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
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=240289
@ -60,6 +60,7 @@ struct mount nfsv4root_mnt;
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int newnfs_numnfsd = 0;
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struct nfsstats newnfsstats;
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int nfs_numnfscbd = 0;
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int nfscl_debuglevel = 0;
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char nfsv4_callbackaddr[INET6_ADDRSTRLEN];
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struct callout newnfsd_callout;
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void (*nfsd_call_servertimer)(void) = NULL;
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@ -76,6 +77,8 @@ SYSCTL_INT(_vfs_nfs, OID_AUTO, realign_count, CTLFLAG_RW, &nfs_realign_count,
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SYSCTL_STRING(_vfs_nfs, OID_AUTO, callback_addr, CTLFLAG_RW,
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nfsv4_callbackaddr, sizeof(nfsv4_callbackaddr),
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"NFSv4 callback addr for server to use");
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SYSCTL_INT(_vfs_nfs, OID_AUTO, debuglevel, CTLFLAG_RW, &nfscl_debuglevel,
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0, "Debug level for new nfs client");
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/*
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* Defines for malloc
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@ -68,4 +68,10 @@ struct nfsv4node {
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#define NFSSATTR_SIZENEG1 0x4
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#define NFSSATTR_SIZERDEV 0x8
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/* Use this macro for debug printfs. */
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#define NFSCL_DEBUG(level, ...) do { \
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if (nfscl_debuglevel >= (level)) \
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printf(__VA_ARGS__); \
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} while (0)
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#endif /* _NFS_NFSCL_H */
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@ -56,6 +56,7 @@ extern u_int32_t newnfs_false, newnfs_true;
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extern nfstype nfsv34_type[9];
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extern int nfsrv_useacl;
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extern char nfsv4_callbackaddr[INET6_ADDRSTRLEN];
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extern int nfscl_debuglevel;
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NFSCLSTATEMUTEX;
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int nfstest_outofseq = 0;
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int nfscl_assumeposixlocks = 1;
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@ -1398,7 +1399,7 @@ nfsrpc_write(vnode_t vp, struct uio *uiop, int *iomode, int *must_commit,
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if (stateid.other[0] == 0 && stateid.other[1] == 0 &&
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stateid.other[2] == 0) {
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nostateid = 1;
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printf("stateid0 in write\n");
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NFSCL_DEBUG(1, "stateid0 in write\n");
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}
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}
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