From: Zygo Blaxell <ce3g8jdj@umail.furryterror.org>
To: linux-btrfs@vger.kernel.org
Subject: [PATCH 6/6] btrfs-progs: inspect-internal: document new logical-resolve options and kernel requirements
Date: Tue, 26 Nov 2019 22:55:09 -0500 [thread overview]
Message-ID: <20191127035509.15011-7-ce3g8jdj@umail.furryterror.org> (raw)
In-Reply-To: <20191127035509.15011-1-ce3g8jdj@umail.furryterror.org>
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 --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)
--
2.20.1
next prev parent reply other threads:[~2019-11-27 4:45 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-27 3:55 [PATCH 0/6] btrfs-progs: add support for LOGICAL_INO_V2 features in logical-resolve Zygo Blaxell
2019-11-27 3:55 ` [PATCH 1/6] btrfs-progs: ioctl-test: add LOGICAL_INO_V2 Zygo Blaxell
2019-11-27 3:55 ` [PATCH 2/6] btrfs-progs: libbtrfsutil: " Zygo Blaxell
2019-11-27 3:55 ` [PATCH 3/6] btrfs-progs: add LOGICAL_INO_V2 to ioctl.h Zygo Blaxell
2019-11-27 3:55 ` [PATCH 4/6] btrfs-progs: inspect: add support for LOGICAL_INO_V2 ioctl Zygo Blaxell
2019-11-27 3:55 ` [PATCH 5/6] btrfs-progs: inspect: increase logical-resolve default buffer size to 64K Zygo Blaxell
2019-11-27 3:55 ` Zygo Blaxell [this message]
2019-12-02 11:02 ` [PATCH 0/6] btrfs-progs: add support for LOGICAL_INO_V2 features in logical-resolve Anand Jain
2019-12-02 18:42 ` Zygo Blaxell
2019-12-03 1:08 ` Anand Jain
2020-01-02 19:00 ` David Sterba
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