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authorTom Haynes <loghyr@primarydata.com>2015-01-12 22:51:45 +0300
committerTom Haynes <loghyr@primarydata.com>2015-02-03 22:06:53 +0300
commit8f9cdcb26b62f1a9b071a82820c7b08ac7439406 (patch)
tree31dd2e5ba9e9b798f9db888d7df8f95fae1b0606 /Documentation/filesystems/nfs
parentd67ae825a59d639e4d8b82413af84d854617a87e (diff)
downloadlinux-8f9cdcb26b62f1a9b071a82820c7b08ac7439406.tar.xz
pnfs: Update documentation on the Layout Drivers
Signed-off-by: Tom Haynes <loghyr@primarydata.com>
Diffstat (limited to 'Documentation/filesystems/nfs')
-rw-r--r--Documentation/filesystems/nfs/pnfs.txt13
1 files changed, 7 insertions, 6 deletions
diff --git a/Documentation/filesystems/nfs/pnfs.txt b/Documentation/filesystems/nfs/pnfs.txt
index adc81a35fe2d..44a9f2493a88 100644
--- a/Documentation/filesystems/nfs/pnfs.txt
+++ b/Documentation/filesystems/nfs/pnfs.txt
@@ -57,15 +57,16 @@ bit is set, preventing any new lsegs from being added.
layout drivers
--------------
-PNFS utilizes what is called layout drivers. The STD defines 3 basic
-layout types: "files" "objects" and "blocks". For each of these types
-there is a layout-driver with a common function-vectors table which
-are called by the nfs-client pnfs-core to implement the different layout
-types.
+PNFS utilizes what is called layout drivers. The STD defines 4 basic
+layout types: "files", "objects", "blocks", and "flexfiles". For each
+of these types there is a layout-driver with a common function-vectors
+table which are called by the nfs-client pnfs-core to implement the
+different layout types.
-Files-layout-driver code is in: fs/nfs/nfs4filelayout.c && nfs4filelayoutdev.c
+Files-layout-driver code is in: fs/nfs/filelayout/.. directory
Objects-layout-deriver code is in: fs/nfs/objlayout/.. directory
Blocks-layout-deriver code is in: fs/nfs/blocklayout/.. directory
+Flexfiles-layout-driver code is in: fs/nfs/flexfilelayout/.. directory
objects-layout setup
--------------------