diff options
| -rw-r--r-- | Documentation/filesystems/porting | 2 | ||||
| -rw-r--r-- | fs/namespace.c | 56 | ||||
| -rw-r--r-- | fs/super.c | 68 | ||||
| -rw-r--r-- | include/linux/fs.h | 45 | ||||
| -rw-r--r-- | init/do_mounts.c | 4 |
5 files changed, 104 insertions, 71 deletions
diff --git a/Documentation/filesystems/porting b/Documentation/filesystems/porting index 5fb17f49f7a2..93e0a2404532 100644 --- a/Documentation/filesystems/porting +++ b/Documentation/filesystems/porting @@ -228,7 +228,7 @@ anything from oops to silent memory corruption. --- [mandatory] - FS_NOMOUNT is gone. If you use it - just set MS_NOUSER in flags + FS_NOMOUNT is gone. If you use it - just set SB_NOUSER in flags (see rootfs for one kind of solution and bdev/socket/pipe for another). --- diff --git a/fs/namespace.c b/fs/namespace.c index e42c9abfeaa8..c26a82cfe4fc 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -971,7 +971,7 @@ vfs_kern_mount(struct file_system_type *type, int flags, const char *name, void if (!mnt) return ERR_PTR(-ENOMEM); - if (flags & MS_KERNMOUNT) + if (flags & SB_KERNMOUNT) mnt->mnt.mnt_flags = MNT_INTERNAL; root = mount_fs(type, flags, name, data); @@ -1003,7 +1003,7 @@ vfs_submount(const struct dentry *mountpoint, struct file_system_type *type, if (mountpoint->d_sb->s_user_ns != &init_user_ns) return ERR_PTR(-EPERM); - return vfs_kern_mount(type, MS_SUBMOUNT, name, data); + return vfs_kern_mount(type, SB_SUBMOUNT, name, data); } EXPORT_SYMBOL_GPL(vfs_submount); @@ -1535,7 +1535,7 @@ static int do_umount(struct mount *mnt, int flags) return -EPERM; down_write(&sb->s_umount); if (!sb_rdonly(sb)) - retval = do_remount_sb(sb, MS_RDONLY, NULL, 0); + retval = do_remount_sb(sb, SB_RDONLY, NULL, 0); up_write(&sb->s_umount); return retval; } @@ -2059,7 +2059,7 @@ static void unlock_mount(struct mountpoint *where) static int graft_tree(struct mount *mnt, struct mount *p, struct mountpoint *mp) { - if (mnt->mnt.mnt_sb->s_flags & MS_NOUSER) + if (mnt->mnt.mnt_sb->s_flags & SB_NOUSER) return -EINVAL; if (d_is_dir(mp->m_dentry) != @@ -2073,9 +2073,9 @@ static int graft_tree(struct mount *mnt, struct mount *p, struct mountpoint *mp) * Sanity check the flags to change_mnt_propagation. */ -static int flags_to_propagation_type(int flags) +static int flags_to_propagation_type(int ms_flags) { - int type = flags & ~(MS_REC | MS_SILENT); + int type = ms_flags & ~(MS_REC | MS_SILENT); /* Fail if any non-propagation flags are set */ if (type & ~(MS_SHARED | MS_PRIVATE | MS_SLAVE | MS_UNBINDABLE)) @@ -2089,18 +2089,18 @@ static int flags_to_propagation_type(int flags) /* * recursively change the type of the mountpoint. */ -static int do_change_type(struct path *path, int flag) +static int do_change_type(struct path *path, int ms_flags) { struct mount *m; struct mount *mnt = real_mount(path->mnt); - int recurse = flag & MS_REC; + int recurse = ms_flags & MS_REC; int type; int err = 0; if (path->dentry != path->mnt->mnt_root) return -EINVAL; - type = flags_to_propagation_type(flag); + type = flags_to_propagation_type(ms_flags); if (!type) return -EINVAL; @@ -2222,8 +2222,8 @@ static int change_mount_flags(struct vfsmount *mnt, int ms_flags) * If you've mounted a non-root directory somewhere and want to do remount * on it - tough luck. */ -static int do_remount(struct path *path, int flags, int