#define RSF "%4s"
#define RDF "%3d%%"
+enum mntdf_flags {
+ MNTDF_INODES = 0x0001,
+ MNTDF_COOKED = 0x0002,
+ MNTDF_LAZY = 0x0004,
+ MNTDF_VERBOSE = 0x0008,
+};
+
static int showdf(char *mntdir, struct obd_statfs *stat,
- char *uuid, int ishow, int cooked,
- char *type, int index, int rc)
+ char *uuid, enum mntdf_flags flags,
+ char *type, int index, int rc)
{
- long long avail, used, total;
- double ratio = 0;
- char *suffix = "KMGTPEZY";
- /* Note if we have >2^64 bytes/fs these buffers will need to be grown */
+ long long avail, used, total;
+ double ratio = 0;
+ char *suffix = "KMGTPEZY";
+ /* Note if we have >2^64 bytes/fs these buffers will need to be grown */
char tbuf[3 * sizeof(__u64)];
char ubuf[3 * sizeof(__u64)];
char abuf[3 * sizeof(__u64)];
char rbuf[3 * sizeof(__u64)];
- if (!uuid || !stat)
- return -EINVAL;
+ if (!uuid || !stat)
+ return -EINVAL;
- switch (rc) {
- case 0:
- if (ishow) {
- avail = stat->os_ffree;
- used = stat->os_files - stat->os_ffree;
- total = stat->os_files;
- } else {
- int shift = cooked ? 0 : 10;
+ switch (rc) {
+ case 0:
+ if (flags & MNTDF_INODES) {
+ avail = stat->os_ffree;
+ used = stat->os_files - stat->os_ffree;
+ total = stat->os_files;
+ } else {
+ int shift = flags & MNTDF_COOKED ? 0 : 10;
- avail = (stat->os_bavail * stat->os_bsize) >> shift;
- used = ((stat->os_blocks - stat->os_bfree) *
- stat->os_bsize) >> shift;
- total = (stat->os_blocks * stat->os_bsize) >> shift;
- }
+ avail = (stat->os_bavail * stat->os_bsize) >> shift;
+ used = ((stat->os_blocks - stat->os_bfree) *
+ stat->os_bsize) >> shift;
+ total = (stat->os_blocks * stat->os_bsize) >> shift;
+ }
- if ((used + avail) > 0)
- ratio = (double)used / (double)(used + avail);
-
- if (cooked) {
- int i;
- double cook_val;
-
- cook_val = (double)total;
- i = COOK(cook_val);
- if (i > 0)
- sprintf(tbuf, HDF, cook_val, suffix[i - 1]);
- else
- sprintf(tbuf, CDF, total);
-
- cook_val = (double)used;
- i = COOK(cook_val);
- if (i > 0)
- sprintf(ubuf, HDF, cook_val, suffix[i - 1]);
- else
- sprintf(ubuf, CDF, used);
-
- cook_val = (double)avail;
- i = COOK(cook_val);
- if (i > 0)
- sprintf(abuf, HDF, cook_val, suffix[i - 1]);
- else
- sprintf(abuf, CDF, avail);
- } else {
- sprintf(tbuf, CDF, total);
- sprintf(ubuf, CDF, used);
- sprintf(abuf, CDF, avail);
- }
+ if ((used + avail) > 0)
+ ratio = (double)used / (double)(used + avail);
+
+ if (flags & MNTDF_COOKED) {
+ int i;
+ double cook_val;
+
+ cook_val = (double)total;
+ i = COOK(cook_val);
+ if (i > 0)
+ snprintf(tbuf, sizeof(tbuf), HDF, cook_val,
+ suffix[i - 1]);
+ else
+ snprintf(tbuf, sizeof(tbuf), CDF, total);
+
+ cook_val = (double)used;
+ i = COOK(cook_val);
+ if (i > 0)
+ snprintf(ubuf, sizeof(ubuf), HDF, cook_val,
+ suffix[i - 1]);
+ else
+ snprintf(ubuf, sizeof(ubuf), CDF, used);
+
+ cook_val = (double)avail;
+ i = COOK(cook_val);
+ if (i > 0)
+ snprintf(abuf, sizeof(abuf), HDF, cook_val,
+ suffix[i - 1]);
+ else
+ snprintf(abuf, sizeof(abuf), CDF, avail);
+ } else {
+ snprintf(tbuf, sizeof(tbuf), CDF, total);
+ snprintf(ubuf, sizeof(tbuf), CDF, used);
+ snprintf(abuf, sizeof(tbuf), CDF, avail);
+ }
sprintf(rbuf, RDF, (int)(ratio * 100 + 0.5));
printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s",
char *st_name;
};
-static int mntdf(char *mntdir, char *fsname, char *pool, int ishow,
- int cooked, int lazy)
+static int mntdf(char *mntdir, char *fsname, char *pool, enum mntdf_flags flags)
{
struct obd_statfs stat_buf, sum = { .os_bsize = 1 };
struct obd_uuid uuid_buf;
int rc = 0;
int rc2;
- if (pool) {
- poolname = strchr(pool, '.');
- if (poolname != NULL) {
- if (strncmp(fsname, pool, strlen(fsname))) {
- fprintf(stderr, "filesystem name incorrect\n");
- return -ENODEV;
- }
- poolname++;
- } else
- poolname = pool;
- }
+ if (pool) {
+ poolname = strchr(pool, '.');
+ if (poolname != NULL) {
+ if (strncmp(fsname, pool, strlen(fsname))) {
+ fprintf(stderr, "filesystem name incorrect\n");
+ return -ENODEV;
+ }
+ poolname++;
+ } else
+ poolname = pool;
+ }
fd = open(mntdir, O_RDONLY);
if (fd < 0) {
return rc;
}
- if (ishow)
- printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
- "UUID", "Inodes", "IUsed", "IFree",
- "IUse%", "Mounted on");
- else
- printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
- "UUID", cooked ? "bytes" : "1K-blocks",
- "Used", "Available", "Use%", "Mounted on");
-
- for (tp = types; tp->st_name != NULL; tp++) {
- for (index = 0; ; index++) {
- memset(&stat_buf, 0, sizeof(struct obd_statfs));
- memset(&uuid_buf, 0, sizeof(struct obd_uuid));
- type = lazy ? tp->st_op | LL_STATFS_NODELAY : tp->st_op;
+ if (flags & MNTDF_INODES)
+ printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
+ "UUID", "Inodes", "IUsed", "IFree",
+ "IUse%", "Mounted on");
+ else
+ printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
+ "UUID", flags & MNTDF_COOKED ? "bytes" : "1K-blocks",
+ "Used", "Available", "Use%", "Mounted on");
+
+ for (tp = types; tp->st_name != NULL; tp++) {
+ for (index = 0; ; index++) {
+ memset(&stat_buf, 0, sizeof(struct obd_statfs));
+ memset(&uuid_buf, 0, sizeof(struct obd_uuid));
+ type = flags & MNTDF_LAZY ?
+ tp->st_op | LL_STATFS_NODELAY : tp->st_op;
rc2 = llapi_obd_fstatfs(fd, type, index,
&stat_buf, &uuid_buf);
if (rc2 == -ENODEV)
break;
- else if (rc2 == -EAGAIN)
+ if (rc2 == -EAGAIN)
continue;
- else if (rc2 == -ENODATA)
- ; /* Inactive device, OK. */
- else if (rc2 < 0 && rc == 0)
+ if (rc2 == -ENODATA) { /* Inactive device, OK. */
+ if (!(flags & MNTDF_VERBOSE))
+ continue;
+ } else if (rc2 < 0 && rc == 0) {
rc = rc2;
+ }
+
+ if (poolname && tp->st_op == LL_STATFS_LOV &&
+ llapi_search_ost(fsname, poolname,
+ obd_uuid2str(&uuid_buf)) != 1)
+ continue;
- if (poolname && tp->st_op == LL_STATFS_LOV &&
- llapi_search_ost(fsname, poolname,
- obd_uuid2str(&uuid_buf)) != 1)
- continue;
-
- /* the llapi_obd_statfs() call may have returned with
- * an error, but if it filled in uuid_buf we will at
- * lease use that to print out a message for that OBD.
- * If we didn't get anything in the uuid_buf, then fill
- * it in so that we can print an error message. */
- if (uuid_buf.uuid[0] == '\0')
- sprintf(uuid_buf.uuid, "%s%04x",
- tp->st_name, index);
+ /* the llapi_obd_statfs() call may have returned with
+ * an error, but if it filled in uuid_buf we will at
+ * lease use that to print out a message for that OBD.
