From 91fff9b347f9f69025e6557b3279cccedbcc744a Mon Sep 17 00:00:00 2001
From: Mikulas Patocka <mikulas@twibright.com>
Date: Mon, 3 Oct 2016 23:00:19 +0200
Subject: [PATCH] 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>
---
fs/hpfs/file.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/fs/hpfs/file.c b/fs/hpfs/file.c
index d3bcdd9757005..b3be1b5a62e21 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,
};
--
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