On Tue, Dec 02, 2014 at 03:00:54PM +0400, Dmitry Monakhov wrote: > It is rediculus practice to scan inode block by block, this technique > applicable only for old indirect files. This takes signifficant amount > of time for really large files. Let's reuse ext4_fiemap which already > traverse inode-tree in most optimal meaner. > > TESTCASE: > ftruncate64(fd, 0); > ftruncate64(fd, 1ULL << 40); > /* lseek will spin very long time */ > lseek64(fd, 0, SEEK_DATA); > lseek64(fd, 0, SEEK_HOLE); Thanks, applied. - Ted -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
