[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/app/e2fsprogs/e2fsprogs-1.42.9/misc/filefrag.c b/ap/app/e2fsprogs/e2fsprogs-1.42.9/misc/filefrag.c
new file mode 100644
index 0000000..a050a22
--- /dev/null
+++ b/ap/app/e2fsprogs/e2fsprogs-1.42.9/misc/filefrag.c
@@ -0,0 +1,525 @@
+/*
+ * filefrag.c -- report if a particular file is fragmented
+ *
+ * Copyright 2003 by Theodore Ts'o.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
+ */
+
+#include "config.h"
+#ifndef __linux__
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+int main(void) {
+ fputs("This program is only supported on Linux!\n", stderr);
+ exit(EXIT_FAILURE);
+}
+#else
+#define _LARGEFILE64_SOURCE
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <time.h>
+#include <fcntl.h>
+#include <errno.h>
+#ifdef HAVE_GETOPT_H
+#include <getopt.h>
+#else
+extern char *optarg;
+extern int optind;
+#endif
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/vfs.h>
+#include <sys/ioctl.h>
+#include <linux/fd.h>
+#include <ext2fs/ext2fs.h>
+#include <ext2fs/ext2_types.h>
+#include <ext2fs/fiemap.h>
+
+int verbose = 0;
+int blocksize; /* Use specified blocksize (default 1kB) */
+int sync_file = 0; /* fsync file before getting the mapping */
+int xattr_map = 0; /* get xattr mapping */
+int force_bmap; /* force use of FIBMAP instead of FIEMAP */
+int force_extent; /* print output in extent format always */
+int logical_width = 8;
+int physical_width = 10;
+const char *ext_fmt = "%4d: %*llu..%*llu: %*llu..%*llu: %6llu: %s\n";
+const char *hex_fmt = "%4d: %*llx..%*llx: %*llx..%*llx: %6llx: %s\n";
+
+#define FILEFRAG_FIEMAP_FLAGS_COMPAT (FIEMAP_FLAG_SYNC | FIEMAP_FLAG_XATTR)
+
+#define FIBMAP _IO(0x00, 1) /* bmap access */
+#define FIGETBSZ _IO(0x00, 2) /* get the block size used for bmap */
+
+#define LUSTRE_SUPER_MAGIC 0x0BD00BD0
+
+#define EXT4_EXTENTS_FL 0x00080000 /* Inode uses extents */
+#define EXT3_IOC_GETFLAGS _IOR('f', 1, long)
+
+static int int_log2(int arg)
+{
+ int l = 0;
+
+ arg >>= 1;
+ while (arg) {
+ l++;
+ arg >>= 1;
+ }
+ return l;
+}
+
+static int int_log10(unsigned long long arg)
+{
+ int l = 0;
+
+ arg = arg / 10;
+ while (arg) {
+ l++;
+ arg = arg / 10;
+ }
+ return l;
+}
+
+static unsigned int div_ceil(unsigned int a, unsigned int b)
+{
+ if (!a)
+ return 0;
+ return ((a - 1) / b) + 1;
+}
+
+static int get_bmap(int fd, unsigned long block, unsigned long *phy_blk)
+{
+ int ret;
+ unsigned int b;
+
+ b = block;
+ ret = ioctl(fd, FIBMAP, &b); /* FIBMAP takes pointer to integer */
+ if (ret < 0) {
+ if (errno == EPERM) {
+ fprintf(stderr, "No permission to use FIBMAP ioctl; "
+ "must have root privileges\n");
+ }
+ }
+ *phy_blk = b;
+
+ return ret;
+}
+
+static void print_extent_header(void)
+{
+ printf(" ext: %*s %*s length: %*s flags:\n",
+ logical_width * 2 + 3,
+ "logical_offset:",
+ physical_width * 2 + 3, "physical_offset:",
+ physical_width + 1,
+ "expected:");
+}
+
+static void print_extent_info(struct fiemap_extent *fm_extent, int cur_ex,
+ unsigned long long expected, int blk_shift,
+ ext2fs_struct_stat *st)
+{
+ unsigned long long physical_blk;
+ unsigned long long logical_blk;
+ unsigned long long ext_len;
+ unsigned long long ext_blks;
