diff options
Diffstat (limited to 'fs/fuse/fuse_i.h')
| -rw-r--r-- | fs/fuse/fuse_i.h | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h index c1a8b313e6ed..8bf133109170 100644 --- a/fs/fuse/fuse_i.h +++ b/fs/fuse/fuse_i.h @@ -480,6 +480,18 @@ struct fuse_dev { struct list_head entry; }; +enum fuse_dax_mode { + FUSE_DAX_INODE_DEFAULT, /* default */ + FUSE_DAX_ALWAYS, /* "-o dax=always" */ + FUSE_DAX_NEVER, /* "-o dax=never" */ + FUSE_DAX_INODE_USER, /* "-o dax=inode" */ +}; + +static inline bool fuse_is_inode_dax_mode(enum fuse_dax_mode mode) +{ + return mode == FUSE_DAX_INODE_DEFAULT || mode == FUSE_DAX_INODE_USER; +} + struct fuse_fs_context { int fd; struct file *file; @@ -497,7 +509,7 @@ struct fuse_fs_context { bool no_control:1; bool no_force_umount:1; bool legacy_opts_show:1; - bool dax:1; + enum fuse_dax_mode dax_mode; unsigned int max_read; unsigned int blksize; const char *subtype; @@ -805,6 +817,9 @@ struct fuse_conn { struct list_head devices; #ifdef CONFIG_FUSE_DAX + /* Dax mode */ + enum fuse_dax_mode dax_mode; + /* Dax specific conn data, non-NULL if DAX is enabled */ struct fuse_conn_dax *dax; #endif @@ -1272,7 +1287,8 @@ ssize_t fuse_dax_read_iter(struct kiocb *iocb, struct iov_iter *to); ssize_t fuse_dax_write_iter(struct kiocb *iocb, struct iov_iter *from); int fuse_dax_mmap(struct file *file, struct vm_area_struct *vma); int fuse_dax_break_layouts(struct inode *inode, u64 dmap_start, u64 dmap_end); -int fuse_dax_conn_alloc(struct fuse_conn *fc, struct dax_device *dax_dev); +int fuse_dax_conn_alloc(struct fuse_conn *fc, enum fuse_dax_mode mode, + struct dax_device *dax_dev); void fuse_dax_conn_free(struct fuse_conn *fc); bool fuse_dax_inode_alloc(struct super_block *sb, struct fuse_inode *fi); void fuse_dax_inode_init(struct inode *inode); |