From: Filipe Manana <[email protected]> The previous patches added support for operations to set, get and delete xattrs on regular files and directories, this patch just adds an operation to list the xattrs of a file/directory.
Signed-off-by: Filipe Manana <[email protected]> --- V2: New patch in the series, the first version of the patchset did not include this patch. ltp/fsstress.c | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) diff --git a/ltp/fsstress.c b/ltp/fsstress.c index 1694c5a2..ff560d6e 100644 --- a/ltp/fsstress.c +++ b/ltp/fsstress.c @@ -72,6 +72,7 @@ typedef enum { OP_GETDENTS, OP_GETFATTR, OP_LINK, + OP_LISTFATTR, OP_MKDIR, OP_MKNOD, OP_MREAD, @@ -188,6 +189,7 @@ void getattr_f(int, long); void getdents_f(int, long); void getfattr_f(int, long); void link_f(int, long); +void listfattr_f(int, long); void mkdir_f(int, long); void mknod_f(int, long); void mread_f(int, long); @@ -242,6 +244,7 @@ opdesc_t ops[] = { { OP_GETDENTS, "getdents", getdents_f, 1, 0 }, { OP_GETFATTR, "getfattr", getfattr_f, 2, 0 }, { OP_LINK, "link", link_f, 1, 1 }, + { OP_LISTFATTR, "listfattr", listfattr_f, 1, 0 }, { OP_MKDIR, "mkdir", mkdir_f, 2, 1 }, { OP_MKNOD, "mknod", mknod_f, 2, 1 }, { OP_MREAD, "mread", mread_f, 2, 0 }, @@ -3751,6 +3754,69 @@ link_f(int opno, long r) } void +listfattr_f(int opno, long r) +{ + int fd; + fent_t *fep; + int e; + pathname_t f; + int v; + char *buffer = NULL; + int buffer_len; + DIR *dir; + + init_pathname(&f); + if (!get_fname(FT_REGFILE | FT_DIRm, r, &f, NULL, &fep, &v)) { + if (v) + printf("%d/%d: listfattr - no filename\n", procid, opno); + free_pathname(&f); + return; + } + fd = open_file_or_dir(&f, O_RDONLY, &dir); + e = fd < 0 ? errno : 0; + if (fd < 0) { + if (v) + printf("%d/%d: listfattr - open %s failed %d\n", + procid, opno, f.path, e); + free_pathname(&f); + return; + } + check_cwd(); + + e = flistxattr(fd, NULL, 0); + if (e < 0) { + if (v) + printf("%d/%d: listfattr %s failed %d\n", + procid, opno, f.path, errno); + goto out; + } + buffer_len = e; + if (buffer_len == 0) { + if (v) + printf("%d/%d: listfattr %s - has no extended attributes\n", + procid, opno, f.path); + goto out; + } + + buffer = malloc(buffer_len); + if (!buffer) { + if (v) + printf("%d/%d: listfattr %s failed to allocate buffer with %d bytes\n", + procid, opno, f.path, buffer_len); + goto out; + } + + e = flistxattr(fd, buffer, buffer_len) < 0 ? errno : 0; + if (v) + printf("%d/%d: listfattr %s buffer length %d %d\n", + procid, opno, f.path, buffer_len, e); +out: + free(buffer); + free_pathname(&f); + close_file_or_dir(fd, dir); +} + +void mkdir_f(int opno, long r) { int e; -- 2.11.0
