Open System Services System Calls Reference Manual (G06.29+, H06.08+, J06.03+)

System Functions (s and S) statvfs(2)
• A physical I/O error has occurred. The device holding the file might be
in the down state, or both processors that provide access to the device
might have failed. Data might have been lost during a transfer.
[ELOOP] Too many symbolic links were encountered in translating the path parameter.
[ENAMETOOLONG]
One of these names is too long:
• The pathname pointed to by the path parameter
• A component of the pathname pointed to by the path parameter
• The intermediate result of pathname resolution when a symbolic link is
part of the path parameter
You can call the pathconf() function to obtain the applicable limits.
[ENOENT] The file referred to by the path parameter does not exist.
[ENOTDIR] A component of the path prefix of the path parameter is not a directory.
[EOVERFLOW]
One of the values returned cannot be represented correctly in the structure
pointed to by the buffer parameter.
RELATED INFORMATION
Functions: fstat(2), fstatvfs(2), lstat(2), stat(2), statvfs64(2).
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