Let's add list/set/removexattrs commands. Signed-off-by: Jaegeuk Kim <jaeg...@kernel.org> ---
- add removexattrs tools/f2fs_io/f2fs_io.c | 107 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 107 insertions(+) diff --git a/tools/f2fs_io/f2fs_io.c b/tools/f2fs_io/f2fs_io.c index c812aa1458a2..e7d286a67939 100644 --- a/tools/f2fs_io/f2fs_io.c +++ b/tools/f2fs_io/f2fs_io.c @@ -35,6 +35,7 @@ #include <termios.h> #include <time.h> #include <unistd.h> +#include <sys/xattr.h> #ifdef HAVE_CONFIG_H #include <config.h> @@ -1526,6 +1527,109 @@ static void do_gc_range(int argc, char **argv, const struct cmd_desc *cmd) exit(0); } +#define listxattr_desc "listxattr" +#define listxattr_help "f2fs_io listxattr [file_path]\n\n" + +static void do_listxattr(int argc, char **argv, const struct cmd_desc *cmd) +{ + char *buf, *key, *val; + ssize_t buflen, vallen, keylen; + + if (argc != 2) { + fputs("Excess arguments\n\n", stderr); + fputs(cmd->cmd_help, stderr); + exit(1); + } + + buflen = listxattr(argv[1], NULL, 0); + if (buflen == -1) { + perror("listxattr"); + exit(1); + } + if (buflen == 0) { + printf("%s has no attributes.\n", argv[1]); + exit(0); + } + buf = xmalloc(buflen); + buflen = listxattr(argv[1], buf, buflen); + if (buflen == -1) { + perror("listxattr"); + exit(1); + } + + key = buf; + while (buflen > 0) { + printf("%s: ", key); + vallen = getxattr(argv[1], key, NULL, 0); + if (vallen == -1) { + perror("getxattr"); + exit(1); + } + if (vallen == 0) { + printf("<no value>"); + } else { + val = xmalloc(vallen + 1); + vallen = getxattr(argv[1], key, val, vallen); + if (vallen == -1) { + perror("getxattr"); + exit(1); + } + val[vallen] = 0; + printf("%s", val); + free(val); + } + printf("\n"); + keylen = strlen(key) + 1; + buflen -= keylen; + key += keylen; + } + exit(0); +} + +#define setxattr_desc "setxattr" +#define setxattr_help "f2fs_io setxattr [name] [value] [file_path]\n\n" + +static void do_setxattr(int argc, char **argv, const struct cmd_desc *cmd) +{ + int ret; + + if (argc != 4) { + fputs("Excess arguments\n\n", stderr); + fputs(cmd->cmd_help, stderr); + exit(1); + } + + ret = setxattr(argv[3], argv[1], argv[2], strlen(argv[2]), XATTR_CREATE); + printf("setxattr %s CREATE: name: %s, value: %s: ret=%d\n", + argv[3], argv[1], argv[2], ret); + if (ret < 0 && errno == EEXIST) { + ret = setxattr(argv[3], argv[1], argv[2], strlen(argv[2]), XATTR_REPLACE); + printf("setxattr %s REPLACE: name: %s, value: %s: ret=%d\n", + argv[3], argv[1], argv[2], ret); + } + if (ret < 0) + perror("setxattr"); + exit(0); +} + +#define removexattr_desc "removexattr" +#define removexattr_help "f2fs_io removexattr [name] [file_path]\n\n" + +static void do_removexattr(int argc, char **argv, const struct cmd_desc *cmd) +{ + int ret; + + if (argc != 3) { + fputs("Excess arguments\n\n", stderr); + fputs(cmd->cmd_help, stderr); + exit(1); + } + + ret = removexattr(argv[2], argv[1]); + printf("removexattr %s REMOVE: name: %s: ret=%d\n", argv[1], argv[2], ret); + exit(0); +} + #define CMD_HIDDEN 0x0001 #define CMD(name) { #name, do_##name, name##_desc, name##_help, 0 } #define _CMD(name) { #name, do_##name, NULL, NULL, CMD_HIDDEN } @@ -1564,6 +1668,9 @@ const struct cmd_desc cmd_list[] = { CMD(precache_extents), CMD(move_range), CMD(gc_range), + CMD(listxattr), + CMD(setxattr), + CMD(removexattr), { NULL, NULL, NULL, NULL, 0 } }; -- 2.42.0.655.g421f12c284-goog _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel