[PATCH] xfs_io: fix fsmap help

[Christoph Hellwig <hch@lst.de>]

By default fsmap prints the reverse mapping for all devices.  Update the
help text to correctly reflect that.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 io/fsmap.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/io/fsmap.c b/io/fsmap.c
index 005d32e500a0..0182154fee47 100644
--- a/io/fsmap.c
+++ b/io/fsmap.c
@@ -24,7 +24,8 @@ fsmap_help(void)
 "\n"
 " Prints the block mapping for the filesystem hosting the current file"
 "\n"
-" fsmap prints the map of disk blocks used by the whole filesystem.\n"
+" fsmap prints the map of disk blocks used on a given file system filesystem.\n"
+" By default, the blocks for all devices are printed.\n"
 " When possible, owner and offset information will be included in the\n"
 " space report.\n"
 "\n"
@@ -32,7 +33,7 @@ fsmap_help(void)
 "     extent: major:minor [startblock..endblock]: owner startoffset..endoffset length\n"
 " The owner field is either an inode number or a special value.\n"
 " All the file offsets and disk blocks are in units of 512-byte blocks.\n"
-" -d -- query only the data device (default).\n"
+" -d -- query only the data device.\n"
 " -l -- query only the log device.\n"
 " -r -- query only the realtime device.\n"
 " -n -- query n extents at a time.\n"
-- 
2.47.3