On Tue, Feb 17, 2015 at 12:47:50AM +0900, Namjae Jeon wrote: > From: Namjae Jeon <namjae.jeon@xxxxxxxxxxx> > > This patch implements fallocate's FALLOC_FL_INSERT_RANGE for Ext4. > > 1) Make sure that both offset and len are block size aligned. > 2) Update the i_size of inode by len bytes. > 3) Compute the file's logical block number against offset. If the computed > block number is not the starting block of the extent, split the extent > such that the block number is the starting block of the extent. > 4) Shift all the extents which are lying bewteen [offset, last allocated extent] > towards right by len bytes. This step will make a hole of len bytes > at offset. > > Signed-off-by: Namjae Jeon <namjae.jeon@xxxxxxxxxxx> > Signed-off-by: Ashish Sangwan <a.sangwan@xxxxxxxxxxx> I'll leave this for the ext4 folk to review. If I don't get a review by the time we're ready to merge the VFS and XFS code, then I'll leave it out and let Ted merge it inhis own time. Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
