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Block cloning tests.

Browse Source 
The test mostly focus on testing various corner cases.
The tests take a long time to run, so for the common.run runfile
we randomly select a hundred tests.
To run all the bclone tests, bclone.run runfile should be used.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Pawel Jakub Dawidek <pawel@dawidek.net>
Closes #15631
This commit is contained in:
Pawel Jakub Dawidek
2023-12-26 12:01:53 -08:00
committed by GitHub
parent 233d34e47e
commit 4cf4bc7334
32 changed files with 1767 additions and 73 deletions
Download Patch File Download Diff File Expand all files Collapse all files
tests/zfs-tests/cmd/Makefile.am
+1 -1
View File
@@ -2,6 +2,7 @@ scripts_zfs_tests_bindir = $(datadir)/$(PACKAGE)/zfs-tests/bin
scripts_zfs_tests_bin_PROGRAMS = %D%/chg_usr_exec
scripts_zfs_tests_bin_PROGRAMS += %D%/clonefile
scripts_zfs_tests_bin_PROGRAMS += %D%/cp_files
scripts_zfs_tests_bin_PROGRAMS += %D%/ctime
scripts_zfs_tests_bin_PROGRAMS += %D%/dir_rd_update
@@ -119,7 +120,6 @@ scripts_zfs_tests_bin_PROGRAMS += %D%/renameat2
scripts_zfs_tests_bin_PROGRAMS += %D%/xattrtest
scripts_zfs_tests_bin_PROGRAMS += %D%/zed_fd_spill-zedlet
scripts_zfs_tests_bin_PROGRAMS += %D%/idmap_util
scripts_zfs_tests_bin_PROGRAMS += %D%/clonefile
%C%_idmap_util_LDADD = libspl.la
tests/zfs-tests/cmd/clonefile.c
+60 -20
View File
@@ -59,6 +59,10 @@
#endif
#endif /* __NR_copy_file_range */
#ifdef __FreeBSD__
#define loff_t off_t
#endif
ssize_t
copy_file_range(int, loff_t *, int, loff_t *, size_t, unsigned int)
__attribute__((weak));
@@ -140,7 +144,7 @@ usage(void)
" FICLONERANGE:\n"
" clonefile -r <src> <dst> <soff> <doff> <len>\n"
" copy_file_range:\n"
" clonefile -f <src> <dst> <soff> <doff> <len>\n"
" clonefile -f <src> <dst> [<soff> <doff> <len | \"all\">]\n"
" FIDEDUPERANGE:\n"
" clonefile -d <src> <dst> <soff> <doff> <len>\n");
return (1);
@@ -179,13 +183,29 @@ main(int argc, char **argv)
}
}
if (mode == CF_MODE_NONE || (argc-optind) < 2 ||
(mode != CF_MODE_CLONE && (argc-optind) < 5))
return (usage());
switch (mode) {
case CF_MODE_NONE:
return (usage());
case CF_MODE_CLONE:
if ((argc-optind) != 2)
return (usage());
break;
case CF_MODE_CLONERANGE:
case CF_MODE_DEDUPERANGE:
if ((argc-optind) != 5)
return (usage());
break;
case CF_MODE_COPYFILERANGE:
if ((argc-optind) != 2 && (argc-optind) != 5)
return (usage());
break;
default:
abort();
}
loff_t soff = 0, doff = 0;
size_t len = 0;
if (mode != CF_MODE_CLONE) {
size_t len = SSIZE_MAX;
if ((argc-optind) == 5) {
soff = strtoull(argv[optind+2], NULL, 10);
if (soff == ULLONG_MAX) {
fprintf(stderr, "invalid source offset");
@@ -196,10 +216,15 @@ main(int argc, char **argv)
fprintf(stderr, "invalid dest offset");
return (1);
}
len = strtoull(argv[optind+4], NULL, 10);
if (len == ULLONG_MAX) {
fprintf(stderr, "invalid length");
return (1);
if (mode == CF_MODE_COPYFILERANGE &&
strcmp(argv[optind+4], "all") == 0) {
len = SSIZE_MAX;
} else {
len = strtoull(argv[optind+4], NULL, 10);
if (len == ULLONG_MAX) {
fprintf(stderr, "invalid length");
return (1);
}
}
}
@@ -237,13 +262,15 @@ main(int argc, char **argv)
abort();
}
off_t spos = lseek(sfd, 0, SEEK_CUR);
off_t slen = lseek(sfd, 0, SEEK_END);
off_t dpos = lseek(dfd, 0, SEEK_CUR);
off_t dlen = lseek(dfd, 0, SEEK_END);
if (!quiet) {
off_t spos = lseek(sfd, 0, SEEK_CUR);
off_t slen = lseek(sfd, 0, SEEK_END);
off_t dpos = lseek(dfd, 0, SEEK_CUR);
off_t dlen = lseek(dfd, 0, SEEK_END);
fprintf(stderr, "file offsets: src=%lu/%lu; dst=%lu/%lu\n", spos, slen,
dpos, dlen);
fprintf(stderr, "file offsets: src=%lu/%lu; dst=%lu/%lu\n",
spos, slen, dpos, dlen);
}
close(dfd);
close(sfd);
@@ -254,7 +281,8 @@ main(int argc, char **argv)
int
do_clone(int sfd, int dfd)
{
fprintf(stderr, "using FICLONE\n");
if (!quiet)
fprintf(stderr, "using FICLONE\n");
int err = ioctl(dfd, CF_FICLONE, sfd);
if (err < 0) {
fprintf(stderr, "ioctl(FICLONE): %s\n", strerror(errno));
@@ -266,7 +294,8 @@ do_clone(int sfd, int dfd)
int
do_clonerange(int sfd, int dfd, loff_t soff, loff_t doff, size_t len)
{
fprintf(stderr, "using FICLONERANGE\n");
if (!quiet)
fprintf(stderr, "using FICLONERANGE\n");
cf_file_clone_range_t fcr = {
.src_fd = sfd,
.src_offset = soff,
@@ -284,12 +313,22 @@ do_clonerange(int sfd, int dfd, loff_t soff, loff_t doff, size_t len)
int
do_copyfilerange(int sfd, int dfd, loff_t soff, loff_t doff, size_t len)
{
fprintf(stderr, "using copy_file_range\n");
if (!quiet)
fprintf(stderr, "using copy_file_range\n");
ssize_t copied = cf_copy_file_range(sfd, &soff, dfd, &doff, len, 0);
if (copied < 0) {
fprintf(stderr, "copy_file_range: %s\n", strerror(errno));
return (1);
}
if (len == SSIZE_MAX) {
struct stat sb;
if (fstat(sfd, &sb) < 0) {
fprintf(stderr, "fstat(sfd): %s\n", strerror(errno));
return (1);
}
len = sb.st_size;
}
if (copied != len) {
fprintf(stderr, "copy_file_range: copied less than requested: "
"requested=%lu; copied=%lu\n", len, copied);
@@ -301,7 +340,8 @@ do_copyfilerange(int sfd, int dfd, loff_t soff, loff_t doff, size_t len)
int
do_deduperange(int sfd, int dfd, loff_t soff, loff_t doff, size_t len)
{
fprintf(stderr, "using FIDEDUPERANGE\n");
if (!quiet)
fprintf(stderr, "using FIDEDUPERANGE\n");
char buf[sizeof (cf_file_dedupe_range_t)+
sizeof (cf_file_dedupe_range_info_t)] = {0};