User talk:Debankur: Difference between revisions
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'''<u>DESCRIPTION</u>''' |
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'''<u>FUNCTION CALLS : </u>''' |
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''NAME : '' <b> gpfs_getacl() </b> |
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''FUNCTION : '' |
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Retrieves the ACL information for a file. |
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This function, together with gpfs_putacl, is intended for use by a backup program to save (gpfs_getacl) and restore (gpfs_putacl) the ACL information for a file. The flags parameter must be zero (reserved for future use). The '''aclP''' parameter must point to a buffer mapped by the ''gpfs_opaque_acl_t'' structure. The first four bytes of the buffer must contain its total size. |
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Note: The use of gpfs_fgetattrs/gpfs_fputattrs is preferred. |
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''FUNCTION PROTOTYPE :'' |
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int gpfs_getacl(char *pathname, int flags, void *acl); |
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''RETURNS :'' |
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0 Successful |
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-1 Failure |
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''ERROR :'' |
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ENOSYS function not available |
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ENOSPC buffer too small to return the entire ACL. |
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Needed size is returned in the first four bytes of the buffer pointed to by aclP. |
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''NAME :'' <b> gpfs_putacl() </b> |
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''FUNCTION :'' |
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Sets the ACL information for a file. |
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The buffer passed in should contain the ACL data that was obtained by a previous call to gpfs_getacl. The flags parameter must be zero (reserved for future use). |
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Note: The use of gpfs_fgetattrs/gpfs_fputattrs is preferred. |
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''FUNCTION PROTOTYPE :'' |
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int gpfs_putacl(char *pathname, int flags, void *acl); |
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''RETURNS :'' |
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0 Successful |
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-1 Failure |
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''ERROR :'' |
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ENOSYS function not available |
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''NAME :'' <b> gpfs_set_share() </b> |
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''FUNCTION :'' |
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Acquire shares for Samba |
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Input : |
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fd : file descriptor |
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allow : share type being requested |
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GPFS_SHARE_NONE, GPFS_SHARE_READ, |
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GPFS_SHARE_WRITE, GPFS_SHARE_BOTH |
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deny : share type to deny to others |
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GPFS_DENY_NONE, GPFS_DENY_READ, |
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GPFS_DENY_WRITE, GPFS_DENY_BOTH |
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''FUNCTION PROTOTYPE :'' |
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int gpfs_set_share(int fd, unsigned int allow, unsigned int deny); |
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allow/deny specifications |
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#define GPFS_SHARE_NONE 0 |
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#define GPFS_SHARE_READ 1 |
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#define GPFS_SHARE_WRITE 2 |
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#define GPFS_SHARE_BOTH 3 |
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#define GPFS_DENY_NONE 0 |
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#define GPFS_DENY_READ 1 |
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#define GPFS_DENY_WRITE 2 |
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#define GPFS_DENY_BOTH 3 |
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''RETURNS :'' |
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0 Successful |
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-1 Failure |
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''ERROR :'' |
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Specific error indication |
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EACCES share mode not available |
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''NAME :'' <b> gpfs_set_lease() </b> |
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''FUNCTION :'' |
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Acquire leases for Samba |
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Input : |
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fd : file descriptor |
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leaseType : lease type being requested |
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GPFS_LEASE_NONE GPFS_LEASE_READ, |
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GPFS_LEASE_WRITE |
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''FUNCTION PROTOTYPE :'' |
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int gpfs_set_lease(int fd, unsigned int leaseType); |
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/* leaseType specifications */ |
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#define GPFS_LEASE_NONE 0 |
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#define GPFS_LEASE_READ 1 |
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#define GPFS_LEASE_WRITE 2 |
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''RETURNS :'' |
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0 Successful |
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-1 Failure |
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''ERROR :'' |
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Specific error indication |
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EACCES lease not available |
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''NAME :'' <b> gpfs_get_lease() </b> |
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''FUNCTION :'' |
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Returns the type of lease currently held |
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''FUNCTION PROTOTYPE :'' |
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int gpfs_get_lease(int fd); |
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''Returns :'' |
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GPFS_LEASE_READ |
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GPFS_LEASE_WRITE |
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GPFS_LEASE_NONE |
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-1 Failure |
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''ERROR :'' |
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Specific error indication |
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EINVAL |
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<u>'''DOWNLOAD LINK : '''</u> |
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http://www14.software.ibm.com/webapp/set2/sas/f/gpfs/download/home.html |
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<u>'''LICENSE :'''</u> |
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