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authorTrond Myklebust <trond.myklebust@primarydata.com>2015-12-28 14:07:23 -0500
committerTrond Myklebust <trond.myklebust@primarydata.com>2015-12-28 14:33:05 -0500
commite07db907eb80525874b7707c62cc6f5e975ef130 (patch)
tree3b30058c0781e867626f740a2e5b504cf1bce28d /fs/nfs/callback_proc.c
parente0d9243048fd18da695b8d3fe331176eac60866e (diff)
downloadlwn-e07db907eb80525874b7707c62cc6f5e975ef130.tar.gz
lwn-e07db907eb80525874b7707c62cc6f5e975ef130.zip
NFSv4: List stateid information in the callback tracepoints
The stateid is extremely valuable when debugging. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs/callback_proc.c')
-rw-r--r--fs/nfs/callback_proc.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/fs/nfs/callback_proc.c b/fs/nfs/callback_proc.c
index 724a9b756ab0..e4dbab5dce6e 100644
--- a/fs/nfs/callback_proc.c
+++ b/fs/nfs/callback_proc.c
@@ -83,8 +83,11 @@ __be32 nfs4_callback_recall(struct cb_recallargs *args, void *dummy,
res = htonl(NFS4ERR_BADHANDLE);
inode = nfs_delegation_find_inode(cps->clp, &args->fh);
- if (inode == NULL)
+ if (inode == NULL) {
+ trace_nfs4_cb_recall(cps->clp, &args->fh, NULL,
+ &args->stateid, -ntohl(res));
goto out;
+ }
/* Set up a helper thread to actually return the delegation */
switch (nfs_async_inode_return_delegation(inode, &args->stateid)) {
case 0:
@@ -96,7 +99,8 @@ __be32 nfs4_callback_recall(struct cb_recallargs *args, void *dummy,
default:
res = htonl(NFS4ERR_RESOURCE);
}
- trace_nfs4_recall_delegation(inode, -ntohl(res));
+ trace_nfs4_cb_recall(cps->clp, &args->fh, inode,
+ &args->stateid, -ntohl(res));
iput(inode);
out:
dprintk("%s: exit with status = %d\n", __func__, ntohl(res));
@@ -185,8 +189,11 @@ static u32 initiate_file_draining(struct nfs_client *clp,
LIST_HEAD(free_me_list);
lo = get_layout_by_fh(clp, &args->cbl_fh, &args->cbl_stateid);
- if (!lo)
+ if (!lo) {
+ trace_nfs4_cb_layoutrecall_file(clp, &args->cbl_fh, NULL,
+ &args->cbl_stateid, -rv);
goto out;
+ }
ino = lo->plh_inode;
@@ -227,7 +234,8 @@ unlock:
spin_unlock(&ino->i_lock);
pnfs_free_lseg_list(&free_me_list);
pnfs_put_layout_hdr(lo);
- trace_nfs4_cb_layoutrecall_inode(clp, &args->cbl_fh, ino, -rv);
+ trace_nfs4_cb_layoutrecall_file(clp, &args->cbl_fh, ino,
+ &args->cbl_stateid, -rv);
iput(ino);
out:
return rv;