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volume: cache volume attr results with vnetroot

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moved the FileSystemName definition back down to the kernel, so the daemon is no longer responsible for setting it.  the driver uses the string length to calculate the buffer size needed for NFS41_V_NET_ROOT_EXTENSION.FsAttrs, and copies in the FileSystemName after the first successful volume attributes upcall

Signed-off-by: Casey Bodley <cbodley@umich.edu>
This commit is contained in:
Casey Bodley 2010-10-12 09:51:06 -04:00
parent 25ef4d25bb
commit 827a1b7368
4 changed files with 49 additions and 29 deletions
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4
daemon/nfs41_const.h
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@ -41,10 +41,6 @@
#define UPCALL_BUF_SIZE 1024
/* FileSystemName reported for FileFsAttributeInformation */
#define NFS41_FILESYSTEM_NAME L"NFS"
#define NFS41_FILESYSTEM_NAME_LEN (sizeof(NFS41_FILESYSTEM_NAME)-sizeof(WCHAR))
/* MaximumComponentNameLength reported for FileFsAttributeInformation */
#define NFS41_MAX_COMPONENT_LEN 64
#define NFS41_MAX_PATH_LEN MAX_PATH