{"id":2214718,"url":"http://patchwork.ozlabs.org/api/1.2/patches/2214718/?format=json","web_url":"http://patchwork.ozlabs.org/project/ltp/patch/20260323110735.55473-1-disgoel@linux.ibm.com/","project":{"id":59,"url":"http://patchwork.ozlabs.org/api/1.2/projects/59/?format=json","name":"Linux Test Project development","link_name":"ltp","list_id":"ltp.lists.linux.it","list_email":"ltp@lists.linux.it","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260323110735.55473-1-disgoel@linux.ibm.com>","list_archive_url":null,"date":"2026-03-23T11:07:35","name":"[v2] syscalls/ustat: Skip tests on Btrfs using .skip_filesystems","commit_ref":null,"pull_url":null,"state":"accepted","archived":false,"hash":"b5b7467ff940939c1a1566eb51d97730859bfcc6","submitter":{"id":84875,"url":"http://patchwork.ozlabs.org/api/1.2/people/84875/?format=json","name":"Disha Goel","email":"disgoel@linux.ibm.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/ltp/patch/20260323110735.55473-1-disgoel@linux.ibm.com/mbox/","series":[{"id":497091,"url":"http://patchwork.ozlabs.org/api/1.2/series/497091/?format=json","web_url":"http://patchwork.ozlabs.org/project/ltp/list/?series=497091","date":"2026-03-23T11:07:35","name":"[v2] syscalls/ustat: Skip tests on Btrfs using .skip_filesystems","version":2,"mbox":"http://patchwork.ozlabs.org/series/497091/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2214718/comments/","check":"success","checks":"http://patchwork.ozlabs.org/api/patches/2214718/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":["incoming@patchwork.ozlabs.org","ltp@lists.linux.it"],"Delivered-To":["patchwork-incoming@legolas.ozlabs.org","ltp@picard.linux.it"],"Authentication-Results":["legolas.ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256\n header.s=pp1 header.b=hNMmEUxv;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.linux.it\n (client-ip=213.254.12.146; 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charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Errors-To":"ltp-bounces+incoming=patchwork.ozlabs.org@lists.linux.it","Sender":"\"ltp\" "},"content":"The ustat(2) system call is known to fail with EINVAL on Btrfs because\nit uses anonymous device IDs for subvolumes, which this legacy syscall\ncannot resolve to a physical block device.\n\nCurrently, this results in a TFAIL, which causes false negatives in\nautomated CI environments (e.g., SLES). This patch utilizes the LTP\nlibrary's .skip_filesystems mechanism to gracefully skip the tests\n(TCONF) when executed on Btrfs.\n\nSigned-off-by: Disha Goel \n---\nChangelog v1 -> v2:\n- Removed manual statfs/tst_brk logic in setup().\n- Implemented .skip_filesystems in the tst_test structure for both\n ustat01 and ustat02.\n\nLink to v1:\nhttps://lore.kernel.org/all/20260318082438.50245-1-disgoel@linux.ibm.com/\n---\n testcases/kernel/syscalls/ustat/ustat01.c | 4 ++++\n testcases/kernel/syscalls/ustat/ustat02.c | 4 ++++\n 2 files changed, 8 insertions(+)","diff":"diff --git a/testcases/kernel/syscalls/ustat/ustat01.c b/testcases/kernel/syscalls/ustat/ustat01.c\nindex 161006058..55095191b 100644\n--- a/testcases/kernel/syscalls/ustat/ustat01.c\n+++ b/testcases/kernel/syscalls/ustat/ustat01.c\n@@ -44,6 +44,10 @@ static void setup(void)\n static struct tst_test test = {\n \t.test_all = run,\n \t.setup = setup,\n+\t.skip_filesystems = (const char *const[]) {\n+ \"btrfs\",\n+ NULL\n+ },\n \t.tags = (const struct tst_tag[]) {\n \t\t{\"known-fail\", \"ustat() is known to fail with EINVAL on Btrfs, see \"\n \t\t\t\"https://lore.kernel.org/linux-btrfs/e7e867b8-b57a-7eb2-2432-1627bd3a88fb@toxicpanda.com/\"\ndiff --git a/testcases/kernel/syscalls/ustat/ustat02.c b/testcases/kernel/syscalls/ustat/ustat02.c\nindex 84becaa1f..82dcfb6b4 100644\n--- a/testcases/kernel/syscalls/ustat/ustat02.c\n+++ b/testcases/kernel/syscalls/ustat/ustat02.c\n@@ -61,6 +61,10 @@ static struct tst_test test = {\n \t.test = run,\n \t.setup = setup,\n \t.tcnt = ARRAY_SIZE(tc),\n+\t.skip_filesystems = (const char *const[]) {\n+ \"btrfs\",\n+ NULL\n+ },\n \t.tags = (const struct tst_tag[]) {\n \t\t{\"known-fail\", \"ustat() is known to fail with EINVAL on Btrfs, see \"\n \t\t\t\"https://lore.kernel.org/linux-btrfs/e7e867b8-b57a-7eb2-2432-1627bd3a88fb@toxicpanda.com/\"\n","prefixes":["v2"]}