diff mbox series

[6/6] btrfs-progs: inspect-internal: document new logical-resolve options and kernel requirements

Message ID 20191127035509.15011-7-ce3g8jdj@umail.furryterror.org (mailing list archive)
State New, archived
Headers show
Series btrfs-progs: add support for LOGICAL_INO_V2 features in logical-resolve | expand

Commit Message

Zygo Blaxell Nov. 27, 2019, 3:55 a.m. UTC 
Document the new options requiring the V2 ioctl and the increased
default buffer size.

Signed-off-by: Zygo Blaxell <ce3g8jdj@umail.furryterror.org>
---
 Documentation/btrfs-inspect-internal.asciidoc | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/Documentation/btrfs-inspect-internal.asciidoc b/Documentation/btrfs-inspect-internal.asciidoc
index 2abf044a..39e41e74 100644
--- a/Documentation/btrfs-inspect-internal.asciidoc
+++ b/Documentation/btrfs-inspect-internal.asciidoc
@@ -125,7 +125,7 @@  at 'path', ie. all hardlinks
 -v::::
 verbose mode, print count of returned paths and ioctl() return value
 
-*logical-resolve* [-Pv] [-s <bufsize>] <logical> <path>::
+*logical-resolve* [-Pvo] [-s <bufsize>] <logical> <path>::
 (needs root privileges)
 +
 resolve paths to all files at given 'logical' address in the linear filesystem space
@@ -136,8 +136,10 @@  resolve paths to all files at given 'logical' address in the linear filesystem s
 skip the path resolving and print the inodes instead
 -v::::
 verbose mode, print count of returned paths and all ioctl() return values
+-o::::
+ignore offsets, find all references to an extent instead of a single block.  Requires kernel support for the V2 ioctl.
 -s <bufsize>::::
-set internal buffer for storing the file names to 'bufsize', default is 4096, maximum 64k
+set internal buffer for storing the file names to 'bufsize', default is 64k, maximum 16m.  Buffer sizes over 64K require kernel support for the V2 ioctl.
 
 *min-dev-size* [options] <path>::
 (needs root privileges)