Support the FIEMAP ioctl that reports extents allocated by a file.
Signed-off-by: Mikulas Patocka <miku...@artax.karlin.mff.cuni.cz>
---
fs/hpfs/file.c | 6 ++++++
1 file changed, 6 insertions(+)
Index: linux-2.6/fs/hpfs/file.c
===================================================================
--- linux-2.6.orig/fs/hpfs/file.c
+++ linux-2.6/fs/hpfs/file.c
@@ -189,6 +189,11 @@ static sector_t _hpfs_bmap(struct addres
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_o
const struct inode_operations hpfs_file_iops =
{
.setattr = hpfs_setattr,
+ .fiemap = hpfs_fiemap,
};
