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From: "Darrick J. Wong" <darrick.wong@oracle.com>
To: tytso@mit.edu, darrick.wong@oracle.com
Cc: linux-ext4@vger.kernel.org
Subject: [PATCH 02/31] debugfs: document new commands
Date: Sat, 20 Dec 2014 13:16:53 -0800	[thread overview]
Message-ID: <20141220211653.25563.55147.stgit@birch.djwong.org> (raw)
In-Reply-To: <20141220211640.25563.80596.stgit@birch.djwong.org>

Document the new journal and xattr commands in the debugfs manpage.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
---
 debugfs/debugfs.8.in |   47 ++++++++++++++++++++++++++++++++++++++++++++++-
 debugfs/do_journal.c |    3 ++-
 2 files changed, 48 insertions(+), 2 deletions(-)


diff --git a/debugfs/debugfs.8.in b/debugfs/debugfs.8.in
index 8f44ced..04c280d 100644
--- a/debugfs/debugfs.8.in
+++ b/debugfs/debugfs.8.in
@@ -262,6 +262,32 @@ not stored in filesystem data structures.   Hence, the values displayed
 may not necessarily by accurate and does not indicate a problem or
 corruption in the file system.)
 .TP
+.BI ea_get " [-f outfile] filespec attr_name"
+Retrieve the value of the extended attribute
+.I attr_name
+in the file
+.I filespec
+and write it either to stdout or to \fIoutfile\fR.
+.TP
+.BI ea_list " filespec
+List the extended attributes associated with the file
+.I filespec
+to standard output.
+.TP
+.BI ea_set " [-f infile] filespec attr_name attr_value
+Set the value of the extended attribute
+.I attr_name
+in the file
+.I filespec
+to the string value
+.I attr_value
+or read it from \fIinfile\fR.
+.TP
+.BI ea_rm " filespec attr_names...
+Remove the extended attribute
+.I attr_name
+from the file \fIfilespec\fR.
+.TP
 .BI expand_dir " filespec"
 Expand the directory
 .IR filespec .
@@ -373,6 +399,26 @@ to do this, use the
 program.  This is just a call to the low-level library, which sets up
 the superblock and block descriptors.
 .TP
+.BI journal_close
+Close the open journal.
+.TP
+.BI journal_open " [-c] [-v ver] [-j ext_jnl]
+Opens the journal for reading and writing.  Journal checksumming can
+be enabled by supplying \fI-c\fR; checksum formats 2 and 3 can be
+selected with the \fI-v\fR option.  An external journal can be loaded
+from \fIext_jnl\fR.
+.TP
+.BI journal_run
+Replay all transactions in the open journal.
+.TP
+.BI journal_write " [-b blocks] [-r revoke] [-c] file
+Write a transaction to the open journal.  The list of blocks to write
+should be supplied as a comma-separated list in \fIblocks\fR; the
+blocks themselves should be readable from \fIfile\fR.  A list of
+blocks to revoke can be supplied as a comma-separated list in
+\fIrevoke\fR.  By default, a commit record is written at the end; the
+\fI-c\fR switch writes an uncommitted transaction.
+.TP
 .BI kill_file " filespec"
 Deallocate the inode
 .I filespec
@@ -667,7 +713,6 @@ into a newly-created file in the filesystem named
 .IR out_file .
 .TP
 .BI zap_block " [-f filespec] [-o offset] [-l length] [-p pattern] block_num"
-.TP
 Overwrite the block specified by
 .I block_num
 with zero (NUL) bytes, or if
diff --git a/debugfs/do_journal.c b/debugfs/do_journal.c
index a17af6e..46d1793 100644
--- a/debugfs/do_journal.c
+++ b/debugfs/do_journal.c
@@ -925,9 +925,10 @@ void do_journal_open(int argc, char *argv[])
 			}
 			break;
 		default:
-			printf("%s: [-c] [-v ver]\n", argv[0]);
+			printf("%s: [-c] [-v ver] [-f ext_jnl]\n", argv[0]);
 			printf("-c: Enable journal checksumming.\n");
 			printf("-v: Use this version checksum format.\n");
+			printf("-j: Load this external journal.\n");
 		}
 	}
 


