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NFSv4: Add tracepoints for debugging inode manipulations
Set up basic tracepoints for debugging NFSv4 setattr, access, readlink, readdir, get_acl set_acl get_security_label, and set_security_label. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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@ -2315,6 +2315,7 @@ static int nfs4_do_setattr(struct inode *inode, struct rpc_cred *cred,
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int err;
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do {
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err = _nfs4_do_setattr(inode, cred, fattr, sattr, state, ilabel, olabel);
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trace_nfs4_setattr(inode, err);
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switch (err) {
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case -NFS4ERR_OPENMODE:
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if (!(sattr->ia_valid & ATTR_SIZE)) {
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@ -3143,8 +3144,9 @@ static int nfs4_proc_access(struct inode *inode, struct nfs_access_entry *entry)
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struct nfs4_exception exception = { };
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int err;
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do {
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err = nfs4_handle_exception(NFS_SERVER(inode),
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_nfs4_proc_access(inode, entry),
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err = _nfs4_proc_access(inode, entry);
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trace_nfs4_access(inode, err);
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err = nfs4_handle_exception(NFS_SERVER(inode), err,
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&exception);
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} while (exception.retry);
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return err;
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@ -3197,8 +3199,9 @@ static int nfs4_proc_readlink(struct inode *inode, struct page *page,
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struct nfs4_exception exception = { };
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int err;
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do {
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err = nfs4_handle_exception(NFS_SERVER(inode),
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_nfs4_proc_readlink(inode, page, pgbase, pglen),
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err = _nfs4_proc_readlink(inode, page, pgbase, pglen);
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trace_nfs4_readlink(inode, err);
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err = nfs4_handle_exception(NFS_SERVER(inode), err,
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&exception);
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} while (exception.retry);
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return err;
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@ -3630,9 +3633,10 @@ static int nfs4_proc_readdir(struct dentry *dentry, struct rpc_cred *cred,
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struct nfs4_exception exception = { };
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int err;
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do {
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err = nfs4_handle_exception(NFS_SERVER(dentry->d_inode),
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_nfs4_proc_readdir(dentry, cred, cookie,
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pages, count, plus),
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err = _nfs4_proc_readdir(dentry, cred, cookie,
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pages, count, plus);
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trace_nfs4_readdir(dentry->d_inode, err);
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err = nfs4_handle_exception(NFS_SERVER(dentry->d_inode), err,
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&exception);
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} while (exception.retry);
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return err;
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@ -4333,6 +4337,7 @@ static ssize_t nfs4_get_acl_uncached(struct inode *inode, void *buf, size_t bufl
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ssize_t ret;
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do {
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ret = __nfs4_get_acl_uncached(inode, buf, buflen);
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trace_nfs4_get_acl(inode, ret);
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if (ret >= 0)
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break;
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ret = nfs4_handle_exception(NFS_SERVER(inode), ret, &exception);
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@ -4412,8 +4417,9 @@ static int nfs4_proc_set_acl(struct inode *inode, const void *buf, size_t buflen
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struct nfs4_exception exception = { };
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int err;
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do {
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err = nfs4_handle_exception(NFS_SERVER(inode),
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__nfs4_proc_set_acl(inode, buf, buflen),
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err = __nfs4_proc_set_acl(inode, buf, buflen);
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trace_nfs4_set_acl(inode, err);
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err = nfs4_handle_exception(NFS_SERVER(inode), err,
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&exception);
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} while (exception.retry);
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return err;
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@ -4466,8 +4472,9 @@ static int nfs4_get_security_label(struct inode *inode, void *buf,
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return -EOPNOTSUPP;
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do {
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err = nfs4_handle_exception(NFS_SERVER(inode),
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_nfs4_get_security_label(inode, buf, buflen),
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err = _nfs4_get_security_label(inode, buf, buflen);
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trace_nfs4_get_security_label(inode, err);
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err = nfs4_handle_exception(NFS_SERVER(inode), err,
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&exception);
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} while (exception.retry);
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return err;
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@ -4519,9 +4526,10 @@ static int nfs4_do_set_security_label(struct inode *inode,
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int err;
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do {
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err = nfs4_handle_exception(NFS_SERVER(inode),
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_nfs4_do_set_security_label(inode, ilabel,
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fattr, olabel),
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err = _nfs4_do_set_security_label(inode, ilabel,
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fattr, olabel);
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trace_nfs4_set_security_label(inode, err);
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err = nfs4_handle_exception(NFS_SERVER(inode), err,
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&exception);
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} while (exception.retry);
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return err;
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@ -461,6 +461,57 @@ DEFINE_NFS4_LOOKUP_EVENT(nfs4_remove);
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DEFINE_NFS4_LOOKUP_EVENT(nfs4_get_fs_locations);
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DEFINE_NFS4_LOOKUP_EVENT(nfs4_secinfo);
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DECLARE_EVENT_CLASS(nfs4_inode_event,
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TP_PROTO(
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const struct inode *inode,
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int error
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),
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TP_ARGS(inode, error),
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TP_STRUCT__entry(
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__field(dev_t, dev)
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__field(u32, fhandle)
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__field(u64, fileid)
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__field(int, error)
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),
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TP_fast_assign(
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__entry->dev = inode->i_sb->s_dev;
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__entry->fileid = NFS_FILEID(inode);
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__entry->fhandle = nfs_fhandle_hash(NFS_FH(inode));
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__entry->error = error;
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),
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TP_printk(
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"error=%d (%s) fileid=%02x:%02x:%llu fhandle=0x%08x",
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__entry->error,
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show_nfsv4_errors(__entry->error),
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MAJOR(__entry->dev), MINOR(__entry->dev),
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(unsigned long long)__entry->fileid,
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__entry->fhandle
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)
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);
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#define DEFINE_NFS4_INODE_EVENT(name) \
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DEFINE_EVENT(nfs4_inode_event, name, \
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TP_PROTO( \
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const struct inode *inode, \
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int error \
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), \
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TP_ARGS(inode, error))
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DEFINE_NFS4_INODE_EVENT(nfs4_setattr);
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DEFINE_NFS4_INODE_EVENT(nfs4_access);
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DEFINE_NFS4_INODE_EVENT(nfs4_readlink);
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DEFINE_NFS4_INODE_EVENT(nfs4_readdir);
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DEFINE_NFS4_INODE_EVENT(nfs4_get_acl);
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DEFINE_NFS4_INODE_EVENT(nfs4_set_acl);
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#ifdef CONFIG_NFS_V4_SECURITY_LABEL
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DEFINE_NFS4_INODE_EVENT(nfs4_get_security_label);
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DEFINE_NFS4_INODE_EVENT(nfs4_set_security_label);
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#endif /* CONFIG_NFS_V4_SECURITY_LABEL */
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#endif /* _TRACE_NFS4_H */
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#undef TRACE_INCLUDE_PATH
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