diff options
Diffstat (limited to 'include/linux/netfs.h')
| -rw-r--r-- | include/linux/netfs.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/netfs.h b/include/linux/netfs.h index db4af80cbae3..99659ed9524e 100644 --- a/include/linux/netfs.h +++ b/include/linux/netfs.h @@ -147,11 +147,14 @@ struct netfs_read_request { * Operations the network filesystem can/must provide to the helpers. */ struct netfs_read_request_ops { + bool (*is_cache_enabled)(struct inode *inode); void (*init_rreq)(struct netfs_read_request *rreq, struct file *file); void (*expand_readahead)(struct netfs_read_request *rreq); bool (*clamp_length)(struct netfs_read_subrequest *subreq); void (*issue_op)(struct netfs_read_subrequest *subreq); bool (*is_still_valid)(struct netfs_read_request *rreq); + int (*check_write_begin)(struct file *file, loff_t pos, unsigned len, + struct page *page, void **_fsdata); void (*done)(struct netfs_read_request *rreq); void (*cleanup)(struct address_space *mapping, void *netfs_priv); }; @@ -164,6 +167,11 @@ extern int netfs_readpage(struct file *, struct page *, const struct netfs_read_request_ops *, void *); +extern int netfs_write_begin(struct file *, struct address_space *, + loff_t, unsigned int, unsigned int, struct page **, + void **, + const struct netfs_read_request_ops *, + void *); extern void netfs_subreq_terminated(struct netfs_read_subrequest *, ssize_t, bool); extern void netfs_stats_show(struct seq_file *); |