mnt_flags, - void *data) +static int do_remount(struct path *path, int ms_flags, int sb_flags, + int mnt_flags, void *data) { int err; struct super_block *sb = path->mnt->mnt_sb; @@ -2267,12 +2267,12 @@ static int do_remount(struct path *path, int flags, int mnt_flags, return err; down_write(&sb->s_umount); - if (flags & MS_BIND) - err = change_mount_flags(path->mnt, flags); + if (ms_flags & MS_BIND) + err = change_mount_flags(path->mnt, ms_flags); else if (!capable(CAP_SYS_ADMIN)) err = -EPERM; else - err = do_remount_sb(sb, flags, data, 0); + err = do_remount_sb(sb, sb_flags, data, 0); if (!err) { lock_mount_hash(); mnt_flags |= mnt->mnt.mnt_flags & ~MNT_USER_SETTABLE_MASK; @@ -2437,7 +2437,7 @@ static bool mount_too_revealing(struct vfsmount *mnt, int *new_mnt_flags); * create a new mount for userspace and request it to be added into the * namespace's tree */ -static int do_new_mount(struct path *path, const char *fstype, int flags, +static int do_new_mount(struct path *path, const char *fstype, int sb_flags, int mnt_flags, const char *name, void *data) { struct file_system_type *type; @@ -2451,7 +2451,7 @@ static int do_new_mount(struct path *path, const char *fstype, int flags, if (!type) return -ENODEV; - mnt = vfs_kern_mount(type, flags, name, data); + mnt = vfs_kern_mount(type, sb_flags, name, data); if (!IS_ERR(mnt) && (type->fs_flags & FS_HAS_SUBTYPE) && !mnt->mnt_sb->s_subtype) mnt = fs_set_subtype(mnt, fstype); @@ -2706,8 +2706,8 @@ long do_mount(const char *dev_name, const char __user *dir_name, const char *type_page, unsigned long flags, void *data_page) { struct path path; + unsigned int mnt_flags = 0, sb_flags; int retval = 0; - int mnt_flags = 0; /* Discard magic */ if ((flags & MS_MGC_MSK) == MS_MGC_VAL) @@ -2717,6 +2717,9 @@ long do_mount(const char *dev_name, const char __user *dir_name, if (data_page) ((char *)data_page)[PAGE_SIZE - 1] = 0; + if (flags & MS_NOUSER) + return -EINVAL; + /* ... and get the mountpoint */ retval = user_path(dir_name, &path); if (retval) @@ -2726,7 +2729,7 @@ long do_mount(const char *dev_name, const char __user *dir_name, type_page, flags, data_page); if (!retval && !may_mount()) retval = -EPERM; - if (!retval && (flags & MS_MANDLOCK) && !may_mandlock()) + if (!retval && (flags & SB_MANDLOCK) && !may_mandlock()) retval = -EPERM; if (retval) goto dput_out; @@ -2748,7 +2751,7 @@ long do_mount(const char *dev_name, const char __user *dir_name, mnt_flags |= MNT_NODIRATIME; if (flags & MS_STRICTATIME) mnt_flags &= ~(MNT_RELATIME | MNT_NOATIME); - if (flags & MS_RDONLY) + if (flags & SB_RDONLY) mnt_flags |= MNT_READONLY; /* The default atime for remount is preservation */ @@ -2759,12 +2762,15 @@ long do_mount(const char *dev_name, const char __user *dir_name, mnt_flags |= path.mnt->mnt_flags & MNT_ATIME_MASK; } - flags &= ~(MS_NOSUID | MS_NOEXEC | MS_NODEV | MS_ACTIVE | MS_BORN | - MS_NOATIME | MS_NODIRATIME | MS_RELATIME| MS_KERNMOUNT | - MS_STRICTATIME | MS_NOREMOTELOCK | MS_SUBMOUNT); + sb_flags = flags & (SB_RDONLY | + SB_SYNCHRONOUS | + SB_MANDLOCK | + SB_DIRSYNC | + SB_SILENT | + SB_POSIXACL); if (flags & MS_REMOUNT) - retval = do_remount(&path, flags & ~MS_REMOUNT, mnt_flags, + retval = do_remount(&path, flags, sb_flags, mnt_flags, data_page); else if (flags & MS_BIND) retval = do_loopback(&path, dev_name, flags & MS_REC); @@ -2773,7 +2779,7 @@ long do_mount(const char *dev_name, const char __user *dir_name, else if (flags & MS_MOVE) retval = do_move_mount(&path, dev_name); else - retval = do_new_mount(&path, type_page, flags, mnt_flags, + retval = do_new_mount(&path, type_page, sb_flags, mnt_flags, dev_name, data_page); dput_out: path_put(&path); @@ -3223,7 +3229,7 @@ void put_mnt_ns(struct mnt_namespace *ns) struct vfsmount *kern_mount_data(struct file_system_type *type, void *data) { struct vfsmount *mnt; - mnt = vfs_kern_mount(type, MS_KERNMOUNT, type->name, data); + mnt = vfs_kern_mount(type, SB_KERNMOUNT, type->name, data); if (!IS_ERR(mnt)) { /* * it is a longterm mount, don't release mnt until diff --git a/fs/super.c b/fs/super.c index 7321958d81d8..d956e62e5866 100644 --- a/fs/super.c +++ b/fs/super.c @@ -360,7 +360,7 @@ static int grab_super(struct super_block *s) __releases(sb_lock) s->s_count++; spin_unlock(&sb_lock); down_write(&s->s_umount); - if ((s->s_flags & MS_BORN) && atomic_inc_not_zero(&s->s_active)) { + if ((s->s_flags & SB_BORN) && atomic_inc_not_zero(&s->s_active)) { put_super(s); return 1; } @@ -390,7 +390,7 @@ bool trylock_super(struct super_block *sb) { if (down_read_trylock(&sb->s_umount)) { if (!hlist_unhashed(&sb->s_instances) && - sb->s_root && (sb->s_flags & MS_BORN)) + sb->s_root && (sb->s_flags & SB_BORN)) return true; up_read(&sb->s_umount); } @@ -419,7 +419,7 @@ void generic_shutdown_super(struct super_block *sb) if (sb->s_root) { shrink_dcache_for_umount(sb); sync_filesystem(sb); - sb->s_flags &= ~MS_ACTIVE; + sb->s_flags &= ~SB_ACTIVE; fsnotify_unmount_inodes(sb); cgroup_writeback_umount(); @@ -472,7 +472,7 @@ struct super_block *sget_userns(struct file_system_type *type, struct super_block *old; int err; - if (!(flags & (MS_KERNMOUNT|MS_SUBMOUNT)) && + if (!(flags & (SB_KERNMOUNT|SB_SUBMOUNT)) && !(type->fs_flags & FS_USERNS_MOUNT) && !capable(CAP_SYS_ADMIN)) return ERR_PTR(-EPERM); @@ -502,7 +502,7 @@ retry: } if (!s) { spin_unlock(&sb_lock); - s = alloc_super(type, (flags & ~MS_SUBMOUNT), user_ns); + s = alloc_super(type, (flags & ~SB_SUBMOUNT), user_ns); if (!s) return ERR_PTR(-ENOMEM); goto retry; @@ -547,11 +547,11 @@ struct super_block *sget(struct file_system_type *type, * mount through to here so always use &init_user_ns * until that changes. */ - if (flags & MS_SUBMOUNT) + if (flags & SB_SUBMOUNT) user_ns = &init_user_ns; /* Ensure the requestor has permissions over the target filesystem */ - if (!(flags & (MS_KERNMOUNT|MS_SUBMOUNT)) && !ns_capable(user_ns, CAP_SYS_ADMIN)) + if (!(flags & (SB_KERNMOUNT|SB_SUBMOUNT)) && !ns_capable(user_ns, CAP_SYS_ADMIN)) return ERR_PTR(-EPERM); return sget_userns(type, test, set, flags, user_ns, data); @@ -594,7 +594,7 @@ void iterate_supers(void (*f)(struct super_block *, void *), void *arg) spin_unlock(&sb_lock); down_read(&sb->s_umount); - if (sb->s_root && (sb->s_flags & MS_BORN)) + if (sb->s_root && (sb->s_flags & SB_BORN)) f(sb, arg); up_read(&sb->s_umount); @@ -628,7 +628,7 @@ void iterate_supers_type(struct file_system_type *type, spin_unlock(&sb_lock); down_read(&sb->s_umount); - if (sb->s_root && (sb->s_flags & MS_BORN)) + if (sb->s_root && (sb->s_flags & SB_BORN)) f(sb, arg); up_read(&sb->s_umount); @@ -664,7 +664,7 @@ rescan: else down_write(&sb->s_umount); /* still alive? */ - if (sb->s_root && (sb->s_flags & MS_BORN)) + if (sb->s_root && (sb->s_flags & SB_BORN)) return sb; if (!excl) up_read(&sb->s_umount); @@ -785,7 +785,7 @@ rescan: spin_unlock(&sb_lock); down_read(&sb->s_umount); /* still alive? */ - if (sb->s_root && (sb->s_flags & MS_BORN)) + if (sb->s_root && (sb->s_flags & SB_BORN)) return sb; up_read(&sb->s_umount); /* nope, got unmounted */ @@ -801,13 +801,13 @@ rescan: /** * do_remount_sb - asks filesystem to change mount options. * @sb: superblock in question - * @flags: numeric part of options + * @sb_flags: revised superblock flags * @data: the rest of options * @force: whether or not to force the change * * Alters the mount options of a mounted file system. */ -int do_remount_sb(struct super_block *sb, int flags, void *data, int force) +int do_remount_sb(struct super_block *sb, int sb_flags, void *data, int force) { int retval; int remount_ro; @@ -816,11 +816,11 @@ int do_remount_sb(struct super_block *sb, int flags, void *data, int force) return -EBUSY; #ifdef CONFIG_BLOCK - if (!(flags & MS_RDONLY) && bdev_read_only(sb->s_bdev)) + if (!(sb_flags & SB_RDONLY) && bdev_read_only(sb->s_bdev)) return -EACCES; #endif - remount_ro = (flags & MS_RDONLY) && !sb_rdonly(sb); + remount_ro = (sb_flags & SB_RDONLY) && !sb_rdonly(sb); if (remount_ro) { if (!hlist_empty(&sb->s_pins)) { @@ -831,7 +831,7 @@ int do_remount_sb(struct super_block *sb, int flags, void *data, int force) return 0; if (sb->s_writers.frozen != SB_UNFROZEN) return -EBUSY; - remount_ro = (flags & MS_RDONLY) && !sb_rdonly(sb); + remount_ro = (sb_flags & SB_RDONLY) && !sb_rdonly(sb); } } shrink_dcache_sb(sb); @@ -850,7 +850,7 @@ int do_remount_sb(struct super_block *sb, int flags, void *data, int force) } if (sb->s_op->remount_fs) { - retval = sb->s_op->remount_fs(sb, &flags, data); + retval = sb->s_op->remount_fs(sb, &sb_flags, data); if (retval) { if (!force) goto cancel_readonly; @@ -859,7 +859,7 @@ int do_remount_sb(struct super_block *sb, int flags, void *data, int force) sb->s_type->name, retval); } } - sb->s_flags = (sb->s_flags & ~MS_RMT_MASK) | (flags & MS_RMT_MASK); + sb->s_flags = (sb->s_flags & ~MS_RMT_MASK) | (sb_flags & MS_RMT_MASK); /* Needs to be ordered wrt mnt_is_readonly() */ smp_wmb(); sb->s_readonly_remount = 0; @@ -892,12 +892,12 @@ static void do_emergency_remount(struct work_struct *work) sb->s_count++; spin_unlock(&sb_lock); down_write(&sb->s_umount); - if (sb->s_root && sb->s_bdev && (sb->s_flags & MS_BORN) && + if (sb->s_root && sb->s_bdev && (sb->s_flags & SB_BORN) && !sb_rdonly(sb)) { /* * What lock protects sb->s_flags?? */ - do_remount_sb(sb, MS_RDONLY, NULL, 1); + do_remount_sb(sb, SB_RDONLY, NULL, 1); } up_write(&sb->s_umount); spin_lock(&sb_lock); @@ -1023,7 +1023,7 @@ struct dentry *mount_ns(struct file_system_type *fs_type, /* Don't allow mounting unless the caller has CAP_SYS_ADMIN * over the namespace. */ - if (!(flags & MS_KERNMOUNT) && !ns_capable(user_ns, CAP_SYS_ADMIN)) + if (!(flags & SB_KERNMOUNT) && !ns_capable(user_ns, CAP_SYS_ADMIN)) return ERR_PTR(-EPERM); sb = sget_userns(fs_type, ns_test_super, ns_set_super, flags, @@ -1033,13 +1033,13 @@ struct dentry *mount_ns(struct file_system_type *fs_type, if (!sb->s_root) { int err; - err = fill_super(sb, data, flags & MS_SILENT ? 1 : 0); + err = fill_super(sb, data, flags & SB_SILENT ? 