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| author | Trond Myklebust <trond.myklebust@hammerspace.com> | 2018-09-03 20:12:15 +0300 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2018-09-30 22:35:16 +0300 |
| commit | 28ced9a84cd2f9fc68a081fb3b34e70c5d459be3 (patch) | |
| tree | 2fce92ffd58bdf780ba75c51838f95f38cfe6f00 /fs/nfs/flexfilelayout | |
| parent | a2791d3a2cee9432e78bbdcfde586ef54e32d223 (diff) | |
| download | linux-28ced9a84cd2f9fc68a081fb3b34e70c5d459be3.tar.xz | |
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/flexfilelayout')
| -rw-r--r-- | fs/nfs/flexfilelayout/flexfilelayout.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c index cae43333ef16..86bcba40ca61 100644 --- a/fs/nfs/flexfilelayout/flexfilelayout.c +++ b/fs/nfs/flexfilelayout/flexfilelayout.c @@ -2356,6 +2356,7 @@ static struct pnfs_layoutdriver_type flexfilelayout_type = { .name = "LAYOUT_FLEX_FILES", .owner = THIS_MODULE, .flags = PNFS_LAYOUTGET_ON_OPEN, + .max_layoutget_response = 4096, /* 1 page or so... */ .set_layoutdriver = ff_layout_set_layoutdriver, .alloc_layout_hdr = ff_layout_alloc_layout_hdr, .free_layout_hdr = ff_layout_free_layout_hdr, |