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| author | rmacklem <rmacklem@FreeBSD.org> | 2012-09-09 21:00:45 +0000 |
|---|---|---|
| committer | rmacklem <rmacklem@FreeBSD.org> | 2012-09-09 21:00:45 +0000 |
| commit | cbc3fb8c5b3ee1fac8d2fe39949d961464a6c7f8 (patch) | |
| tree | e6a7b1760610b8a8eb6594dfdda1e882052d6c2d /sys/fs/nfs | |
| parent | 15f63ad1a95fe8317cd49a3f2d3cafb5735284eb (diff) | |
| download | FreeBSD-src-cbc3fb8c5b3ee1fac8d2fe39949d961464a6c7f8.zip FreeBSD-src-cbc3fb8c5b3ee1fac8d2fe39949d961464a6c7f8.tar.gz | |
Add a simple printf() based debug facility to the new nfs client.
Use it for a printf() that can be harmlessly generated for mmap()'d
files. It will be used extensively for the NFSv4.1 client.
Debugging printf()s are enabled by setting vfs.nfs.debuglevel to
a non-zero value. The higher the value, the more debugging printf()s.
Reviewed by: jhb
MFC after: 2 weeks
Diffstat (limited to 'sys/fs/nfs')
| -rw-r--r-- | sys/fs/nfs/nfs_commonport.c | 3 | ||||
| -rw-r--r-- | sys/fs/nfs/nfscl.h | 6 |
2 files changed, 9 insertions, 0 deletions
diff --git a/sys/fs/nfs/nfs_commonport.c b/sys/fs/nfs/nfs_commonport.c index 46f3620..acc387d 100644 --- a/sys/fs/nfs/nfs_commonport.c +++ b/sys/fs/nfs/nfs_commonport.c @@ -60,6 +60,7 @@ struct mount nfsv4root_mnt; int newnfs_numnfsd = 0; struct nfsstats newnfsstats; int nfs_numnfscbd = 0; +int nfscl_debuglevel = 0; char nfsv4_callbackaddr[INET6_ADDRSTRLEN]; struct callout newnfsd_callout; void (*nfsd_call_servertimer)(void) = NULL; @@ -76,6 +77,8 @@ SYSCTL_INT(_vfs_nfs, OID_AUTO, realign_count, CTLFLAG_RW, &nfs_realign_count, SYSCTL_STRING(_vfs_nfs, OID_AUTO, callback_addr, CTLFLAG_RW, nfsv4_callbackaddr, sizeof(nfsv4_callbackaddr), "NFSv4 callback addr for server to use"); +SYSCTL_INT(_vfs_nfs, OID_AUTO, debuglevel, CTLFLAG_RW, &nfscl_debuglevel, + 0, "Debug level for new nfs client"); /* * Defines for malloc diff --git a/sys/fs/nfs/nfscl.h b/sys/fs/nfs/nfscl.h index 1c459ad..1ff4d8b 100644 --- a/sys/fs/nfs/nfscl.h +++ b/sys/fs/nfs/nfscl.h @@ -68,4 +68,10 @@ struct nfsv4node { #define NFSSATTR_SIZENEG1 0x4 #define NFSSATTR_SIZERDEV 0x8 +/* Use this macro for debug printfs. */ +#define NFSCL_DEBUG(level, ...) do { \ + if (nfscl_debuglevel >= (level)) \ + printf(__VA_ARGS__); \ + } while (0) + #endif /* _NFS_NFSCL_H */ |
