diff options
Diffstat (limited to 'Documentation/filesystems/nfs')
-rw-r--r-- | Documentation/filesystems/nfs/pnfs.txt | 13 |
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. | |||
57 | layout drivers | 57 | layout drivers |
58 | -------------- | 58 | -------------- |
59 | 59 | ||
60 | PNFS utilizes what is called layout drivers. The STD defines 3 basic | 60 | PNFS utilizes what is called layout drivers. The STD defines 4 basic |
61 | layout types: "files" "objects" and "blocks". For each of these types | 61 | layout types: "files", "objects", "blocks", and "flexfiles". For each |
62 | there is a layout-driver with a common function-vectors table which | 62 | of these types there is a layout-driver with a common function-vectors |
63 | are called by the nfs-client pnfs-core to implement the different layout | 63 | table which are called by the nfs-client pnfs-core to implement the |
64 | types. | 64 | different layout types. |
65 | 65 | ||
66 | Files-layout-driver code is in: fs/nfs/nfs4filelayout.c && nfs4filelayoutdev.c | 66 | Files-layout-driver code is in: fs/nfs/filelayout/.. directory |
67 | Objects-layout-deriver code is in: fs/nfs/objlayout/.. directory | 67 | Objects-layout-deriver code is in: fs/nfs/objlayout/.. directory |
68 | Blocks-layout-deriver code is in: fs/nfs/blocklayout/.. directory | 68 | Blocks-layout-deriver code is in: fs/nfs/blocklayout/.. directory |
69 | Flexfiles-layout-driver code is in: fs/nfs/flexfilelayout/.. directory | ||
69 | 70 | ||
70 | objects-layout setup | 71 | objects-layout setup |
71 | -------------------- | 72 | -------------------- |