Commit ddeaa637 authored by Joe Perches's avatar Joe Perches Committed by Anna Schumaker

sunrpc & nfs: Add and use dprintk_cont macros

Allow line continuations to work properly with KERN_CONT.
Signed-off-by: default avatarJoe Perches <joe@perches.com>
[Anna: Add fallback dprintk_cont() for when CONFIG_SUNRPC_DEBUG=n]
Signed-off-by: default avatarAnna Schumaker <Anna.Schumaker@Netapp.com>
parent 566cf877
......@@ -1787,7 +1787,7 @@ static void nfs_commit_release_pages(struct nfs_commit_data *data)
if (status < 0) {
nfs_context_set_write_error(req->wb_context, status);
nfs_inode_remove_request(req);
dprintk(", error = %d\n", status);
dprintk_cont(", error = %d\n", status);
goto next;
}
......@@ -1796,11 +1796,11 @@ static void nfs_commit_release_pages(struct nfs_commit_data *data)
if (!nfs_write_verifier_cmp(&req->wb_verf, &data->verf.verifier)) {
/* We have a match */
nfs_inode_remove_request(req);
dprintk(" OK\n");
dprintk_cont(" OK\n");
goto next;
}
/* We have a mismatch. Write the page again */
dprintk(" mismatch\n");
dprintk_cont(" mismatch\n");
nfs_mark_request_dirty(req);
set_bit(NFS_CONTEXT_RESEND_WRITES, &req->wb_context->flags);
next:
......
......@@ -20,33 +20,55 @@ extern unsigned int nfsd_debug;
extern unsigned int nlm_debug;
#endif
#define dprintk(args...) dfprintk(FACILITY, ## args)
#define dprintk_rcu(args...) dfprintk_rcu(FACILITY, ## args)
#define dprintk(fmt, ...) \
dfprintk(FACILITY, fmt, ##__VA_ARGS__)
#define dprintk_cont(fmt, ...) \
dfprintk_cont(FACILITY, fmt, ##__VA_ARGS__)
#define dprintk_rcu(fmt, ...) \
dfprintk_rcu(FACILITY, fmt, ##__VA_ARGS__)
#define dprintk_rcu_cont(fmt, ...) \
dfprintk_rcu_cont(FACILITY, fmt, ##__VA_ARGS__)
#undef ifdebug
#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
# define ifdebug(fac) if (unlikely(rpc_debug & RPCDBG_##fac))
# define dfprintk(fac, args...) \
do { \
# define dfprintk(fac, fmt, ...) \
do { \
ifdebug(fac) \
printk(KERN_DEFAULT args); \
} while (0)
printk(KERN_DEFAULT fmt, ##__VA_ARGS__); \
} while (0)
# define dfprintk_rcu(fac, args...) \
do { \
# define dfprintk_cont(fac, fmt, ...) \
do { \
ifdebug(fac) \
printk(KERN_CONT fmt, ##__VA_ARGS__); \
} while (0)
# define dfprintk_rcu(fac, fmt, ...) \
do { \
ifdebug(fac) { \
rcu_read_lock(); \
printk(KERN_DEFAULT fmt, ##__VA_ARGS__); \
rcu_read_unlock(); \
} \
} while (0)
# define dfprintk_rcu_cont(fac, fmt, ...) \
do { \
ifdebug(fac) { \
rcu_read_lock(); \
printk(KERN_DEFAULT args); \
printk(KERN_CONT fmt, ##__VA_ARGS__); \
rcu_read_unlock(); \
} \
} while (0)
} while (0)
# define RPC_IFDEBUG(x) x
#else
# define ifdebug(fac) if (0)
# define dfprintk(fac, args...) do {} while (0)
# define dfprintk_rcu(fac, args...) do {} while (0)
# define dfprintk(fac, fmt, ...) do {} while (0)
# define dfprintk_cont(fac, fmt, ...) do {} while (0)
# define dfprintk_rcu(fac, fmt, ...) do {} while (0)
# define RPC_IFDEBUG(x)
#endif
......
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