diff options
Diffstat (limited to 'include/linux/fs_context.h')
| -rw-r--r-- | include/linux/fs_context.h | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/include/linux/fs_context.h b/include/linux/fs_context.h index 7c6fe3d47fa6..e5c14e2c53d3 100644 --- a/include/linux/fs_context.h +++ b/include/linux/fs_context.h @@ -88,13 +88,13 @@ struct fs_context { struct mutex uapi_mutex; /* Userspace access mutex */ struct file_system_type *fs_type; void *fs_private; /* The filesystem's context */ + void *sget_key; struct dentry *root; /* The root and superblock */ struct user_namespace *user_ns; /* The user namespace for this mount */ struct net *net_ns; /* The network namespace for this mount */ const struct cred *cred; /* The mounter's credentials */ struct fc_log *log; /* Logging buffer */ const char *source; /* The source name (eg. dev path) */ - const char *subtype; /* The subtype to set on the superblock */ void *security; /* Linux S&M options */ void *s_fs_info; /* Proposed s_fs_info */ unsigned int sb_flags; /* Proposed superblock flags (SB_*) */ @@ -136,10 +136,11 @@ extern int vfs_get_tree(struct fs_context *fc); extern void put_fs_context(struct fs_context *fc); /* - * sget() wrapper to be called from the ->get_tree() op. + * sget() wrappers to be called from the ->get_tree() op. */ enum vfs_get_super_keying { vfs_get_single_super, /* Only one such superblock may exist */ + vfs_get_single_reconf_super, /* As above, but reconfigure if it exists */ vfs_get_keyed_super, /* Superblocks with different s_fs_info keys may exist */ vfs_get_independent_super, /* Multiple independent superblocks may exist */ }; @@ -147,12 +148,24 @@ extern int vfs_get_super(struct fs_context *fc, enum vfs_get_super_keying keying, int (*fill_super)(struct super_block *sb, struct fs_context *fc)); + extern int get_tree_nodev(struct fs_context *fc, int (*fill_super)(struct super_block *sb, struct fs_context *fc)); extern int get_tree_single(struct fs_context *fc, int (*fill_super)(struct super_block *sb, struct fs_context *fc)); +extern int get_tree_single_reconf(struct fs_context *fc, + int (*fill_super)(struct super_block *sb, + struct fs_context *fc)); +extern int get_tree_keyed(struct fs_context *fc, + int (*fill_super)(struct super_block *sb, + struct fs_context *fc), + void *key); + +extern int get_tree_bdev(struct fs_context *fc, + int (*fill_super)(struct super_block *sb, + struct fs_context *fc)); extern const struct file_operations fscontext_fops; |