LU-14712 e2fsprogs: support EXT2_FLAG_BG_TRIMMED and EXT2_FLAGS_TRACK_TRIM

[tools/e2fsprogs.git] / misc / tune2fs.8.in

diff --git a/misc/tune2fs.8.in b/misc/tune2fs.8.in
index 1fce818..42ba8dd 100644 (file)
--- a/misc/tune2fs.8.in
+++ b/misc/tune2fs.8.in
@@ -282,6 +282,14 @@ mounted using experimental kernel code, such as the ext4dev file system.
 .B ^test_fs
 Clear the test_fs flag, indicating the file system should only be mounted
 using production-level file system code.
+.TP
+.B track_trim
+Set a flag in the file system superblock to make fstrim save the trim status
+in each block group and skip the block groups already been trimmed.
+.TP
+.B ^track_trim
+Clear the track_trim flag to make fstrim ignore the trim status saved in
+each block group, and trim every block group.
 .RE
 .TP
 .B \-f