Signed-off-by: Wang Shilong <wangsl.f...@cn.fujitsu.com> Signed-off-by: Qu Wenruo <quwen...@cn.fujitsu.com> --- V1->V2: GPLv3->GPLv2 --- btrfs-debug-tree.c | 2 +- man/Makefile | 3 ++- man/btrfs-debug-tree.8.in | 41 +++++++++++++++++++++++++++++++++++++++++ 3 files changed, 44 insertions(+), 2 deletions(-) create mode 100644 man/btrfs-debug-tree.8.in
diff --git a/btrfs-debug-tree.c b/btrfs-debug-tree.c index bae7f94..dc912f1 100644 --- a/btrfs-debug-tree.c +++ b/btrfs-debug-tree.c @@ -195,7 +195,7 @@ int main(int ac, char **av) if (!leaf) { fprintf(stderr, "failed to read %llu\n", (unsigned long long)block_only); - return 0; + exit(1); } btrfs_print_tree(root, leaf, 0); return 0; diff --git a/man/Makefile b/man/Makefile index 1ba23b5..e5c1f7c 100644 --- a/man/Makefile +++ b/man/Makefile @@ -11,7 +11,8 @@ man8dir = $(mandir)/man8 # list only those we use .SUFFIXES: .in .gz -MANPAGES = mkfs.btrfs.8.gz btrfsck.8.gz btrfs-image.8.gz btrfs.8.gz +MANPAGES = mkfs.btrfs.8.gz btrfsck.8.gz btrfs-image.8.gz btrfs.8.gz \ + btrfs-debug-tree.8.gz INFILES = ${MANPAGES:.in=.gz} all: $(MANPAGES) diff --git a/man/btrfs-debug-tree.8.in b/man/btrfs-debug-tree.8.in new file mode 100644 index 0000000..281fe98 --- /dev/null +++ b/man/btrfs-debug-tree.8.in @@ -0,0 +1,41 @@ +.TH BTRFS-DEBUG-TREE 8 +.SH NAME +btrfs-debug-tree \- dump Btrfs filesystem metadata into stdout. +.SH SYNOPSIS +.B btrfs-debug-tree [\fIoptions\fP] \fI<device>\fP +.SH DESCRIPTION +\fBbtrfs-debug-tree\fP is used to dump the whole tree of the given device. +This is maybe useful for analyzing filesystem state or inconsistence and has +a positive educational effect on understanding the internal structure. +\fIdevice\fP is the device file where the filesystem is stored. + +\fIOptions\fP +.IP "\fB-e\fP" 5 +print detailed extents info. +.IP "\fB-d\fP" 5 +print info of btrfs device and root tree dirs only. +.IP "\fB-r\fP" 5 +print info of roots only. +.IP "\fB-b \fI<block_num>\fP" 5 +print info of the specified block only. + +.SH EXIT CODE +\fBbtrfs-debug-tree\fP will return 0 if no error happened. +If any problems happened, 1 will be returned. + +.SH AUTHOR +Written by Shilong Wang and Wenruo Qu. + +.SH COPYRIGHT +Copyright \(co 2013 Fujitsu, Inc. +License GPLv2: GNU GPL version 2 <http://gnu.org/licenses/gpl.html>. +.br +This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. +.SH AVAILABILITY +.B btrfs-debug-tree +is part of btrfs-progs. Btrfs is currently under heavy development, +and not suitable for any uses other than benchmarking and review. +Please refer to the btrfs wiki http://btrfs.wiki.kernel.org for +further details. +.SH SEE ALSO +.BR mkfs.btrfs (8) -- 1.8.0.1 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html