LU-3223 utils: multiple args for path2fid/fid2path

[fs/lustre-release.git] / lustre / doc / lfs.1

diff --git a/lustre/doc/lfs.1 b/lustre/doc/lfs.1
index 1d7d9ce..7db5642 100644 (file)
--- a/lustre/doc/lfs.1
+++ b/lustre/doc/lfs.1
@@ -13,6 +13,8 @@ lfs \- Lustre utility to create a file with specific striping pattern, find the
 .br
 .B lfs df [-i] [-h] [--pool|-p <fsname>[.<pool>] [path]
 .br
+.B lfs fid2path [--link <linkno>] <fsname|rootpath> <fid> ...
+.br
 .B lfs find <directory|filename>
         \fB[[!] --atime|-A [-+]N] [[!] --mtime|-M [-+]N] [[!] --ctime|-C [+-]N]
         \fB[--maxdepth|-D N] [[!] --mdt|-m <uuid|index,...>] [--name|-n pattern]
@@ -40,6 +42,8 @@ lfs \- Lustre utility to create a file with specific striping pattern, find the
 .B lfs osts
 .RB [ path ]
 .br
+.B path2fid <path> ...
+.br
 .B lfs pool_list <filesystem>[.<pool>] | <pathname>
 .br
 .B lfs quota [-q] [-v] [-o obd_uuid|-I ost_idx|-i mdt_idx] [-u <uname>| -u <uid>|-g <gname>| -g <gid>] <filesystem>
@@ -73,6 +77,9 @@ lfs \- Lustre utility to create a file with specific striping pattern, find the
              \fB[-b <block-grace>] [-i <inode-grace>]
              \fB<filesystem>\fR
 .br
+.br
+.B lfs swap_layouts <filename1> <filename2>
+.br
 .B lfs data_version [-n] \fB<filename>\fR
 .br
 .B lfs help
@@ -192,6 +199,18 @@ must be part of the pool or an error will be returned.
 .B setstripe -d
 Delete the default striping on the specified directory.
 .TP
+.B fid2path [--link <linkno>] <fsname|rootpath> <fid> ...
+Print out the pathname(s) for the specified \fIfid\fR(s) from the filesystem
+mounted at \fBrootpath\fR or named \fBfsname\fR.  If a file has multiple
+hard links, then all of the pathnames for that file are printed, unless
+\fB--link\fR limits the printing to only the specified link number (starting
+at 0, in no particular order).  If multiple fids are specified, but only a
+single pathname is needed for each file, use \fB--link 0\fR.
+.TP
+.B path2fid <path> ...
+Print out the FIDs for the specified \fBpath(s)\fR.  If multiple pathnames
+are given, then they will be printed one per line with the path as prefix.
+.TP
 .B pool_list
 .RI { filesystem }[ .poolname "] | {" pathname }
 List the pools in 
@@ -222,6 +241,13 @@ To set filesystem quotas for users or groups. Limits can be specified with -b, -
 .B setquota -t [-u|-g] [--block-grace <block-grace>] [--inode-grace <inode-grace>] <filesystem>
 To set filesystem quota grace times for users or groups. Grace time is specified in "XXwXXdXXhXXmXXs" format or as an integer seconds value, see EXAMPLES
 .TP
+.B swap_layouts <filename1> <filename2>
+Swap the data (layout and OST objects) of two regular files. The
+two files have to be in the same filesystem, owned by the same user,
+reside on the same MDT and writable by the user.
+
+Swapping the layout of two directories is not permitted.
+.TP
 .B data_version [-n] <filename>
 Display current version of file data. If -n is specified, data version is read
 without taking lock. As a consequence, data version could be outdated if there
@@ -300,5 +326,6 @@ The \fBlfs find\fR command isn't as comprehensive as \fBfind\fR(1).
 .SH AUTHOR
 The lfs command is part of the Lustre filesystem.
 .SH SEE ALSO
+.BR lfs-hsm (1),
 .BR lctl (8),
 .BR lustre (7)