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| author |   Trond Myklebust <trond.myklebust@hammerspace.com> | 2018-09-03 13:12:15 -0400 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2018-09-30 15:35:16 -0400 |
| commit | 28ced9a84cd2f9fc68a081fb3b34e70c5d459be3 (patch) | |
| tree | 2fce92ffd58bdf780ba75c51838f95f38cfe6f00 /fs/nfs/filelayout/filelayout.c | |
| parent | pNFS: Don't zero out the array in nfs4_alloc_pages() (diff) | |
| download | linux-dev-28ced9a84cd2f9fc68a081fb3b34e70c5d459be3.tar.xz linux-dev-28ced9a84cd2f9fc68a081fb3b34e70c5d459be3.zip | |
pNFS: Don't allocate more pages than we need to fit a layoutget response
For the 'files' and 'flexfiles' layout types, we do not expect the reply
to be any larger than 4k. The block and scsi layout types are a little more
greedy, so we keep allocating the maximum response size for now.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'fs/nfs/filelayout/filelayout.c')
| -rw-r--r-- | fs/nfs/filelayout/filelayout.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/nfs/filelayout/filelayout.c b/fs/nfs/filelayout/filelayout.c index d175724ff566..61f46facb39c 100644 --- a/fs/nfs/filelayout/filelayout.c +++ b/fs/nfs/filelayout/filelayout.c @@ -1164,6 +1164,7 @@ static struct pnfs_layoutdriver_type filelayout_type = { .id = LAYOUT_NFSV4_1_FILES, .name = "LAYOUT_NFSV4_1_FILES", .owner = THIS_MODULE, + .max_layoutget_response = 4096, /* 1 page or so... */ .alloc_layout_hdr = filelayout_alloc_layout_hdr, .free_layout_hdr = filelayout_free_layout_hdr, .alloc_lseg = filelayout_alloc_lseg, |