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| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2015-08-31 01:25:11 -0700 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2015-08-31 01:33:12 -0700 |
| commit | 4ae93560b11cb2b57ea5732d442458694ab0c168 (patch) | |
| tree | 7560bbc0d3f4b9091ee0dcde21889abc4ba105fb /fs/nfs/pnfs.c | |
| parent | 4a1e2feb9d246775dee0f78ed5b18826bae2b1c5 (diff) | |
| download | linux-stable-4ae93560b11cb2b57ea5732d442458694ab0c168.tar.gz linux-stable-4ae93560b11cb2b57ea5732d442458694ab0c168.tar.bz2 linux-stable-4ae93560b11cb2b57ea5732d442458694ab0c168.zip | |
NFSv4.1/pnfs: Don't ask for a read layout for an empty file.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs/pnfs.c')
| -rw-r--r-- | fs/nfs/pnfs.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index 4eec540de9ea..c4f918eca3d2 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -1494,6 +1494,9 @@ pnfs_update_layout(struct inode *ino, if (!pnfs_enabled_sb(NFS_SERVER(ino))) goto out; + if (iomode == IOMODE_READ && i_size_read(ino) == 0) + goto out; + if (pnfs_within_mdsthreshold(ctx, ino, iomode)) goto out; |