From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from userp2120.oracle.com ([156.151.31.85]:36980 "EHLO userp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726659AbeKNJkX (ORCPT ); Wed, 14 Nov 2018 04:40:23 -0500 Subject: [PATCH 1/6] fsx: add clone range From: "Darrick J. Wong" Date: Tue, 13 Nov 2018 15:39:43 -0800 Message-ID: <154215238338.21151.852724936803809717.stgit@magnolia> In-Reply-To: <154215237717.21151.11976488103599724788.stgit@magnolia> References: <154215237717.21151.11976488103599724788.stgit@magnolia> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: fstests-owner@vger.kernel.org To: guaneryu@gmail.com, darrick.wong@oracle.com Cc: linux-xfs@vger.kernel.org, fstests@vger.kernel.org List-ID: From: Darrick J. Wong Add support for FICLONERANGE to fsx. Signed-off-by: Darrick J. Wong --- ltp/fsx.c | 182 +++++++++++++++++++++++++++++++++++++++++++++++++++++-------- 1 file changed, 158 insertions(+), 24 deletions(-) diff --git a/ltp/fsx.c b/ltp/fsx.c index b0157ba3..2b0a2b28 100644 --- a/ltp/fsx.c +++ b/ltp/fsx.c @@ -88,25 +88,28 @@ int logcount = 0; /* total ops */ * mode being run. */ -/* common operations */ -#define OP_READ 0 -#define OP_WRITE 1 -#define OP_MAPREAD 2 -#define OP_MAPWRITE 3 -#define OP_MAX_LITE 4 - -/* !lite operations */ -#define OP_TRUNCATE 4 -#define OP_FALLOCATE 5 -#define OP_PUNCH_HOLE 6 -#define OP_ZERO_RANGE 7 -#define OP_COLLAPSE_RANGE 8 -#define OP_INSERT_RANGE 9 -#define OP_MAX_FULL 10 - -/* integrity operations */ -#define OP_FSYNC 10 -#define OP_MAX_INTEGRITY 11 +enum { + /* common operations */ + OP_READ = 0, + OP_WRITE, + OP_MAPREAD, + OP_MAPWRITE, + OP_MAX_LITE, + + /* !lite operations */ + OP_TRUNCATE = OP_MAX_LITE, + OP_FALLOCATE, + OP_PUNCH_HOLE, + OP_ZERO_RANGE, + OP_COLLAPSE_RANGE, + OP_INSERT_RANGE, + OP_CLONE_RANGE, + OP_MAX_FULL, + + /* integrity operations */ + OP_FSYNC = OP_MAX_FULL, + OP_MAX_INTEGRITY, +}; #undef PAGE_SIZE #define PAGE_SIZE getpagesize() @@ -160,6 +163,7 @@ int punch_hole_calls = 1; /* -H flag disables */ int zero_range_calls = 1; /* -z flag disables */ int collapse_range_calls = 1; /* -C flag disables */ int insert_range_calls = 1; /* -I flag disables */ +int remap_calls = 1; /* -J flag disables */ int mapped_reads = 1; /* -R flag disables it */ int integrity = 0; /* -i flag */ int fsxgoodfd = 0; @@ -254,6 +258,7 @@ static const char *op_names[] = { [OP_ZERO_RANGE] = "zero_range", [OP_COLLAPSE_RANGE] = "collapse_range", [OP_INSERT_RANGE] = "insert_range", + [OP_CLONE_RANGE] = "clone_range", [OP_FSYNC] = "fsync", }; @@ -275,6 +280,25 @@ static int op_code(const char *name) return -1; } +void +log5(int operation, int arg0, int arg1, int arg2, enum opflags flags) +{ + struct log_entry *le; + + le = &oplog[logptr]; + le->operation = operation; + if (closeopen) + flags |= FL_CLOSE_OPEN; + le->args[0] = arg0; + le->args[1] = arg1; + le->args[2] = arg2; + le->flags = flags; + logptr++; + logcount++; + if (logptr >= LOGSIZE) + logptr = 0; +} + void log4(int operation, int arg0, int arg1, enum opflags flags) { @@ -294,7 +318,6 @@ log4(int operation, int arg0, int arg1, enum opflags flags) logptr = 0; } - void logdump(void) { @@ -418,6 +441,13 @@ logdump(void) if (overlap) prt("\t******IIII"); break; + case OP_CLONE_RANGE: + prt("CLONE 0x%x thru 0x%x\t(0x%x bytes) to 0x%x", + lp->args[0], lp->args[0] + lp->args[1] - 1, + lp->args[1], lp->args[2]); + if (overlap) + prt("\t******IIII"); + break; case OP_FSYNC: prt("FSYNC"); break; @@ -1218,6 +1248,73 @@ do_insert_range(unsigned offset, unsigned length) } #endif +#ifdef FICLONERANGE +void +do_clone_range(unsigned offset, unsigned length, unsigned dest) +{ + struct file_clone_range fcr; + + if (length == 0) { + if (!quiet && testcalls > simulatedopcount) + prt("skipping zero length clone range\n"); + log5(OP_CLONE_RANGE, offset, length, dest, FL_SKIPPED); + return; + } + + if ((loff_t)offset >= file_size) { + if (!quiet && testcalls > simulatedopcount) + prt("skipping clone range behind EOF\n"); + log5(OP_CLONE_RANGE, offset, length, dest, FL_SKIPPED); + return; + } + + log5(OP_CLONE_RANGE, offset, length, dest, FL_NONE); + + if (testcalls <= simulatedopcount) + return; + + if ((progressinterval && testcalls % progressinterval == 0) || + (debug && (monitorstart == -1 || monitorend == -1 || + dest <= monitorstart || dest + length <= monitorend))) { + prt("%lu clone\tfrom 0x%x to 0x%x, (0x%x bytes) at 0x%x\n", + testcalls, offset, offset+length, length, dest); + } + + fcr.src_fd = fd; + fcr.src_offset = offset; + fcr.src_length = length; + fcr.dest_offset = dest; + + if (ioctl(fd, FICLONERANGE, &fcr) == -1) { + if (errno == EOPNOTSUPP || errno == ENOTTY) { + if (!quiet && testcalls > simulatedopcount) + prt("skipping unsupported clone range\n"); + logptr--; + log5(OP_CLONE_RANGE, offset, length, dest, FL_SKIPPED); + return; + } + + prt("clone range: 0x%x to 0x%x at 0x%x\n", offset, + offset + length, dest); + prterr("do_clone_range: FICLONERANGE"); + report_failure(161); + } + + memcpy(good_buf + dest, good_buf + offset, length); + if (dest > file_size) + memset(good_buf + file_size, '\0', dest - file_size); + if (dest + length > file_size) + file_size = dest + length; +} + +#else +void +do_clone_range(unsigned offset, unsigned length, unsigned dest) +{ + return; +} +#endif + #ifdef HAVE_LINUX_FALLOC_H /* fallocate is basically a no-op unless extending, then a lot like a truncate */ void @@ -1374,6 +1471,7 @@ cleanup(int sig) static int read_op(struct log_entry *log_entry) { + char *end; char line[256]; memset(log_entry, 0, sizeof(*log_entry)); @@ -1404,8 +1502,6 @@ read_op(struct log_entry *log_entry) if (log_entry->operation == -1) goto fail; for (i = 0; i < 3; i++) { - char *end; - str = strtok(NULL, " \t\n"); if (!str) goto fail; @@ -1438,7 +1534,7 @@ read_op(struct log_entry *log_entry) int test(void) { - unsigned long offset; + unsigned long offset, offset2; unsigned long size; unsigned long rv; unsigned long op; @@ -1469,6 +1565,7 @@ test(void) op = log_entry.operation; offset = log_entry.args[0]; size = log_entry.args[1]; + offset2 = log_entry.args[2]; closeopen = !!(log_entry.flags & FL_CLOSE_OPEN); keep_size = !!(log_entry.flags & FL_KEEP_SIZE); goto have_op; @@ -1481,6 +1578,7 @@ test(void) closeopen = (rv >> 3) < (1 << 28) / closeprob; offset = random(); + offset2 = 0; size = maxoplen; if (randomoplen) size = random() % (maxoplen + 1); @@ -1506,6 +1604,17 @@ test(void) if (zero_range_calls && size && keep_size_calls) keep_size = random() % 2; break; + case OP_CLONE_RANGE: + TRIM_OFF_LEN(offset, size, file_size); + offset = offset & ~(block_size - 1); + size = size & ~(block_size - 1); + do { + offset2 = random(); + TRIM_OFF(offset2, maxfilelen); + offset2 = offset2 & ~(block_size - 1); + } while (llabs(offset2 - offset) < size || + offset2 + size > maxfilelen); + break; } have_op: @@ -1549,6 +1658,12 @@ test(void) goto out; } break; + case OP_CLONE_RANGE: + if (!remap_calls) { + log5(op, offset, size, offset2, FL_SKIPPED); + goto out; + } + break; } switch (op) { @@ -1615,6 +1730,18 @@ test(void) do_insert_range(offset, size); break; + case OP_CLONE_RANGE: + if (size == 0) { + log5(OP_CLONE_RANGE, offset, size, offset2, FL_SKIPPED); + goto out; + } + if (offset2 + size > maxfilelen) { + log5(OP_CLONE_RANGE, offset, size, offset2, FL_SKIPPED); + goto out; + } + + do_clone_range(offset, size, offset2); + break; case OP_FSYNC: dofsync(); break; @@ -1637,7 +1764,7 @@ void usage(void) { fprintf(stdout, "usage: %s", - "fsx [-dknqxAFLOWZ] [-b opnum] [-c Prob] [-g filldata] [-i logdev] [-j logid] [-l flen] [-m start:end] [-o oplen] [-p progressinterval] [-r readbdy] [-s style] [-t truncbdy] [-w writebdy] [-D startingop] [-N numops] [-P dirpath] [-S seed] fname\n\ + "fsx [-dknqxAFJLOWZ] [-b opnum] [-c Prob] [-g filldata] [-i logdev] [-j logid] [-l flen] [-m start:end] [-o oplen] [-p progressinterval] [-r readbdy] [-s style] [-t truncbdy] [-w writebdy] [-D startingop] [-N numops] [-P dirpath] [-S seed] fname\n\ -b opnum: beginning operation number (default 1)\n\ -c P: 1 in P chance of file close+open at each op (default infinity)\n\ -d: debug output for all operations\n\ @@ -1678,6 +1805,10 @@ usage(void) #ifdef FALLOC_FL_INSERT_RANGE " -I: Do not use insert range calls\n" #endif +#if defined(FICLONERANGE) || defined(FIDEDUPERANGE) || \ + defined(HAVE_COPY_FILE_RANGE) +" -J: Do not use clone/dedupe/copy range calls\n" +#endif " -L: fsxLite - no file creations & no file size changes\n\ -N numops: total # operations to do (default infinity)\n\ -O: use oplen (see -o flag) for every op (default random)\n\ @@ -2010,6 +2141,9 @@ main(int argc, char **argv) case 'I': insert_range_calls = 0; break; + case 'J': + remap_calls = 0; + break; case 'L': lite = 1; o_flags &= ~(O_CREAT|O_TRUNC);