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| author |   Eric Sandeen <sandeen@redhat.com> | 2008-10-07 00:46:36 -0400 |
|---|---|---|
| committer |   Theodore Ts'o <tytso@mit.edu> | 2008-10-07 00:46:36 -0400 |
| commit | 6873fa0de14e49c433f1f181c54e511f4f3d459d (patch) | |
| tree | 4759862db403c037c11f570f0b2ca5e25198073e /fs/ext4/file.c | |
| parent | generic block based fiemap implementation (diff) | |
| download | linux-dev-6873fa0de14e49c433f1f181c54e511f4f3d459d.tar.xz linux-dev-6873fa0de14e49c433f1f181c54e511f4f3d459d.zip | |
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.c | 4 |
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, }; |