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GPFS: Administration and Programming Reference - IRA Home

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gpfs_get_fsname_from_fssnaph<strong>and</strong>le() Subroutine<br />

Name<br />

gpfs_get_fsname_from_fssnaph<strong>and</strong>le() - Obtains the file system’s name from a <strong>GPFS</strong> file system<br />

snapshot h<strong>and</strong>le.<br />

Library<br />

<strong>GPFS</strong> Library (libgpfs.a for AIX, libgpfs.so for Linux)<br />

Synopsis<br />

#include <br />

const char *gpfs_get_fsname_from_fssnaph<strong>and</strong>le<br />

(gpfs_fssnap_h<strong>and</strong>le_t *fssnapH<strong>and</strong>le);<br />

Description<br />

The gpfs_get_fsname_from_fssnaph<strong>and</strong>le() subroutine returns a pointer to the name of file system that<br />

is uniquely identified by the file system snapshot h<strong>and</strong>le.<br />

Notes:<br />

1. Compile any program that uses this subroutine with the -lgpfs flag from the following library:<br />

v libgpfs.a for AIX<br />

v libgpfs.so for Linux<br />

Parameters<br />

fssnapH<strong>and</strong>le File system snapshot h<strong>and</strong>le.<br />

Exit status<br />

If the gpfs_get_fsname_from_fssnaph<strong>and</strong>le() subroutine is successful, it returns a pointer to the name<br />

of the file system identified by the file system snapshot h<strong>and</strong>le.<br />

If the gpfs_get_fsname_from_fssnaph<strong>and</strong>le() subroutine is unsuccessful, it returns NULL <strong>and</strong> sets the<br />

global error variable errno to indicate the nature of the error.<br />

Exceptions<br />

None.<br />

Error status<br />

ENOSYS The gpfs_get_fsname_from_fssnaph<strong>and</strong>le() subroutine is not available.<br />

EPERM The caller does not have superuser privileges.<br />

<strong>GPFS</strong>_E_INVAL_FSSNAPHANDLE<br />

The file system snapshot h<strong>and</strong>le is not valid.<br />

Location<br />

/usr/lpp/mmfs/lib/libgpfs.a for AIX, /usr/lpp/mmfs/lib/libgpfs.so for Linux<br />

294 <strong>GPFS</strong>: <strong>Administration</strong> <strong>and</strong> <strong>Programming</strong> <strong>Reference</strong>

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