+ char flags[256] = "";
+
+ /* For inline data all offsets should be in bytes, not blocks */
+ if (fm_extent->fe_flags & FIEMAP_EXTENT_DATA_INLINE)
+ blk_shift = 0;
+
+ ext_len = fm_extent->fe_length >> blk_shift;
+ ext_blks = (fm_extent->fe_length - 1) >> blk_shift;
+ logical_blk = fm_extent->fe_logical >> blk_shift;
+ physical_blk = fm_extent->fe_physical >> blk_shift;
+
+ if (expected)
+ sprintf(flags, ext_fmt == hex_fmt ? "%*llx: " : "%*llu: ",
+ physical_width, expected >> blk_shift);
+ else
+ sprintf(flags, "%.*s ", physical_width, " ");
+
+ if (fm_extent->fe_flags & FIEMAP_EXTENT_UNKNOWN)
+ strcat(flags, "unknown,");
+ if (fm_extent->fe_flags & FIEMAP_EXTENT_DELALLOC)
+ strcat(flags, "delalloc,");
+ if (fm_extent->fe_flags & FIEMAP_EXTENT_DATA_ENCRYPTED)
+ strcat(flags, "encrypted,");
+ if (fm_extent->fe_flags & FIEMAP_EXTENT_NOT_ALIGNED)
+ strcat(flags, "not_aligned,");
+ if (fm_extent->fe_flags & FIEMAP_EXTENT_DATA_INLINE)
+ strcat(flags, "inline,");
+ if (fm_extent->fe_flags & FIEMAP_EXTENT_DATA_TAIL)
+ strcat(flags, "tail_packed,");
+ if (fm_extent->fe_flags & FIEMAP_EXTENT_UNWRITTEN)
+ strcat(flags, "unwritten,");
+ if (fm_extent->fe_flags & FIEMAP_EXTENT_MERGED)
+ strcat(flags, "merged,");
+
+ if (fm_extent->fe_logical + fm_extent->fe_length >= (__u64) st->st_size)
+ strcat(flags, "eof,");
+
+ /* Remove trailing comma, if any */
+ if (flags[0])
+ flags[strlen(flags) - 1] = '\0';
+
+ printf(ext_fmt, cur_ex, logical_width, logical_blk,
+ logical_width, logical_blk + ext_blks,
+ physical_width, physical_blk,
+ physical_width, physical_blk + ext_blks,
+ ext_len, flags);
+}
+
+static int filefrag_fiemap(int fd, int blk_shift, int *num_extents,
+ ext2fs_struct_stat *st)
+{
+ char buf[16384];
+ struct fiemap *fiemap = (struct fiemap *)buf;
+ struct fiemap_extent *fm_ext = &fiemap->fm_extents[0];
+ int count = (sizeof(buf) - sizeof(*fiemap)) /
+ sizeof(struct fiemap_extent);
+ unsigned long long expected = 0;
+ unsigned long flags = 0;
+ unsigned int i;
+ static int fiemap_incompat_printed;
+ int fiemap_header_printed = 0;
+ int tot_extents = 0, n = 0;
+ int last = 0;
+ int rc;
+
+ memset(fiemap, 0, sizeof(struct fiemap));
+
+ if (sync_file)
+ flags |= FIEMAP_FLAG_SYNC;
+
+ if (xattr_map)
+ flags |= FIEMAP_FLAG_XATTR;
+
+ do {
+ fiemap->fm_length = ~0ULL;
+ fiemap->fm_flags = flags;
+ fiemap->fm_extent_count = count;
+ rc = ioctl(fd, FS_IOC_FIEMAP, (unsigned long) fiemap);
+ if (rc < 0) {
+ if (errno == EBADR && fiemap_incompat_printed == 0) {
+ printf("FIEMAP failed with unsupported "
+ "flags %x\n", fiemap->fm_flags);
+ fiemap_incompat_printed = 1;
+ }
+ return rc;
+ }
+
+ /* If 0 extents are returned, then more ioctls are not needed */
+ if (fiemap->fm_mapped_extents == 0)
+ break;
+
+ if (verbose && !fiemap_header_printed) {
+ print_extent_header();
+ fiemap_header_printed = 1;
+ }
+
+ for (i = 0; i < fiemap->fm_mapped_extents; i++) {
+ if (fm_ext[i].fe_logical != 0 &&
+ fm_ext[i].fe_physical != expected) {
+ tot_extents++;
+ } else {
+ expected = 0;
+ if (!tot_extents)
+ tot_extents = 1;
+ }
+ if (verbose)
+ print_extent_info(&fm_ext[i], n, expected,
+ blk_shift, st);
+
+ expected = fm_ext[i].fe_physical + fm_ext[i].fe_length;
+ if (fm_ext[i].fe_flags & FIEMAP_EXTENT_LAST)
+ last = 1;
+ n++;
+ }
+
+ fiemap->fm_start = (fm_ext[i - 1].fe_logical +
+ fm_ext[i - 1].fe_length);
+ } while (last == 0);
+
+ *num_extents = tot_extents;
+
+ return 0;
+}
+
+#define EXT2_DIRECT 12
+
+static int filefrag_fibmap(int fd, int blk_shift, int *num_extents,
+ ext2fs_struct_stat *st,
+ unsigned long numblocks, int is_ext2)
+{
+ struct fiemap_extent fm_ext;
+ unsigned long i, last_block;
+ unsigned long long logical;
+ /* Blocks per indirect block */
+ const long bpib = st->st_blksize / 4;
+ int count;
+
+ if (force_extent) {
+ memset(&fm_ext, 0, sizeof(fm_ext));
+ fm_ext.fe_flags = FIEMAP_EXTENT_MERGED;
+ }
+
+ if (sync_file)
+ fsync(fd);
+
+ for (i = 0, logical = 0, *num_extents = 0, count = last_block = 0;
+ i < numblocks;
+ i++, logical += st->st_blksize) {
+ unsigned long block = 0;
+ int rc;
+
+ if (is_ext2 && last_block) {
+ if (((i - EXT2_DIRECT) % bpib) == 0)
+ last_block++;
+ if (((i - EXT2_DIRECT - bpib) % (bpib * bpib)) == 0)
+ last_block++;
+ if (((i - EXT2_DIRECT - bpib - bpib * bpib) %
+ (((unsigned long long)bpib) * bpib * bpib)) == 0)
+ last_block++;
+ }
+ rc = get_bmap(fd, i, &block);
+ if (rc < 0)
+ return rc;
+ if (block == 0)
+ continue;
+ if (*num_extents == 0) {
+ (*num_extents)++;
+ if (force_extent) {
+ print_extent_header();
+ fm_ext.fe_physical = block * st->st_blksize;
+ }
+ }
+ count++;
+ if (force_extent && last_block != 0 &&
+ (block != last_block + 1 ||
+ fm_ext.fe_logical + fm_ext.fe_length != logical)) {
+ print_extent_info(&fm_ext, *num_extents - 1,
+ (last_block + 1) * st->st_blksize,
+ blk_shift, st);
+ fm_ext.fe_logical = logical;
+ fm_ext.fe_physical = block * st->st_blksize;
+ fm_ext.fe_length = 0;
+ (*num_extents)++;
+ } else if (verbose && last_block && (block != last_block + 1)) {
+ printf("Discontinuity: Block %ld is at %lu (was %lu)\n",
+ i, block, last_block + 1);
+ (*num_extents)++;
+ }
+ fm_ext.fe_length += st->st_blksize;
+ last_block = block;
+ }
+
+ if (force_extent)
+ print_extent_info(&fm_ext, *num_extents - 1,
+ last_block * st->st_blksize, blk_shift, st);
+
+ return count;
+}
+
+static void frag_report(const char *filename)
+{
+ static struct statfs fsinfo;
+ ext2fs_struct_stat st;
+ int blk_shift;
+ long fd;
+ unsigned long numblocks;
+ int data_blocks_per_cyl = 1;
+ int num_extents = 1, expected = ~0;
+ int is_ext2 = 0;
+ static dev_t last_device;
+ unsigned int flags;
+ int width;
+
+#if defined(HAVE_OPEN64) && !defined(__OSX_AVAILABLE_BUT_DEPRECATED)
+ fd = open64(filename, O_RDONLY);
+#else
+ fd = open(filename, O_RDONLY);
+#endif
+ if (fd < 0) {
+ perror("open");
+ return;
+ }
+
+#if defined(HAVE_FSTAT64) && !defined(__OSX_AVAILABLE_BUT_DEPRECATED)
+ if (fstat64(fd, &st) < 0) {
+#else
+ if (fstat(fd, &st) < 0) {
+#endif
+ close(fd);
+ perror("stat");
+ return;
+ }
+
+ if (last_device != st.st_dev) {
+ if (fstatfs(fd, &fsinfo) < 0) {
+ close(fd);
+ perror("fstatfs");
+ return;
+ }
+ if (verbose)
+ printf("Filesystem type is: %lx\n",
+ (unsigned long) fsinfo.f_type);
+ }
+ st.st_blksize = fsinfo.f_bsize;
+ if (ioctl(fd, EXT3_IOC_GETFLAGS, &flags) < 0)
+ flags = 0;
+ if (!(flags & EXT4_EXTENTS_FL) &&
+ ((fsinfo.f_type == 0xef51) || (fsinfo.f_type == 0xef52) ||
+ (fsinfo.f_type == 0xef53)))
+ is_ext2++;
+
+ if (is_ext2) {
+ long cylgroups = div_ceil(fsinfo.f_blocks, fsinfo.f_bsize * 8);
+
+ if (verbose && last_device != st.st_dev)
+ printf("Filesystem cylinder groups approximately %ld\n",
+ cylgroups);
+
+ data_blocks_per_cyl = fsinfo.f_bsize * 8 -
+ (fsinfo.f_files / 8 / cylgroups) - 3;
+ }
+ last_device = st.st_dev;
+
+ width = int_log10(fsinfo.f_blocks);
+ if (width > physical_width)
+ physical_width = width;
+
+ numblocks = (st.st_size + fsinfo.f_bsize - 1) / fsinfo.f_bsize;
+ if (blocksize != 0)
+ blk_shift = int_log2(blocksize);
+ else
+ blk_shift = int_log2(fsinfo.f_bsize);
+
+ width = int_log10(numblocks);
+ if (width > logical_width)
+ logical_width = width;
+ if (verbose)
+ printf("File size of %s is %llu (%lu block%s of %d bytes)\n",
+ filename, (unsigned long long)st.st_size,
+ numblocks * fsinfo.f_bsize >> blk_shift,
+ numblocks == 1 ? "" : "s", 1 << blk_shift);
+
+ if (force_bmap ||
+ filefrag_fiemap(fd, blk_shift, &num_extents, &st) != 0) {
+ expected = filefrag_fibmap(fd, blk_shift, &num_extents,
+ &st, numblocks, is_ext2);
+ if (expected < 0) {
+ if (errno == EINVAL || errno == ENOTTY) {
+ fprintf(stderr, "%s: FIBMAP unsupported\n",
+ filename);
+ } else if (errno != EPERM) {
+ fprintf(stderr, "%s: FIBMAP error: %s",
+ filename, strerror(errno));
+ }
+ goto out_close;
+ }
+ expected = expected / data_blocks_per_cyl + 1;
+ }
+
+ if (num_extents == 1)
+ printf("%s: 1 extent found", filename);
+ else
+ printf("%s: %d extents found", filename, num_extents);
+ /* count, and thus expected, only set for indirect FIBMAP'd files */
+ if (is_ext2 && expected && expected < num_extents)
+ printf(", perfection would be %d extent%s\n", expected,
+ (expected > 1) ? "s" : "");
+ else
+ fputc('\n', stdout);
+out_close:
+ close(fd);
+}
+
+static void usage(const char *progname)
+{
+ fprintf(stderr, "Usage: %s [-b{blocksize}] [-BeklsvxX] file ...\n",
+ progname);
+ exit(1);
+}
+
+int main(int argc, char**argv)
+{
+ char **cpp;
+ int c;
+
+ while ((c = getopt(argc, argv, "Bb::eksvxX")) != EOF)
+ switch (c) {
+ case 'B':
+ force_bmap++;
+ break;
+ case 'b':
+ if (optarg) {
+ char *end;
+ blocksize = strtoul(optarg, &end, 0);
+ if (end) {
+ switch (end[0]) {
+ case 'g':
+ case 'G':
+ blocksize *= 1024;
+ /* no break */
+ case 'm':
+ case 'M':
+ blocksize *= 1024;
+ /* no break */
+ case 'k':
+ case 'K':
+ blocksize *= 1024;
+ break;
+ default:
+ break;
+ }
+ }
+ } else { /* Allow -b without argument for compat. Remove
+ * this eventually so "-b {blocksize}" works */
+ fprintf(stderr, "%s: -b needs a blocksize "
+ "option, assuming 1024-byte blocks.\n",
+ argv[0]);
+ blocksize = 1024;
+ }
+ break;
+ case 'e':
+ force_extent++;
+ if (!verbose)
+ verbose++;
+ break;
+ case 'k':
+ blocksize = 1024;
+ break;
+ case 's':
+ sync_file++;
+ break;
+ case 'v':
+ verbose++;
+ break;
+ case 'x':
+ xattr_map++;
+ break;
+ case 'X':
+ ext_fmt = hex_fmt;
+ break;
+ default:
+ usage(argv[0]);
+ break;
+ }
+ if (optind == argc)
+ usage(argv[0]);
+ for (cpp=argv+optind; *cpp; cpp++)
+ frag_report(*cpp);
+ return 0;
+}
+#endif