  parent reply	other threads:[~2014-12-20 21:16 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-12-20 21:16 [PATCH 00/31] e2fsprogs December 2014 patchbomb Darrick J. Wong
2014-12-20 21:16 ` [PATCH 01/31] misc: fix clang warnings and a resource leak Darrick J. Wong
2015-01-19 21:39   ` Theodore Ts'o
2014-12-20 21:16 ` Darrick J. Wong [this message]
2014-12-20 21:17 ` [PATCH 03/31] libext2fs: zero blocks via FALLOC_FL_ZERO_RANGE in ext2fs_zero_blocks Darrick J. Wong
2014-12-20 21:17 ` [PATCH 04/31] libext2fs: ext2fs_new_block2() should call alloc_block hook Darrick J. Wong
2014-12-20 21:17 ` [PATCH 05/31] tune2fs: disable csum verification before resizing inode Darrick J. Wong
2014-12-20 21:17 ` [PATCH 06/31] e2fsck: clear i_block[] when there are too many bad mappings on a special inode Darrick J. Wong
2014-12-20 21:17 ` [PATCH 07/31] libext2fs/e2fsck: provide routines to read-ahead metadata Darrick J. Wong
2014-12-20 21:17 ` [PATCH 08/31] e2fsck: read-ahead metadata during passes 1, 2, and 4 Darrick J. Wong
2014-12-20 21:17 ` [PATCH 09/31] e2fsck: track directories to be rehashed with a bitmap Darrick J. Wong
2014-12-20 21:17 ` [PATCH 10/31] e2fsck: rebuild sparse extent trees/convert non-extent ext3 files Darrick J. Wong
2014-12-20 21:17 ` [PATCH 11/31] tests: verify proper rebuilding of sparse extent trees and block map file conversion Darrick J. Wong
2014-12-20 21:18 ` [PATCH 12/31] undo-io: add new calls to and speed up the undo io manager Darrick J. Wong
2014-12-20 21:18 ` [PATCH 13/31] undo-io: be more flexible about setting block size Darrick J. Wong
2014-12-20 21:18 ` [PATCH 14/31] undo-io: use a bitmap to track what we've already written Darrick J. Wong
2014-12-20 21:18 ` [PATCH 15/31] e2undo: fix memory leaks and tweak the error messages somewhat Darrick J. Wong
2014-12-20 21:18 ` [PATCH 16/31] e2undo: ditch tdb file, write everything to a flat file Darrick J. Wong
2015-01-08  1:36   ` Darrick J. Wong
2014-12-20 21:18 ` [PATCH 17/31] e2fsck: optionally create an undo file Darrick J. Wong
2014-12-20 21:18 ` [PATCH 18/31] resize2fs: optionally create " Darrick J. Wong
2014-12-20 21:18 ` [PATCH 19/31] tune2fs: " Darrick J. Wong
2014-12-20 21:19 ` [PATCH 20/31] mke2fs: " Darrick J. Wong
2014-12-20 21:19 ` [PATCH 21/31] debugfs: " Darrick J. Wong
2014-12-20 21:19 ` [PATCH 22/31] tests: test undo file creation in e2fsck/resize2fs/tune2fs/mke2fs Darrick J. Wong
2014-12-20 21:19 ` [PATCH 23/31] tests: test various features of the new e2undo format Darrick J. Wong
2014-12-20 21:19 ` [PATCH 24/31] libext2fs: support allocating uninit blocks in bmap2() Darrick J. Wong
2014-12-20 21:19 ` [PATCH 25/31] libext2fs: find/alloc a range of empty blocks Darrick J. Wong
2014-12-20 21:19 ` [PATCH 26/31] libext2fs: add new hooks to support large allocations Darrick J. Wong
2014-12-20 21:19 ` [PATCH 27/31] libext2fs: implement fallocate Darrick J. Wong
2014-12-20 21:19 ` [PATCH 28/31] libext2fs: use fallocate for creating journals and hugefiles Darrick J. Wong
2014-12-20 21:20 ` [PATCH 29/31] debugfs: implement fallocate Darrick J. Wong
2014-12-20 21:20 ` [PATCH 30/31] tests: test debugfs punch command Darrick J. Wong
2014-12-22 18:53 ` [PATCH 32/31] libext2fs: initialize i_extra_isize when writing EAs Darrick J. Wong
2014-12-22 22:22   ` Andreas Dilger
2014-12-22 22:32     ` Darrick J. Wong
2014-12-22 22:55   ` [PATCH v2 " Darrick J. Wong
2014-12-22 18:55 ` [PATCH 33/31] e2fsck: on read error, don't rewrite blocks past the end of the fs Darrick J. Wong
2014-12-22 18:55 ` [PATCH 34/31] e2fsck: fix the journal recreation message Darrick J. Wong
2014-12-22 18:57 ` [PATCH 35/31] libext2fs: avoid pointless EA block allocation Darrick J. Wong
2014-12-22 18:57 ` [PATCH 36/31] libext2fs: strengthen i_extra_isize checks when reading/writing xattrs Darrick J. Wong
2014-12-22 18:57 ` [PATCH 37/31] libext2fs: fix tdb.c mmap leak Darrick J. Wong

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