Btrfs: Show discard option in /proc/mounts
Christoph's patch e244a0aeb6
doesn't display
the discard option in /proc/mounts, leading to some confusion for me.
Here's the missing bit.
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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@ -457,6 +457,8 @@ static int btrfs_show_options(struct seq_file *seq, struct vfsmount *vfs)
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seq_puts(seq, ",notreelog");
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if (btrfs_test_opt(root, FLUSHONCOMMIT))
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seq_puts(seq, ",flushoncommit");
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if (btrfs_test_opt(root, DISCARD))
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seq_puts(seq, ",discard");
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if (!(root->fs_info->sb->s_flags & MS_POSIXACL))
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seq_puts(seq, ",noacl");
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return 0;
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