diff options
Diffstat (limited to 'fs/fuse/fuse_i.h')
| -rw-r--r-- | fs/fuse/fuse_i.h | 54 |
1 files changed, 50 insertions, 4 deletions
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h index 68cca8d4db6e..7e463e220053 100644 --- a/fs/fuse/fuse_i.h +++ b/fs/fuse/fuse_i.h @@ -552,9 +552,12 @@ struct fuse_conn { /** Maximum write size */ unsigned max_write; - /** Maxmum number of pages that can be used in a single request */ + /** Maximum number of pages that can be used in a single request */ unsigned int max_pages; + /** Constrain ->max_pages to this value during feature negotiation */ + unsigned int max_pages_limit; + /** Input queue */ struct fuse_iqueue iq; @@ -668,6 +671,9 @@ struct fuse_conn { /** Is setxattr not implemented by fs? */ unsigned no_setxattr:1; + /** Does file server support extended setxattr */ + unsigned setxattr_ext:1; + /** Is getxattr not implemented by fs? */ unsigned no_getxattr:1; @@ -713,7 +719,7 @@ struct fuse_conn { /** Use enhanced/automatic page cache invalidation. */ unsigned auto_inval_data:1; - /** Filesystem is fully reponsible for page cache invalidation. */ + /** Filesystem is fully responsible for page cache invalidation. */ unsigned explicit_inval_data:1; /** Does the filesystem support readdirplus? */ @@ -863,6 +869,7 @@ static inline u64 fuse_get_attr_version(struct fuse_conn *fc) static inline void fuse_make_bad(struct inode *inode) { + remove_inode_hash(inode); set_bit(FUSE_I_BAD, &get_fuse_inode(inode)->state); } @@ -871,6 +878,28 @@ static inline bool fuse_is_bad(struct inode *inode) return unlikely(test_bit(FUSE_I_BAD, &get_fuse_inode(inode)->state)); } +static inline struct page **fuse_pages_alloc(unsigned int npages, gfp_t flags, + struct fuse_page_desc **desc) +{ + struct page **pages; + + pages = kzalloc(npages * (sizeof(struct page *) + + sizeof(struct fuse_page_desc)), flags); + *desc = (void *) (pages + npages); + + return pages; +} + +static inline void fuse_page_descs_length_init(struct fuse_page_desc *descs, + unsigned int index, + unsigned int nr_pages) +{ + int i; + + for (i = index; i < index + nr_pages; i++) + descs[i].length = PAGE_SIZE - descs[i].offset; +} + /** Device operations */ extern const struct file_operations fuse_dev_operations; @@ -911,6 +940,7 @@ struct fuse_io_args { struct { struct fuse_write_in in; struct fuse_write_out out; + bool page_locked; } write; }; struct fuse_args_pages ap; @@ -931,7 +961,8 @@ struct fuse_file *fuse_file_alloc(struct fuse_mount *fm); void fuse_file_free(struct fuse_file *ff); void fuse_finish_open(struct inode *inode, struct file *file); -void fuse_sync_release(struct fuse_inode *fi, struct fuse_file *ff, int flags); +void fuse_sync_release(struct fuse_inode *fi, struct fuse_file *ff, + unsigned int flags); /** * Send RELEASE or RELEASEDIR request @@ -1169,7 +1200,7 @@ void fuse_unlock_inode(struct inode *inode, bool locked); bool fuse_lock_inode(struct inode *inode); int fuse_setxattr(struct inode *inode, const char *name, const void *value, - size_t size, int flags); + size_t size, int flags, unsigned int extra_flags); ssize_t fuse_getxattr(struct inode *inode, const char *name, void *value, size_t size); ssize_t fuse_listxattr(struct dentry *entry, char *list, size_t size); @@ -1213,4 +1244,19 @@ void fuse_dax_inode_cleanup(struct inode *inode); bool fuse_dax_check_alignment(struct fuse_conn *fc, unsigned int map_alignment); void fuse_dax_cancel_work(struct fuse_conn *fc); +/* ioctl.c */ +long fuse_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg); +long fuse_file_compat_ioctl(struct file *file, unsigned int cmd, + unsigned long arg); +int fuse_fileattr_get(struct dentry *dentry, struct fileattr *fa); +int fuse_fileattr_set(struct user_namespace *mnt_userns, + struct dentry *dentry, struct fileattr *fa); + +/* file.c */ + +struct fuse_file *fuse_file_open(struct fuse_mount *fm, u64 nodeid, + unsigned int open_flags, bool isdir); +void fuse_file_release(struct inode *inode, struct fuse_file *ff, + unsigned int open_flags, fl_owner_t id, bool isdir); + #endif /* _FS_FUSE_I_H */ |