diff options
Diffstat (limited to 'target/linux/generic/patches-3.18/552-ubifs-respect-silent-mount-flag.patch')
| -rw-r--r-- | target/linux/generic/patches-3.18/552-ubifs-respect-silent-mount-flag.patch | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/target/linux/generic/patches-3.18/552-ubifs-respect-silent-mount-flag.patch b/target/linux/generic/patches-3.18/552-ubifs-respect-silent-mount-flag.patch deleted file mode 100644 index 2e43d251dc..0000000000 --- a/target/linux/generic/patches-3.18/552-ubifs-respect-silent-mount-flag.patch +++ /dev/null @@ -1,122 +0,0 @@ -From 90bea5a3f0bf680b87b90516f3c231997f4b8f3b Mon Sep 17 00:00:00 2001 -From: Daniel Golle <daniel@makrotopia.org> -Date: Mon, 2 Jun 2014 15:51:10 +0200 -X-Git-Url: http://git.infradead.org/linux-ubifs.git/commitdiff_plain/90bea5a3f0bf680b87b90516f3c231997f4b8f3b -X-Git-Url: https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/?id=90bea5a3f0bf680b87b90516f3c231997f4b8f3b -Subject: UBIFS: respect MS_SILENT mount flag - -When attempting to mount a non-ubifs formatted volume, lots of error -messages (including a stack dump) are thrown to the kernel log even if -the MS_SILENT mount flag is set. -Fix this by introducing adding an additional state-variable in -struct ubifs_info and suppress error messages in ubifs_read_node if -MS_SILENT is set. - -Signed-off-by: Daniel Golle <daniel@makrotopia.org> -Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> ---- - fs/ubifs/io.c | 18 ++++++++++-------- - fs/ubifs/super.c | 5 +++++ - fs/ubifs/ubifs.h | 11 +++++++++++ - 3 files changed, 26 insertions(+), 8 deletions(-) - ---- - ---- a/fs/ubifs/io.c -+++ b/fs/ubifs/io.c -@@ -988,30 +988,32 @@ int ubifs_read_node(const struct ubifs_i - return err; - - if (type != ch->node_type) { -- ubifs_err("bad node type (%d but expected %d)", -- ch->node_type, type); -+ ubifs_errc(c, "bad node type (%d but expected %d)", -+ ch->node_type, type); - goto out; - } - - err = ubifs_check_node(c, buf, lnum, offs, 0, 0); - if (err) { -- ubifs_err("expected node type %d", type); -+ ubifs_errc(c, "expected node type %d", type); - return err; - } - - l = le32_to_cpu(ch->len); - if (l != len) { -- ubifs_err("bad node length %d, expected %d", l, len); -+ ubifs_errc(c, "bad node length %d, expected %d", l, len); - goto out; - } - - return 0; - - out: -- ubifs_err("bad node at LEB %d:%d, LEB mapping status %d", lnum, offs, -- ubi_is_mapped(c->ubi, lnum)); -- ubifs_dump_node(c, buf); -- dump_stack(); -+ ubifs_errc(c, "bad node at LEB %d:%d, LEB mapping status %d", lnum, -+ offs, ubi_is_mapped(c->ubi, lnum)); -+ if (!c->probing) { -+ ubifs_dump_node(c, buf); -+ dump_stack(); -+ } - return -EINVAL; - } - ---- a/fs/ubifs/super.c -+++ b/fs/ubifs/super.c -@@ -1149,6 +1149,9 @@ static int mount_ubifs(struct ubifs_info - size_t sz; - - c->ro_mount = !!(c->vfs_sb->s_flags & MS_RDONLY); -+ /* Suppress error messages while probing if MS_SILENT is set */ -+ c->probing = !!(c->vfs_sb->s_flags & MS_SILENT); -+ - err = init_constants_early(c); - if (err) - return err; -@@ -1214,6 +1217,8 @@ static int mount_ubifs(struct ubifs_info - if (err) - goto out_free; - -+ c->probing = 0; -+ - /* - * Make sure the compressor which is set as default in the superblock - * or overridden by mount options is actually compiled in. ---- a/fs/ubifs/ubifs.h -+++ b/fs/ubifs/ubifs.h -@@ -51,6 +51,15 @@ - #define ubifs_warn(fmt, ...) \ - pr_warn("UBIFS warning (pid %d): %s: " fmt "\n", \ - current->pid, __func__, ##__VA_ARGS__) -+/* -+ * A variant of 'ubifs_err()' which takes the UBIFS file-sytem description -+ * object as an argument. -+ */ -+#define ubifs_errc(c, fmt, ...) \ -+ do { \ -+ if (!(c)->probing) \ -+ ubifs_err(fmt, ##__VA_ARGS__); \ -+ } while (0) - - /* UBIFS file system VFS magic number */ - #define UBIFS_SUPER_MAGIC 0x24051905 -@@ -1209,6 +1218,7 @@ struct ubifs_debug_info; - * @need_recovery: %1 if the file-system needs recovery - * @replaying: %1 during journal replay - * @mounting: %1 while mounting -+ * @probing: %1 while attempting to mount if MS_SILENT mount flag is set - * @remounting_rw: %1 while re-mounting from R/O mode to R/W mode - * @replay_list: temporary list used during journal replay - * @replay_buds: list of buds to replay -@@ -1441,6 +1451,7 @@ struct ubifs_info { - unsigned int replaying:1; - unsigned int mounting:1; - unsigned int remounting_rw:1; -+ unsigned int probing:1; - struct list_head replay_list; - struct list_head replay_buds; - unsigned long long cs_sqnum; |