summaryrefslogtreecommitdiffstats
path: root/include/linux/netfs.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/netfs.h')
-rw-r--r--include/linux/netfs.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/netfs.h b/include/linux/netfs.h
index f2402ddeafbf..4c76ddfb6a67 100644
--- a/include/linux/netfs.h
+++ b/include/linux/netfs.h
@@ -267,6 +267,14 @@ struct netfs_cache_ops {
loff_t *_start, size_t *_len, loff_t i_size,
bool no_space_allocated_yet);
+ /* Prepare an on-demand read operation, shortening it to a cached/uncached
+ * boundary as appropriate.
+ */
+ enum netfs_io_source (*prepare_ondemand_read)(struct netfs_cache_resources *cres,
+ loff_t start, size_t *_len,
+ loff_t i_size,
+ unsigned long *_flags, ino_t ino);
+
/* Query the occupancy of the cache in a region, returning where the
* next chunk of data starts and how long it is.
*/