fsstress: add operation for deleting xattrs from files and directories

[xfstests-dev.git] / ltp / fsstress.c

diff --git a/ltp/fsstress.c b/ltp/fsstress.c
index f24dd42d597baf13d304a493aab0ca007e5547d2..74100948b2033353f01130821f827390b98b7c19 100644 (file)
--- a/ltp/fsstress.c
+++ b/ltp/fsstress.c
@@ -82,6 +82,7 @@ typedef enum {
        OP_READ,
        OP_READLINK,
        OP_READV,
+       OP_REMOVEFATTR,
        OP_RENAME,
        OP_RESVSP,
        OP_RMDIR,
@@ -198,6 +199,7 @@ void        insert_f(int, long);
 void   read_f(int, long);
 void   readlink_f(int, long);
 void   readv_f(int, long);
+void   removefattr_f(int, long);
 void   rename_f(int, long);
 void   resvsp_f(int, long);
 void   rmdir_f(int, long);
@@ -253,6 +255,8 @@ opdesc_t    ops[] = {
        { OP_READ, "read", read_f, 1, 0 },
        { OP_READLINK, "readlink", readlink_f, 1, 0 },
        { OP_READV, "readv", readv_f, 1, 0 },
+       /* remove (delete) extended attribute */
+       { OP_REMOVEFATTR, "removefattr", removefattr_f, 1, 1 },
        { OP_RENAME, "rename", rename_f, 2, 1 },
        { OP_RESVSP, "resvsp", resvsp_f, 1, 1 },
        { OP_RMDIR, "rmdir", rmdir_f, 1, 1 },
@@ -4114,6 +4118,49 @@ readv_f(int opno, long r)
        close(fd);
 }
 
+void
+removefattr_f(int opno, long r)
+{
+       fent_t          *fep;
+       int             e;
+       pathname_t      f;
+       int             v;
+       char            name[XATTR_NAME_BUF_SIZE];
+       int             xattr_num;
+
+       init_pathname(&f);
+       if (!get_fname(FT_REGFILE | FT_DIRm, r, &f, NULL, &fep, &v)) {
+               if (v)
+                       printf("%d/%d: removefattr - no filename\n", procid, opno);
+               goto out;
+       }
+       check_cwd();
+
+       /*
+        * If the file/dir has xattrs, pick one randomly, otherwise attempt to
+        * remove a xattr that doesn't exist (fremovexattr should fail with
+        * errno set to ENOATTR (61) in this case).
+        */
+       if (fep->xattr_counter > 0)
+               xattr_num = (random() % fep->xattr_counter) + 1;
+       else
+               xattr_num = 0;
+
+       e = generate_xattr_name(xattr_num, name, sizeof(name));
+       if (e < 0) {
+               printf("%d/%d: removefattr - file %s failed to generate xattr name: %d\n",
+                      procid, opno, f.path, e);
+               goto out;
+       }
+
+       e = removexattr(f.path, name) < 0 ? errno : 0;
+       if (v)
+               printf("%d/%d: removefattr file %s name %s %d\n",
+                      procid, opno, f.path, name, e);
+out:
+       free_pathname(&f);
+}
+
 void
 rename_f(int opno, long r)
 {