commit 7046ae35329f6d3cd39ae22d96d9525e45e748f2
author Andreas Gruenbacher <agruenba@redhat.com> Sun Oct 01 17:57:54 2017 -0400
committer Theodore Ts'o <tytso@mit.edu> Sun Oct 01 17:57:54 2017 -0400
tree 36e5e48ac89d51b965d860b2d5525060121f5c21
parent 9ca250a5137f3df7ffac58b49660beadd5926ace

ext4: Add iomap support for inline data

Report inline data as a IOMAP_F_DATA_INLINE mapping.  This allows to use
iomap_seek_hole and iomap_seek_data in ext4_llseek and makes switching
to iomap_fiemap in ext4_fiemap easier.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Jan Kara <jack@suse.cz>

fs/ext4/ext4.h

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index e2abe01..ae3e4a2 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -3048,6 +3048,10 @@ extern struct buffer_head *ext4_get_first_inline_block(struct inode *inode,
 extern int ext4_inline_data_fiemap(struct inode *inode,
 				   struct fiemap_extent_info *fieinfo,
 				   int *has_inline, __u64 start, __u64 len);
+
+struct iomap;
+extern int ext4_inline_data_iomap(struct inode *inode, struct iomap *iomap);
+
 extern int ext4_try_to_evict_inline_data(handle_t *handle,
 					 struct inode *inode,
 					 int needed);