+ * If we didn't get anything in the uuid_buf, then fill
+ * it in so that we can print an error message. */
+ if (uuid_buf.uuid[0] == '\0')
+ snprintf(uuid_buf.uuid, sizeof(uuid_buf.uuid),
+ "%s%04x", tp->st_name, index);
showdf(mntdir, &stat_buf, obd_uuid2str(&uuid_buf),
- ishow, cooked, tp->st_name, index, rc2);
+ flags, tp->st_name, index, rc2);
if (rc2 == 0) {
- if (tp->st_op == LL_STATFS_LMV) {
- sum.os_ffree += stat_buf.os_ffree;
- sum.os_files += stat_buf.os_files;
- } else /* if (tp->st_op == LL_STATFS_LOV) */ {
+ if (tp->st_op == LL_STATFS_LMV) {
+ sum.os_ffree += stat_buf.os_ffree;
+ sum.os_files += stat_buf.os_files;
+ } else /* if (tp->st_op == LL_STATFS_LOV) */ {
sum.os_blocks += stat_buf.os_blocks *
stat_buf.os_bsize;
sum.os_bfree += stat_buf.os_bfree *
sum.os_ffree = ost_ffree;
}
printf("\n");
- showdf(mntdir, &sum, "filesystem summary:", ishow, cooked, NULL, 0, 0);
+ showdf(mntdir, &sum, "filesystem_summary:", flags, NULL, 0, 0);
printf("\n");
return rc;
static int lfs_df(int argc, char **argv)
{
- char mntdir[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
- int ishow = 0, cooked = 0;
- int lazy = 0;
- int c, rc = 0, index = 0;
- char fsname[PATH_MAX] = "", *pool_name = NULL;
- struct option long_opts[] = {
- {"pool", required_argument, 0, 'p'},
- {"lazy", 0, 0, 'l'},
- {0, 0, 0, 0}
- };
+ char mntdir[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
+ enum mntdf_flags flags = 0;
+ int c, rc = 0, index = 0;
+ char fsname[PATH_MAX] = "", *pool_name = NULL;
+ struct option long_opts[] = {
+ {"human-readable", 0, 0, 'h'},
+ {"inodes", 0, 0, 'i'},
+ {"lazy", 0, 0, 'l'},
+ {"pool", required_argument, 0, 'p'},
+ {"verbose", 0, 0, 'v'},
+ {0, 0, 0, 0}
+ };
- while ((c = getopt_long(argc, argv, "hilp:", long_opts, NULL)) != -1) {
+ while ((c = getopt_long(argc, argv, "hilp:v", long_opts, NULL)) != -1) {
switch (c) {
- case 'i':
- ishow = 1;
- break;
case 'h':
- cooked = 1;
+ flags |= MNTDF_COOKED;
+ break;
+ case 'i':
+ flags |= MNTDF_INODES;
break;
case 'l':
- lazy = 1;
+ flags |= MNTDF_LAZY;
break;
case 'p':
pool_name = optarg;
break;
+ case 'v':
+ flags |= MNTDF_VERBOSE;
+ break;
default:
return CMD_HELP;
}
}
- if (optind < argc && !realpath(argv[optind], path)) {
- rc = -errno;
- fprintf(stderr, "error: invalid path '%s': %s\n",
- argv[optind], strerror(-rc));
- return rc;
- }
+ if (optind < argc && !realpath(argv[optind], path)) {
+ rc = -errno;
+ fprintf(stderr, "error: invalid path '%s': %s\n",
+ argv[optind], strerror(-rc));
+ return rc;
+ }
- while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
- /* Check if we have a mount point */
- if (mntdir[0] == '\0')
- continue;
+ while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
+ /* Check if we have a mount point */
+ if (mntdir[0] == '\0')
+ continue;
- rc = mntdf(mntdir, fsname, pool_name, ishow, cooked, lazy);
- if (rc || path[0] != '\0')
- break;
- fsname[0] = '\0'; /* avoid matching in next loop */
- mntdir[0] = '\0'; /* avoid matching in next loop */
- }
+ rc = mntdf(mntdir, fsname, pool_name, flags);
+ if (rc || path[0] != '\0')
+ break;
+ fsname[0] = '\0'; /* avoid matching in next loop */
+ mntdir[0] = '\0'; /* avoid matching in next loop */
+ }
- return rc;
+ return rc;
}
static int lfs_getname(int argc, char **argv)
git://git.whamcloud.com / fs / lustre-release.git / commitdiff