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authorChristof Schmitt <christof.schmitt@us.ibm.com>2012-03-02 14:26:19 -0700
committerChristian Ambach <ambi@samba.org>2012-03-22 18:41:22 +0100
commita9cfd80d8722f9af7fc18ea70115a6b1b1033168 (patch)
tree9e5d1410d4896a182583eae1fc8e37992f7b9f5d
parent4262eb401fac0a6f9f0f76bff390041ad6600536 (diff)
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s3:vfs_gpfs: add GPFS api calls for quota and free space reporting
Add the GPFS api calls for reporting the quotas and free space: - get_gpfs_quota for querying a quota - get_gpfs_fset_id for mapping a path to a fileset id
-rw-r--r--source3/modules/gpfs.c76
-rw-r--r--source3/modules/vfs_gpfs.h4
2 files changed, 80 insertions, 0 deletions
diff --git a/source3/modules/gpfs.c b/source3/modules/gpfs.c
index 5ce23810c4..f17c6bb252 100644
--- a/source3/modules/gpfs.c
+++ b/source3/modules/gpfs.c
@@ -22,6 +22,7 @@
#include "smbd/smbd.h"
#include "libcli/security/security.h"
+#include "gpfs_fcntl.h"
#include "gpfs_gpl.h"
#include "vfs_gpfs.h"
@@ -36,6 +37,9 @@ static int (*gpfs_get_winattrs_path_fn)(char *pathname, struct gpfs_winattr *att
static int (*gpfs_get_winattrs_fn)(int fd, struct gpfs_winattr *attrs);
static int (*gpfs_ftruncate_fn)(int fd, gpfs_off64_t length);
static int (*gpfs_lib_init_fn)(int flags);
+static int (*gpfs_quotactl_fn)(char *pathname, int cmd, int id, void *bufferP);
+static int (*gpfs_fcntl_fn)(gpfs_file_t fileDesc, void *fcntlArgP);
+static int (*gpfs_getfilesetid_fn)(char *pathname, char *name, int *idP);
bool set_gpfs_sharemode(files_struct *fsp, uint32 access_mask,
uint32 share_access)
@@ -184,6 +188,75 @@ int set_gpfs_winattrs(char *pathname,int flags,struct gpfs_winattr *attrs)
return gpfs_set_winattrs_path_fn(pathname,flags, attrs);
}
+int get_gpfs_quota(const char *pathname, int type, int id,
+ struct gpfs_quotaInfo *qi)
+{
+ int ret;
+
+ if (!gpfs_quotactl_fn) {
+ errno = ENOSYS;
+ return -1;
+ }
+
+ ZERO_STRUCTP(qi);
+ ret = gpfs_quotactl_fn(discard_const_p(char, pathname),
+ GPFS_QCMD(Q_GETQUOTA, type), id, qi);
+
+ if (ret) {
+ if (errno == GPFS_E_NO_QUOTA_INST) {
+ DEBUG(10, ("Quotas disabled on GPFS filesystem.\n"));
+ } else {
+ DEBUG(0, ("Get quota failed, type %d, id, %d, "
+ "errno %d.\n", type, id, errno));
+ }
+
+ return ret;
+ }
+
+ DEBUG(10, ("quota type %d, id %d, blk u:%lld h:%lld s:%lld gt:%u\n",
+ type, id, qi->blockUsage, qi->blockHardLimit,
+ qi->blockSoftLimit, qi->blockGraceTime));
+
+ return ret;
+}
+
+int get_gpfs_fset_id(const char *pathname, int *fset_id)
+{
+ int err, fd, errno_fcntl;
+
+ struct {
+ gpfsFcntlHeader_t hdr;
+ gpfsGetFilesetName_t fsn;
+ } arg;
+
+ if (!gpfs_fcntl_fn || !gpfs_getfilesetid_fn) {
+ errno = ENOSYS;
+ return -1;
+ }
+
+ arg.hdr.totalLength = sizeof(arg);
+ arg.hdr.fcntlVersion = GPFS_FCNTL_CURRENT_VERSION;
+ arg.hdr.fcntlReserved = 0;
+ arg.fsn.structLen = sizeof(arg.fsn);
+ arg.fsn.structType = GPFS_FCNTL_GET_FILESETNAME;
+
+ fd = open(pathname, O_RDONLY);
+ if (fd == -1)
+ return fd;
+
+ err = gpfs_fcntl_fn(fd, &arg);
+ errno_fcntl = errno;
+ close(fd);
+
+ if (err) {
+ errno = errno_fcntl;
+ return err;
+ }
+
+ return gpfs_getfilesetid_fn(discard_const_p(char, pathname),
+ arg.fsn.buffer, fset_id);
+}
+
void smbd_gpfs_lib_init()
{
if (gpfs_lib_init_fn) {
@@ -258,6 +331,9 @@ void init_gpfs(void)
init_gpfs_function(&gpfs_get_winattrs_fn,"gpfs_get_winattrs");
init_gpfs_function(&gpfs_ftruncate_fn, "gpfs_ftruncate");
init_gpfs_function(&gpfs_lib_init_fn,"gpfs_lib_init");
+ init_gpfs_function(&gpfs_quotactl_fn, "gpfs_quotactl");
+ init_gpfs_function(&gpfs_fcntl_fn, "gpfs_fcntl");
+ init_gpfs_function(&gpfs_getfilesetid_fn, "gpfs_getfilesetid");
return;
}
diff --git a/source3/modules/vfs_gpfs.h b/source3/modules/vfs_gpfs.h
index 4a05841feb..4a9528ae05 100644
--- a/source3/modules/vfs_gpfs.h
+++ b/source3/modules/vfs_gpfs.h
@@ -34,5 +34,9 @@ int smbd_fget_gpfs_winattrs(int fd, struct gpfs_winattr *attrs);
int get_gpfs_winattrs(char * pathname,struct gpfs_winattr *attrs);
int set_gpfs_winattrs(char * pathname,int flags,struct gpfs_winattr *attrs);
int smbd_gpfs_ftruncate(int fd, gpfs_off64_t length);
+int get_gpfs_quota(const char *pathname, int type, int id,
+ struct gpfs_quotaInfo *qi);
+int get_gpfs_fset_id(const char *pathname, int *fset_id);
+
void init_gpfs(void);
void smbd_gpfs_lib_init();