File 0190-btrfs-progs-document-fi-df.patch of Package btrfsprogs

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File 0190-btrfs-progs-document-fi-df.patch of Package btrfsprogs (Revision fad05b87f11e2d3b079c581a72bba7b5)

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From 13a29ecb84a41af67c1d96c2c5f2848738a2f570 Mon Sep 17 00:00:00 2001
From: David Sterba <dsterba@suse.cz>
Date: Tue, 27 Mar 2012 00:02:35 +0200
Subject: [PATCH 07/10] btrfs-progs: document fi df

Signed-off-by: David Sterba <dsterba@suse.cz>
---
 btrfs_cmds.c |   31 +++++++++++++++++++++++++++++++
 1 files changed, 31 insertions(+), 0 deletions(-)

diff --git a/btrfs_cmds.c b/btrfs_cmds.c
index c2fd09e..f7310ee 100644
--- a/btrfs_cmds.c
+++ b/btrfs_cmds.c
@@ -1871,6 +1871,37 @@ int do_get_default_subvol(int nargs, char **argv)
 	return 0;
 }
 
+/**** man: btrfs filesystem df
+ * 
+ * \Bbtrfs\b \Bfilesystem df\b\I <path>\i
+ * 
+ * Print allocated and used data for all block group types.
+ * 
+ * Print allocated and used data for all block group types.
+ * 
+ * Example of filesystem created with default mkfs options:
+ * 
+ *  Data, RAID0: total=4.00GiB, used=0.00
+ *  Data: total=8.00MiB, used=0.00
+ *  System, RAID1: total=8.00MiB, used=4.00KiB
+ *  System: total=4.00MiB, used=0.00
+ *  Metadata, RAID1: total=1.00GiB, used=24.00KiB
+ *  Metadata: total=8.00MiB, used=0.00
+ * 
+ * Example of filesystem created with \Isingle\i profiles for data and metadata:
+ * 
+ *  Data: total=38.99GiB, used=58.89MiB
+ *  System: total=4.00MiB, used=12.00KiB
+ *  Metadata: total=1.01GiB, used=2.86MiB
+ * 
+ * \Itotal\i	allocated space
+ * \t
+ * \Iused\i	actually used data
+ * 
+ * This information gives better idea of allocated space than the 'df' utility,
+ * though it does not actually answer the question of how much free space there is.
+ ****/
+
 int do_df_filesystem(int nargs, char **argv)
 {
 	struct btrfs_ioctl_space_args *sargs;
-- 
1.7.6.233.gd79bc

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File 0190-btrfs-progs-document-fi-df.patch of Package btrfsprogs (Revision fad05b87f11e2d3b079c581a72bba7b5)

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