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charset="utf-8" Expend fallocate command to support more flags. Signed-off-by: Yangtao Li --- tools/f2fs_io/f2fs_io.c | 39 +++++++++++++++++++++++++++++++++------ 1 file changed, 33 insertions(+), 6 deletions(-) diff --git a/tools/f2fs_io/f2fs_io.c b/tools/f2fs_io/f2fs_io.c index 1774eca..5a6a6a0 100644 --- a/tools/f2fs_io/f2fs_io.c +++ b/tools/f2fs_io/f2fs_io.c @@ -413,9 +413,13 @@ static void do_pinfile(int argc, char **argv, const st= ruct cmd_desc *cmd) =20 #define fallocate_desc "fallocate" #define fallocate_help \ -"f2fs_io fallocate [keep_size] [offset] [length] [file]\n\n" \ +"f2fs_io fallocate [-cipz] [keep_size] [offset] [length] [file]\n\n" \ "fallocate given the file\n" \ " [keep_size] : 1 or 0\n" \ +" -p : punch hole\n" \ +" -c : collapse range\n" \ +" -z : zero range\n" \ +" -i : insert range\n" \ =20 static void do_fallocate(int argc, char **argv, const struct cmd_desc *cmd) { @@ -423,20 +427,43 @@ static void do_fallocate(int argc, char **argv, const= struct cmd_desc *cmd) off_t offset, length; struct stat sb; int mode =3D 0; + int c; =20 - if (argc !=3D 5) { + while ((c =3D getopt(argc, argv, "cipz")) !=3D -1) { + switch (c) { + case 'c': + mode |=3D FALLOC_FL_COLLAPSE_RANGE; + break; + case 'i': + mode |=3D FALLOC_FL_INSERT_RANGE; + break; + case 'p': + mode |=3D FALLOC_FL_PUNCH_HOLE; + break; + case 'z': + mode |=3D FALLOC_FL_ZERO_RANGE; + break; + default: + fputs(cmd->cmd_help, stderr); + exit(2); + } + } + argc -=3D optind; + argv +=3D optind; + + if (argc !=3D 4) { fputs("Excess arguments\n\n", stderr); fputs(cmd->cmd_help, stderr); exit(1); } =20 - if (!strcmp(argv[1], "1")) + if (!strcmp(argv[0], "1")) mode |=3D FALLOC_FL_KEEP_SIZE; =20 - offset =3D atoi(argv[2]); - length =3D atoll(argv[3]); + offset =3D atoi(argv[1]); + length =3D atoll(argv[2]); =20 - fd =3D xopen(argv[4], O_RDWR, 0); + fd =3D xopen(argv[3], O_RDWR, 0); =20 if (fallocate(fd, mode, offset, length) !=3D 0) die_errno("fallocate failed"); --=20 2.39.0