From 022698c6c9c77ee7e9dd15679d85cdcf1a5dc75d Mon Sep 17 00:00:00 2001 From: Daniel Golle Date: Tue, 19 Jul 2016 00:30:27 +0200 Subject: [PATCH] kernel: backport cosmetic UBIFS patches to kernel 4.1 Signed-off-by: Daniel Golle --- ...nce-error-output-if-MS_SILENT-is-set.patch | 37 +++++++++++ ...ce-another-error-if-MS_SILENT-is-set.patch | 65 +++++++++++++++++++ 2 files changed, 102 insertions(+) create mode 100644 target/linux/generic/patches-4.1/046-ubifs-silence-error-output-if-MS_SILENT-is-set.patch create mode 100644 target/linux/generic/patches-4.1/047-ubifs-silence-another-error-if-MS_SILENT-is-set.patch diff --git a/target/linux/generic/patches-4.1/046-ubifs-silence-error-output-if-MS_SILENT-is-set.patch b/target/linux/generic/patches-4.1/046-ubifs-silence-error-output-if-MS_SILENT-is-set.patch new file mode 100644 index 0000000000..ee679fa755 --- /dev/null +++ b/target/linux/generic/patches-4.1/046-ubifs-silence-error-output-if-MS_SILENT-is-set.patch @@ -0,0 +1,37 @@ +From 6da56ec248e48c9c78721f51528c178adec3b35b Mon Sep 17 00:00:00 2001 +In-Reply-To: <5765615E.5010409@nod.at> +References: <5765615E.5010409@nod.at> +From: Daniel Golle +Date: Sat, 18 Jun 2016 11:42:52 +0200 +Subject: [PATCH] ubifs: silence error output if MS_SILENT is set +X-Patchwork-Id: 637491 +X-Patchwork-Delegate: richard.weinberger@gmail.com +To: linux-mtd@lists.infradead.org +Cc: Artem Bityutskiy , + Richard Weinberger + +This change completes +commit 90bea5a3f0bf680b87b90516f3c231997f4b8f3b +which already implements support for MS_SILENT except for that one +error message which is still being displayed despite MS_SILENT being +set. Suppress that error message as well in case MS_SILENT is set. + +Signed-off-by: Daniel Golle +--- + fs/ubifs/super.c | 5 +++-- + 1 file changed, 3 insertions(+), 2 deletions(-) + +--- a/fs/ubifs/super.c ++++ b/fs/ubifs/super.c +@@ -2107,8 +2107,9 @@ static struct dentry *ubifs_mount(struct + */ + ubi = open_ubi(name, UBI_READONLY); + if (IS_ERR(ubi)) { +- pr_err("UBIFS error (pid: %d): cannot open \"%s\", error %d", +- current->pid, name, (int)PTR_ERR(ubi)); ++ if (!(flags & MS_SILENT)) ++ pr_err("UBIFS error (pid: %d): cannot open \"%s\", error %d", ++ current->pid, name, (int)PTR_ERR(ubi)); + return ERR_CAST(ubi); + } + diff --git a/target/linux/generic/patches-4.1/047-ubifs-silence-another-error-if-MS_SILENT-is-set.patch b/target/linux/generic/patches-4.1/047-ubifs-silence-another-error-if-MS_SILENT-is-set.patch new file mode 100644 index 0000000000..290a7d69c6 --- /dev/null +++ b/target/linux/generic/patches-4.1/047-ubifs-silence-another-error-if-MS_SILENT-is-set.patch @@ -0,0 +1,65 @@ +From de2bc135f26a784ea8a83ee8b3458aa599f91ec0 Mon Sep 17 00:00:00 2001 +From: Daniel Golle +Date: Mon, 18 Jul 2016 23:26:17 +0200 +Subject: [PATCH] ubifs: silence another error if MS_SILENT is set +To: linux-mtd@lists.infradead.org +Cc: Artem Bityutskiy , + Richard Weinberger + +Probe-mounting a volume too small for UBIFS results in kernel log +polution which might irritate users. +Address this by silencing errors which may happen during boot if the +rootfs is e.g. squashfs (and thus rather small) stored on a UBI volume. +This commit should be seen in context with +commit 65fb47721925628bf85ec08c4302ac5e7224a66a +and +commit 90bea5a3f0bf680b87b90516f3c231997f4b8f3b + +Signed-off-by: Daniel Golle +--- + fs/ubifs/super.c | 14 +++++++------- + 1 file changed, 7 insertions(+), 7 deletions(-) + +diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c +index 736dd58..4ec0510 100644 +--- a/fs/ubifs/super.c ++++ b/fs/ubifs/super.c +@@ -520,19 +520,19 @@ static int init_constants_early(struct ubifs_info *c) + c->max_write_shift = fls(c->max_write_size) - 1; + + if (c->leb_size < UBIFS_MIN_LEB_SZ) { +- ubifs_err(c, "too small LEBs (%d bytes), min. is %d bytes", +- c->leb_size, UBIFS_MIN_LEB_SZ); ++ ubifs_errc(c, "too small LEBs (%d bytes), min. is %d bytes", ++ c->leb_size, UBIFS_MIN_LEB_SZ); + return -EINVAL; + } + + if (c->leb_cnt < UBIFS_MIN_LEB_CNT) { +- ubifs_err(c, "too few LEBs (%d), min. is %d", +- c->leb_cnt, UBIFS_MIN_LEB_CNT); ++ ubifs_errc(c, "too few LEBs (%d), min. is %d", ++ c->leb_cnt, UBIFS_MIN_LEB_CNT); + return -EINVAL; + } + + if (!is_power_of_2(c->min_io_size)) { +- ubifs_err(c, "bad min. I/O size %d", c->min_io_size); ++ ubifs_errc(c, "bad min. I/O size %d", c->min_io_size); + return -EINVAL; + } + +@@ -543,8 +543,8 @@ static int init_constants_early(struct ubifs_info *c) + if (c->max_write_size < c->min_io_size || + c->max_write_size % c->min_io_size || + !is_power_of_2(c->max_write_size)) { +- ubifs_err(c, "bad write buffer size %d for %d min. I/O unit", +- c->max_write_size, c->min_io_size); ++ ubifs_errc(c, "bad write buffer size %d for %d min. I/O unit", ++ c->max_write_size, c->min_io_size); + return -EINVAL; + } + +-- +2.9.0 +