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-rw-r--r--Documentation/ABI/testing/sysfs-fs-erofs10
1 files changed, 9 insertions, 1 deletions
diff --git a/Documentation/ABI/testing/sysfs-fs-erofs b/Documentation/ABI/testing/sysfs-fs-erofs
index bf3b6299c15e..76d9808ed581 100644
--- a/Documentation/ABI/testing/sysfs-fs-erofs
+++ b/Documentation/ABI/testing/sysfs-fs-erofs
@@ -5,7 +5,7 @@ Description: Shows all enabled kernel features.
Supported features:
zero_padding, compr_cfgs, big_pcluster, chunked_file,
device_table, compr_head2, sb_chksum, ztailpacking,
- dedupe, fragments.
+ dedupe, fragments, 48bit, metabox.
What: /sys/fs/erofs/<disk>/sync_decompress
Date: November 2021
@@ -35,3 +35,11 @@ Description: Used to set or show hardware accelerators in effect
and multiple accelerators are separated by '\n'.
Supported accelerator(s): qat_deflate.
Disable all accelerators with an empty string (echo > accel).
+
+What: /sys/fs/erofs/<disk>/dir_ra_bytes
+Date: July 2025
+Contact: "Chao Yu" <chao@kernel.org>
+Description: Used to set or show readahead bytes during readdir(), by
+ default the value is 16384.
+
+ - 0: disable readahead.