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| author |   Trond Myklebust <trond.myklebust@hammerspace.com> | 2022-02-19 20:38:19 -0500 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2022-02-28 10:11:32 -0500 |
| commit | 2eef8a31112262f6f8e5d2b3076b9f288473eaf2 (patch) | |
| tree | 90e3cfb7b7951175b62478a3e1cf6781099156a3 /fs/nfs/dir.c | |
| parent | NFS: constify nfs_server_capable() and nfs_have_writebacks() (diff) | |
| download | linux-dev-2eef8a31112262f6f8e5d2b3076b9f288473eaf2.tar.xz linux-dev-2eef8a31112262f6f8e5d2b3076b9f288473eaf2.zip | |
NFS: Trace lookup revalidation failure
Enable tracing of lookup revalidation failures.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'fs/nfs/dir.c')
| -rw-r--r-- | fs/nfs/dir.c | 17 |
1 files changed, 5 insertions, 12 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index ebddc736eac2..1aa55cac9d9a 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -1474,9 +1474,7 @@ nfs_lookup_revalidate_done(struct inode *dir, struct dentry *dentry, { switch (error) { case 1: - dfprintk(LOOKUPCACHE, "NFS: %s(%pd2) is valid\n", - __func__, dentry); - return 1; + break; case 0: /* * We can't d_drop the root of a disconnected tree: @@ -1485,13 +1483,10 @@ nfs_lookup_revalidate_done(struct inode *dir, struct dentry *dentry, * inodes on unmount and further oopses. */ if (inode && IS_ROOT(dentry)) - return 1; - dfprintk(LOOKUPCACHE, "NFS: %s(%pd2) is invalid\n", - __func__, dentry); - return 0; + error = 1; + break; } - dfprintk(LOOKUPCACHE, "NFS: %s(%pd2) lookup returned error %d\n", - __func__, dentry, error); + trace_nfs_lookup_revalidate_exit(dir, dentry, 0, error); return error; } @@ -1623,9 +1618,7 @@ nfs_do_lookup_revalidate(struct inode *dir, struct dentry *dentry, goto out_bad; trace_nfs_lookup_revalidate_enter(dir, dentry, flags); - error = nfs_lookup_revalidate_dentry(dir, dentry, inode); - trace_nfs_lookup_revalidate_exit(dir, dentry, flags, error); - return error; + return nfs_lookup_revalidate_dentry(dir, dentry, inode); out_valid: return nfs_lookup_revalidate_done(dir, dentry, inode, 1); out_bad: |