https://bugzilla.kernel.org/show_bug.cgi?id=105121 --- Comment #2 from ValdikSS <iam@xxxxxxxxxxxxxxx> --- >Out of curiosity, what was the use case that caused you to notice this? A person was wondering why cat|grep works faster than grep file on usual files and his test case involved creating file with fallocate and cat it before grepping. He was apparently used btrfs and had 2 seconds difference while it hang for me as grep does literally what's in the attached source. -- You are receiving this mail because: You are watching the assignee of the bug. -- 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