btrfs-progs: Fix the argument requirement for '--subvol-extents'
The following commit changed the argument requirement for
'--subvol-extents', which causes it to call arg_strtou64() on NULL,
resulting a segfault.
d34cbe76
btrfs-progs: check: do not require argument for --subvol-extents
This patch revert the patch and change the help string and man page to
make it no longer confusing.
Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
This commit is contained in:
parent
8a26f850cd
commit
0f70b67a0c
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@ -32,6 +32,8 @@ create a new CRC tree.
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create a new extent tree.
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--check-data-csum::
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verify checkums of data blocks.
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--subvol-extents <subvolid>::
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show extent state for a subvolume.
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EXIT STATUS
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-----------
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@ -7544,7 +7544,7 @@ static struct option long_options[] = {
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{ "init-extent-tree", 0, NULL, 0 },
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{ "check-data-csum", 0, NULL, 0 },
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{ "backup", 0, NULL, 0 },
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{ "subvol-extents", no_argument, NULL, 'E' },
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{ "subvol-extents", 1, NULL, 'E' },
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{ "qgroup-report", 0, NULL, 'Q' },
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{ NULL, 0, NULL, 0}
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};
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@ -7560,7 +7560,7 @@ const char * const cmd_check_usage[] = {
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"--init-extent-tree create a new extent tree",
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"--check-data-csum verify checkums of data blocks",
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"--qgroup-report print a report on qgroup consistency",
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"--subvol-extents print subvolume extents and sharing state",
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"--subvol-extents <subvolid> print subvolume extents and sharing state",
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NULL
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};
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