Expend fallocate command to support more flags. Signed-off-by: Yangtao Li <frank...@vivo.com> --- 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 struct cmd_desc *cmd) #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" \ 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 = 0; + int c; - if (argc != 5) { + while ((c = getopt(argc, argv, "cipz")) != -1) { + switch (c) { + case 'c': + mode |= FALLOC_FL_COLLAPSE_RANGE; + break; + case 'i': + mode |= FALLOC_FL_INSERT_RANGE; + break; + case 'p': + mode |= FALLOC_FL_PUNCH_HOLE; + break; + case 'z': + mode |= FALLOC_FL_ZERO_RANGE; + break; + default: + fputs(cmd->cmd_help, stderr); + exit(2); + } + } + argc -= optind; + argv += optind; + + if (argc != 4) { fputs("Excess arguments\n\n", stderr); fputs(cmd->cmd_help, stderr); exit(1); } - if (!strcmp(argv[1], "1")) + if (!strcmp(argv[0], "1")) mode |= FALLOC_FL_KEEP_SIZE; - offset = atoi(argv[2]); - length = atoll(argv[3]); + offset = atoi(argv[1]); + length = atoll(argv[2]); - fd = xopen(argv[4], O_RDWR, 0); + fd = xopen(argv[3], O_RDWR, 0); if (fallocate(fd, mode, offset, length) != 0) die_errno("fallocate failed"); -- 2.39.0 _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel