From: Mikulas Patocka <mikulas@twibright.com>
Date: Mon, 3 Oct 2016 21:00:19 +0000 (+0200)
Subject: hpfs: support FIEMAP
X-Git-Tag: v4.14-rc1~2304^2~5
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=91fff9b347f9f69025e6557b3279cccedbcc744a;p=platform%2Fkernel%2Flinux-rpi.git

hpfs: support FIEMAP

Support the FIEMAP ioctl that reports extents allocated by a file.

Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/fs/hpfs/file.c b/fs/hpfs/file.c
index d3bcdd9..b3be1b5 100644
--- a/fs/hpfs/file.c
+++ b/fs/hpfs/file.c
@@ -189,6 +189,11 @@ static sector_t _hpfs_bmap(struct address_space *mapping, sector_t block)
 	return generic_block_bmap(mapping, block, hpfs_get_block);
 }
 
+static int hpfs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, u64 start, u64 len)
+{
+	return generic_block_fiemap(inode, fieinfo, start, len, hpfs_get_block);
+}
+
 const struct address_space_operations hpfs_aops = {
 	.readpage = hpfs_readpage,
 	.writepage = hpfs_writepage,
@@ -214,4 +219,5 @@ const struct file_operations hpfs_file_ops =
 const struct inode_operations hpfs_file_iops =
 {
 	.setattr	= hpfs_setattr,
+	.fiemap		= hpfs_fiemap,
 };