summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--Documentation/filesystems/porting2
-rw-r--r--fs/namespace.c56
-rw-r--r--fs/super.c68
-rw-r--r--include/linux/fs.h45
-rw-r--r--init/do_mounts.c4
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;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-23 22:04:24 +0000