From 6873fa0de14e49c433f1f181c54e511f4f3d459d Mon Sep 17 00:00:00 2001 From: Eric Sandeen Date: Tue, 7 Oct 2008 00:46:36 -0400 Subject: Hook ext4 to the vfs fiemap interface. ext4_ext_walk_space() was reinstated to be used for iterating over file extents with a callback; it is used by the ext4 fiemap implementation. Signed-off-by: Eric Sandeen Signed-off-by: "Theodore Ts'o" Cc: linux-ext4@vger.kernel.org Cc: linux-fsdevel@vger.kernel.org --- fs/ext4/file.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'fs/ext4/file.c') diff --git a/fs/ext4/file.c b/fs/ext4/file.c index 62796b7e1d1b..6d5be156202a 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -140,6 +140,9 @@ static int ext4_file_mmap(struct file *file, struct vm_area_struct *vma) return 0; } +extern int ext4_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, + __u64 start, __u64 len); + const struct file_operations ext4_file_operations = { .llseek = generic_file_llseek, .read = do_sync_read, @@ -170,5 +173,6 @@ const struct inode_operations ext4_file_inode_operations = { #endif .permission = ext4_permission, .fallocate = ext4_fallocate, + .fiemap = ext4_fiemap, }; -- cgit v1.2.3