5SSteve French /* SPDX-License-Identifier: LGPL-2.1 */ 2*38c8a9a5SSteve French /* 3*38c8a9a5SSteve French * 4*38c8a9a5SSteve French * Copyright (c) International Business Machines Corp., 2002,2004 5*38c8a9a5SSteve French * Author(s): Steve French (sfrench@us.ibm.com) 6*38c8a9a5SSteve French * 7*38c8a9a5SSteve French */ 8*38c8a9a5SSteve French #include <linux/rbtree.h> 9*38c8a9a5SSteve French 10*38c8a9a5SSteve French #ifndef _CIFS_FS_SB_H 11*38c8a9a5SSteve French #define _CIFS_FS_SB_H 12*38c8a9a5SSteve French 13*38c8a9a5SSteve French #include <linux/backing-dev.h> 14*38c8a9a5SSteve French 15*38c8a9a5SSteve French #define CIFS_MOUNT_NO_PERM 1 /* do not do client vfs_perm check */ 16*38c8a9a5SSteve French #define CIFS_MOUNT_SET_UID 2 /* set current's euid in create etc. */ 17*38c8a9a5SSteve French #define CIFS_MOUNT_SERVER_INUM 4 /* inode numbers from uniqueid from server */ 18*38c8a9a5SSteve French #define CIFS_MOUNT_DIRECT_IO 8 /* do not write nor read through page cache */ 19*38c8a9a5SSteve French #define CIFS_MOUNT_NO_XATTR 0x10 /* if set - disable xattr support */ 20*38c8a9a5SSteve French #define CIFS_MOUNT_MAP_SPECIAL_CHR 0x20 /* remap illegal chars in filenames */ 21*38c8a9a5SSteve French #define CIFS_MOUNT_POSIX_PATHS 0x40 /* Negotiate posix pathnames if possible*/ 22*38c8a9a5SSteve French #define CIFS_MOUNT_UNX_EMUL 0x80 /* Network compat with SFUnix emulation */ 23*38c8a9a5SSteve French #define CIFS_MOUNT_NO_BRL 0x100 /* No sending byte range locks to srv */ 24*38c8a9a5SSteve French #define CIFS_MOUNT_CIFS_ACL 0x200 /* send ACL requests to non-POSIX srv */ 25*38c8a9a5SSteve French #define CIFS_MOUNT_OVERR_UID 0x400 /* override uid returned from server */ 26*38c8a9a5SSteve French #define CIFS_MOUNT_OVERR_GID 0x800 /* override gid returned from server */ 27*38c8a9a5SSteve French #define CIFS_MOUNT_DYNPERM 0x1000 /* allow in-memory only mode setting */ 28*38c8a9a5SSteve French #define CIFS_MOUNT_NOPOSIXBRL 0x2000 /* mandatory not posix byte range lock */ 29*38c8a9a5SSteve French #define CIFS_MOUNT_NOSSYNC 0x4000 /* don't do slow SMBflush on every sync*/ 30*38c8a9a5SSteve French #define CIFS_MOUNT_FSCACHE 0x8000 /* local caching enabled */ 31*38c8a9a5SSteve French #define CIFS_MOUNT_MF_SYMLINKS 0x10000 /* Minshall+French Symlinks enabled */ 32*38c8a9a5SSteve French #define CIFS_MOUNT_MULTIUSER 0x20000 /* multiuser mount */ 33*38c8a9a5SSteve French #define CIFS_MOUNT_STRICT_IO 0x40000 /* strict cache mode */ 34*38c8a9a5SSteve French #define CIFS_MOUNT_RWPIDFORWARD 0x80000 /* use pid forwarding for rw */ 35*38c8a9a5SSteve French #define CIFS_MOUNT_POSIXACL 0x100000 /* mirror of SB_POSIXACL in mnt_cifs_flags */ 36*38c8a9a5SSteve French #define CIFS_MOUNT_CIFS_BACKUPUID 0x200000 /* backup intent bit for a user */ 37*38c8a9a5SSteve French #define CIFS_MOUNT_CIFS_BACKUPGID 0x400000 /* backup intent bit for a group */ 38*38c8a9a5SSteve French #define CIFS_MOUNT_MAP_SFM_CHR 0x800000 /* SFM/MAC mapping for illegal chars */ 39*38c8a9a5SSteve French #define CIFS_MOUNT_USE_PREFIX_PATH 0x1000000 /* make subpath with unaccessible 40*38c8a9a5SSteve French * root mountable 41*38c8a9a5SSteve French */ 42*38c8a9a5SSteve French #define CIFS_MOUNT_UID_FROM_ACL 0x2000000 /* try to get UID via special SID */ 43*38c8a9a5SSteve French #define CIFS_MOUNT_NO_HANDLE_CACHE 0x4000000 /* disable caching dir handles */ 44*38c8a9a5SSteve French #define CIFS_MOUNT_NO_DFS 0x8000000 /* disable DFS resolving */ 45*38c8a9a5SSteve French #define CIFS_MOUNT_MODE_FROM_SID 0x10000000 /* retrieve mode from special ACE */ 46*38c8a9a5SSteve French #define CIFS_MOUNT_RO_CACHE 0x20000000 /* assumes share will not change */ 47*38c8a9a5SSteve French #define CIFS_MOUNT_RW_CACHE 0x40000000 /* assumes only client accessing */ 48*38c8a9a5SSteve French #define CIFS_MOUNT_SHUTDOWN 0x80000000 49*38c8a9a5SSteve French 50*38c8a9a5SSteve French struct cifs_sb_info { 51*38c8a9a5SSteve French struct rb_root tlink_tree; 52*38c8a9a5SSteve French spinlock_t tlink_tree_lock; 53*38c8a9a5SSteve French struct tcon_link *master_tlink; 54*38c8a9a5SSteve French struct nls_table *local_nls; 55*38c8a9a5SSteve French struct smb3_fs_context *ctx; 56*38c8a9a5SSteve French atomic_t active; 57*38c8a9a5SSteve French unsigned int mnt_cifs_flags; 58*38c8a9a5SSteve French struct delayed_work prune_tlinks; 59*38c8a9a5SSteve French struct rcu_head rcu; 60*38c8a9a5SSteve French 61*38c8a9a5SSteve French /* only used when CIFS_MOUNT_USE_PREFIX_PATH is set */ 62*38c8a9a5SSteve French char *prepath; 63*38c8a9a5SSteve French 64*38c8a9a5SSteve French /* 65*38c8a9a5SSteve French * Indicate whether serverino option was turned off later 66*38c8a9a5SSteve French * (cifs_autodisable_serverino) in order to match new mounts. 67*38c8a9a5SSteve French */ 68*38c8a9a5SSteve French bool mnt_cifs_serverino_autodisabled; 69*38c8a9a5SSteve French /* 70*38c8a9a5SSteve French * Available once the mount has completed. 71*38c8a9a5SSteve French */ 72*38c8a9a5SSteve French struct dentry *root; 73*38c8a9a5SSteve French }; 74*38c8a9a5SSteve French #endif /* _CIFS_FS_SB_H */ 75