1 : 0); if (err) { deactivate_locked_super(sb); return ERR_PTR(err); } - sb->s_flags |= MS_ACTIVE; + sb->s_flags |= SB_ACTIVE; } return dget(sb->s_root); @@ -1071,7 +1071,7 @@ struct dentry *mount_bdev(struct file_system_type *fs_type, fmode_t mode = FMODE_READ | FMODE_EXCL; int error = 0; - if (!(flags & MS_RDONLY)) + if (!(flags & SB_RDONLY)) mode |= FMODE_WRITE; bdev = blkdev_get_by_path(dev_name, mode, fs_type); @@ -1089,14 +1089,14 @@ struct dentry *mount_bdev(struct file_system_type *fs_type, error = -EBUSY; goto error_bdev; } - s = sget(fs_type, test_bdev_super, set_bdev_super, flags | MS_NOSEC, + s = sget(fs_type, test_bdev_super, set_bdev_super, flags | SB_NOSEC, bdev); mutex_unlock(&bdev->bd_fsfreeze_mutex); if (IS_ERR(s)) goto error_s; if (s->s_root) { - if ((flags ^ s->s_flags) & MS_RDONLY) { + if ((flags ^ s->s_flags) & SB_RDONLY) { deactivate_locked_super(s); error = -EBUSY; goto error_bdev; @@ -1116,13 +1116,13 @@ struct dentry *mount_bdev(struct file_system_type *fs_type, s->s_mode = mode; snprintf(s->s_id, sizeof(s->s_id), "%pg", bdev); sb_set_blocksize(s, block_size(bdev)); - error = fill_super(s, data, flags & MS_SILENT ? 1 : 0); + error = fill_super(s, data, flags & SB_SILENT ? 1 : 0); if (error) { deactivate_locked_super(s); goto error; } - s->s_flags |= MS_ACTIVE; + s->s_flags |= SB_ACTIVE; bdev->bd_super = s; } @@ -1162,12 +1162,12 @@ struct dentry *mount_nodev(struct file_system_type *fs_type, if (IS_ERR(s)) return ERR_CAST(s); - error = fill_super(s, data, flags & MS_SILENT ? 1 : 0); + error = fill_super(s, data, flags & SB_SILENT ? 1 : 0); if (error) { deactivate_locked_super(s); return ERR_PTR(error); } - s->s_flags |= MS_ACTIVE; + s->s_flags |= SB_ACTIVE; return dget(s->s_root); } EXPORT_SYMBOL(mount_nodev); @@ -1188,12 +1188,12 @@ struct dentry *mount_single(struct file_system_type *fs_type, if (IS_ERR(s)) return ERR_CAST(s); if (!s->s_root) { - error = fill_super(s, data, flags & MS_SILENT ? 1 : 0); + error = fill_super(s, data, flags & SB_SILENT ? 1 : 0); if (error) { deactivate_locked_super(s); return ERR_PTR(error); } - s->s_flags |= MS_ACTIVE; + s->s_flags |= SB_ACTIVE; } else { do_remount_sb(s, flags, data, 0); } @@ -1227,7 +1227,7 @@ mount_fs(struct file_system_type *type, int flags, const char *name, void *data) sb = root->d_sb; BUG_ON(!sb); WARN_ON(!sb->s_bdi); - sb->s_flags |= MS_BORN; + sb->s_flags |= SB_BORN; error = security_sb_kern_mount(sb, flags, secdata); if (error) @@ -1434,7 +1434,7 @@ int freeze_super(struct super_block *sb) return -EBUSY; } - if (!(sb->s_flags & MS_BORN)) { + if (!(sb->s_flags & SB_BORN)) { up_write(&sb->s_umount); return 0; /* sic - it's "nothing to do" */ } diff --git a/include/linux/fs.h b/include/linux/fs.h index 6ae137c1bdf6..3d6ee0c0ebb0 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1270,6 +1270,33 @@ extern int send_sigurg(struct fown_struct *fown); struct mm_struct; /* + * sb->s_flags. Note that these mirror the equivalent MS_* flags where + * represented in both. + */ +#define SB_RDONLY 1 /* Mount read-only */ +#define SB_NOSUID 2 /* Ignore suid and sgid bits */ +#define SB_NODEV 4 /* Disallow access to device special files */ +#define SB_NOEXEC 8 /* Disallow program execution */ +#define SB_SYNCHRONOUS 16 /* Writes are synced at once */ +#define SB_MANDLOCK 64 /* Allow mandatory locks on an FS */ +#define SB_DIRSYNC 128 /* Directory modifications are synchronous */ +#define SB_NOATIME 1024 /* Do not update access times. */ +#define SB_NODIRATIME 2048 /* Do not update directory access times */ +#define SB_SILENT 32768 +#define SB_POSIXACL (1<<16) /* VFS does not apply the umask */ +#define SB_KERNMOUNT (1<<22) /* this is a kern_mount call */ +#define SB_I_VERSION (1<<23) /* Update inode I_version field */ +#define SB_LAZYTIME (1<<25) /* Update the on-disk [acm]times lazily */ + +/* These sb flags are internal to the kernel */ +#define SB_SUBMOUNT (1<<26) +#define SB_NOREMOTELOCK (1<<27) +#define SB_NOSEC (1<<28) +#define SB_BORN (1<<29) +#define SB_ACTIVE (1<<30) +#define SB_NOUSER (1<<31) + +/* * Umount options */ @@ -1835,7 +1862,7 @@ struct super_operations { * possible to override it selectively if you really wanted to with some * ioctl() that is not currently implemented. * - * Exception: MS_RDONLY is always applied to the entire file system. + * Exception: SB_RDONLY is always applied to the entire file system. * * Unfortunately, it is possible to change a filesystems flags with it mounted * with files in use. This means that all of the inodes will not have their @@ -1846,18 +1873,18 @@ struct super_operations { static inline bool sb_rdonly(const struct super_block *sb) { return sb->s_flags & MS_RDONLY; } #define IS_RDONLY(inode) sb_rdonly((inode)->i_sb) -#define IS_SYNC(inode) (__IS_FLG(inode, MS_SYNCHRONOUS) || \ +#define IS_SYNC(inode) (__IS_FLG(inode, SB_SYNCHRONOUS) || \ ((inode)->i_flags & S_SYNC)) -#define IS_DIRSYNC(inode) (__IS_FLG(inode, MS_SYNCHRONOUS|MS_DIRSYNC) || \ +#define IS_DIRSYNC(inode) (__IS_FLG(inode, SB_SYNCHRONOUS|SB_DIRSYNC) || \ ((inode)->i_flags & (S_SYNC|S_DIRSYNC))) -#define IS_MANDLOCK(inode) __IS_FLG(inode, MS_MANDLOCK) -#define IS_NOATIME(inode) __IS_FLG(inode, MS_RDONLY|MS_NOATIME) -#define IS_I_VERSION(inode) __IS_FLG(inode, MS_I_VERSION) +#define IS_MANDLOCK(inode) __IS_FLG(inode, SB_MANDLOCK) +#define IS_NOATIME(inode) __IS_FLG(inode, SB_RDONLY|SB_NOATIME) +#define IS_I_VERSION(inode) __IS_FLG(inode, SB_I_VERSION) #define IS_NOQUOTA(inode) ((inode)->i_flags & S_NOQUOTA) #define IS_APPEND(inode) ((inode)->i_flags & S_APPEND) #define IS_IMMUTABLE(inode) ((inode)->i_flags & S_IMMUTABLE) -#define IS_POSIXACL(inode) __IS_FLG(inode, MS_POSIXACL) +#define IS_POSIXACL(inode) __IS_FLG(inode, SB_POSIXACL) #define IS_DEADDIR(inode) ((inode)->i_flags & S_DEAD) #define IS_NOCMTIME(inode) ((inode)->i_flags & S_NOCMTIME) @@ -2178,7 +2205,7 @@ static inline int __mandatory_lock(struct inode *ino) } /* - * ... and these candidates should be on MS_MANDLOCK mounted fs, + * ... and these candidates should be on SB_MANDLOCK mounted fs, * otherwise these will be advisory locks */ @@ -3274,7 +3301,7 @@ static inline int check_sticky(struct inode *dir, struct inode *inode) static inline void inode_has_no_xattr(struct inode *inode) { - if (!is_sxid(inode->i_mode) && (inode->i_sb->s_flags & MS_NOSEC)) + if (!is_sxid(inode->i_mode) && (inode->i_sb->s_flags & SB_NOSEC)) inode->i_flags |= S_NOSEC; } diff --git a/init/do_mounts.c b/init/do_mounts.c index bf7ea36ca286..f6d4dd764a52 100644 --- a/init/do_mounts.c +++ b/init/do_mounts.c @@ -420,8 +420,8 @@ retry: #endif panic("VFS: Unable to mount root fs on %s", b); } - if (!(flags & MS_RDONLY)) { - flags |= MS_RDONLY; + if (!(flags & SB_RDONLY)) { + flags |= SB_RDONLY; goto retry; } |