#include <unistd.h>
#include <semaphore.h>
#include <time.h>
+#include <err.h>
#include <lustre/lustre_idl.h>
#include <lustre/lustreapi.h>
char usage[] =
"Usage: %s filename command-sequence [path...]\n"
" command-sequence items:\n"
-" c close\n"
-" B[num] call setstripe ioctl to create stripes\n"
-" C[num] create with optional stripes\n"
-" d mkdir\n"
-" D open(O_DIRECTORY)\n"
-" f statfs\n"
+" c close\n"
+" B[num] call setstripe ioctl to create stripes\n"
+" C[num] create with optional stripes\n"
+" d mkdir\n"
+" D open(O_DIRECTORY)\n"
+" e[R|W|U] apply lease. R: Read; W: Write; U: Unlock\n"
+" E[+|-] get lease. +/-: expect lease to (not) exist\n"
+" f statfs\n"
" F print FID\n"
-" G gid get grouplock\n"
-" g gid put grouplock\n"
-" K link path to filename\n"
-" L link filename to path\n"
-" l symlink filename to path\n"
-" m mknod\n"
-" M rw mmap to EOF (must open and stat prior)\n"
-" n rename path to filename\n"
-" N rename filename to path\n"
-" o open(O_RDONLY)\n"
-" O open(O_CREAT|O_RDWR)\n"
-" r[num] read [optional length]\n"
-" R reference entire mmap-ed region\n"
-" s stat\n"
-" S fstat\n"
-" t fchmod\n"
-" T[num] ftruncate [optional position, default 0]\n"
-" u unlink\n"
-" U munmap\n"
-" v verbose\n"
+" H[num] create HSM released file with num stripes\n"
+" G gid get grouplock\n"
+" g gid put grouplock\n"
+" K link path to filename\n"
+" L link\n"
+" l symlink filename to path\n"
+" m mknod\n"
+" M rw mmap to EOF (must open and stat prior)\n"
+" n rename path to filename\n"
+" N rename filename to path\n"
+" o open(O_RDONLY)\n"
+" O open(O_CREAT|O_RDWR)\n"
+" r[num] read [optional length]\n"
+" R reference entire mmap-ed region\n"
+" s stat\n"
+" S fstat\n"
+" t fchmod\n"
+" T[num] ftruncate [optional position, default 0]\n"
+" u unlink\n"
+" U munmap\n"
+" v verbose\n"
" V open a volatile file\n"
-" w[num] write optional length\n"
-" W write entire mmap-ed region\n"
-" y fsync\n"
-" Y fdatasync\n"
-" z[num] seek [optional position, default 0]\n"
-" _ wait for signal\n";
+" w[num] write optional length\n"
+" x get file data version\n"
+" W write entire mmap-ed region\n"
+" y fsync\n"
+" Y fdatasync\n"
+" z[num] seek [optional position, default 0]\n"
+" _ wait for signal\n";
void usr1_handler(int unused)
{
#ifdef O_DIRECT
{"O_DIRECT", O_DIRECT},
#endif
+#ifdef O_NOATIME
+ {"O_NOATIME", O_NOATIME},
+#endif
{"O_LARGEFILE", O_LARGEFILE},
{"O_DIRECTORY", O_DIRECTORY},
{"O_NOFOLLOW", O_NOFOLLOW},
int main(int argc, char **argv)
{
- char *fname, *commands;
- const char *newfile;
- const char *oldpath;
- struct stat st;
- struct statfs stfs;
- size_t mmap_len = 0, i;
- unsigned char *mmap_ptr = NULL, junk = 0;
- int rc, len, fd = -1;
- int flags;
- int save_errno;
- int verbose = 0;
- int gid = 0;
- lustre_fid fid;
- struct timespec ts;
- struct lov_user_md_v3 lum;
+ char *fname, *commands;
+ const char *newfile;
+ const char *oldpath;
+ struct stat st;
+ struct statfs stfs;
+ size_t mmap_len = 0, i;
+ unsigned char *mmap_ptr = NULL, junk = 0;
