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authorEric Sandeen <sandeen@redhat.com>2008-10-07 00:46:36 -0400
committerTheodore Ts'o <tytso@mit.edu>2008-10-07 00:46:36 -0400
commit6873fa0de14e49c433f1f181c54e511f4f3d459d (patch)
tree4759862db403c037c11f570f0b2ca5e25198073e /fs/ext4/file.c
parent68c9d702bb72f367f3b148963ec6cf5e07ff7f65 (diff)
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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 <sandeen@redhat.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Cc: linux-ext4@vger.kernel.org Cc: linux-fsdevel@vger.kernel.org
Diffstat (limited to 'fs/ext4/file.c')
-rw-r--r--fs/ext4/file.c4
1 files changed, 4 insertions, 0 deletions
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,
};