From e8b4ab54c6d525bb1e9ed772c000747fb0a5712a Mon Sep 17 00:00:00 2001 From: Zygo Blaxell Date: Wed, 17 Jan 2018 21:46:15 -0500 Subject: [PATCH] README: describe the scanning mode (-m option) Include a brief description of the two algorithms without getting into too much detail for an ostensibly temporary feature. Signed-off-by: Zygo Blaxell --- README.md | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/README.md b/README.md index a9295b1..da5e68b 100644 --- a/README.md +++ b/README.md @@ -500,6 +500,11 @@ Command Line Options Default is 1.0, i.e. 1 worker thread per detected CPU. Use values below 1.0 to leave some cores idle, or above 1.0 if there are more disks than CPUs in the filesystem. +* --scan-mode (-m) MODE + * Specify extent scanning algorithm. Default mode is 0. + _EXPERIMENTAL_ feature that may go away. + * Mode 0: scan extents in ascending order of (inode, subvol, offset). + * Mode 1: scan extents in round-robin order from each subvol. * --timestamps (-t) * Enable timestamps in log output. * --notimestamps (-T)