+ int rc, len, fd = -1;
+ int flags;
+ int save_errno;
+ int verbose = 0;
+ int gid = 0;
+ lustre_fid fid;
+ struct timespec ts;
+ struct lov_user_md_v3 lum;
+ __u64 dv;
if (argc < 3) {
fprintf(stderr, usage, argv[0]);
exit(save_errno);
}
break;
- case 'f':
- if (statfs(fname, &stfs) == -1) {
- save_errno = errno;
- perror("statfs()");
- exit(save_errno);
- }
- break;
+ case 'e':
+ commands++;
+ switch (*commands) {
+ case 'U':
+ flags = F_UNLCK;
+ break;
+ case 'R':
+ flags = F_RDLCK;
+ break;
+ case 'W':
+ flags = F_WRLCK;
+ break;
+ default:
+ errx(-1, "unknown mode: %c", *commands);
+ }
+
+ rc = ioctl(fd, LL_IOC_SET_LEASE, flags);
+ if (rc < 0)
+ err(errno, "apply lease error");
+
+ if (flags != F_UNLCK)
+ break;
+
+ /* F_UNLCK, interpret return code */
+ if (rc > 0) {
+ const char *str = "Unknown";
+ if (rc == FMODE_READ)
+ str = "FMODE_READ";
+ else if (rc == FMODE_WRITE)
+ str = "FMODE_WRITE";
+ fprintf(stdout, "%s lease(%d) released.\n",
+ str, rc);
+ } else if (rc == 0) {
+ fprintf(stdout, "lease already broken.\n");
+ }
+ break;
+ case 'E':
+ commands++;
+ if (*commands != '-' && *commands != '+')
+ errx(-1, "unknown mode: %c\n", *commands);
+
+ rc = ioctl(fd, LL_IOC_GET_LEASE);
+ if (rc > 0) {
+ const char *str = "Unknown";
+
+ if (rc == FMODE_READ)
+ str = "FMODE_READ";
+ else if (rc == FMODE_WRITE)
+ str = "FMODE_WRITE";
+ fprintf(stdout, "%s lease(%d) has applied.\n",
+ str, rc);
+ if (*commands == '-')
+ errx(-1, "expect lease to not exist");
+ } else if (rc == 0) {
+ fprintf(stdout, "no lease applied.\n");
+ if (*commands == '+')
+ errx(-1, "expect lease exists");
+ } else {
+ err(errno, "free lease error");
+ }
+ break;
+ case 'f':
+ if (statfs(fname, &stfs) == -1)
+ errx(-1, "statfs()");
+ break;
case 'F':
if (fd == -1)
rc = llapi_path2fid(fname, &fid);
exit(save_errno);
}
break;
+ case 'H':
+ len = atoi(commands+1);
+ fd = llapi_file_open(fname, O_CREAT | O_WRONLY,
+ 0644, 0, 0, len,
+ LOV_PATTERN_RAID0 | LOV_PATTERN_F_RELEASED);
+ if (fd == -1) {
+ save_errno = errno;
+ perror("create stripe file");
+ exit(save_errno);
+ }
+ break;
case 'K':
oldpath = POP_ARG();
if (oldpath == NULL)
len -= rc;
}
break;
- case 'W':
- for (i = 0; i < mmap_len && mmap_ptr; i += 4096)
- mmap_ptr[i] += junk++;
- break;
+ case 'W':
+ for (i = 0; i < mmap_len && mmap_ptr; i += 4096)
+ mmap_ptr[i] += junk++;
+ break;
+ case 'x':
+ rc = llapi_get_data_version(fd, &dv, 0);
+ if (rc) {
+ fprintf(stderr, "cannot get file data version"
+ " %d\n", rc);
+ exit(-rc);
+ }
+ printf("dataversion is "LPU64"\n", dv);
+ break;
case 'y':
if (fsync(fd) == -1) {
save_errno = errno;
}
break;
case 'Y':
- if (fdatasync(fd) == -1) {
- save_errno = errno;
- perror("fdatasync");
- exit(save_errno);
- }
+ if (fdatasync(fd) == -1) {
+ save_errno = errno;
+ perror("fdatasync");
+ exit(save_errno);
+ }
+ break;
case 'z':
len = atoi(commands+1);
if (lseek(fd, len, SEEK_SET) == -1) {
git://git.whamcloud.com / fs / lustre-release.git / blobdiff