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| author |   Trond Myklebust <trond.myklebust@primarydata.com> | 2016-11-25 13:24:09 -0500 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2016-12-02 11:42:58 -0500 |
| commit | 46c98c6d1bd33f8ae2c3b8f379f1629c472141e3 (patch) | |
| tree | 602df41c7ae82a87efbf3f3d9a095171797b5915 /fs/nfs/flexfilelayout | |
| parent | NFS: Allow getattr to also report readdirplus cache hits (diff) | |
| download | linux-dev-46c98c6d1bd33f8ae2c3b8f379f1629c472141e3.tar.xz linux-dev-46c98c6d1bd33f8ae2c3b8f379f1629c472141e3.zip | |
pNFS/flexfiles: Don't attempt to send layoutstats if there are no entries
If the list of mirrors is empty, then don't send an RPC call.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs/flexfilelayout')
| -rw-r--r-- | fs/nfs/flexfilelayout/flexfilelayout.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c index 90462a2a9237..a6264d6836dc 100644 --- a/fs/nfs/flexfilelayout/flexfilelayout.c +++ b/fs/nfs/flexfilelayout/flexfilelayout.c @@ -2250,6 +2250,11 @@ ff_layout_prepare_layoutstats(struct nfs42_layoutstat_args *args) args->num_dev = ff_layout_mirror_prepare_stats(args, &ff_layout->generic_hdr, dev_count); spin_unlock(&args->inode->i_lock); + if (!args->num_dev) { + kfree(args->devinfo); + args->devinfo = NULL; + return -ENOENT; + } return 0; } |