diff options
Diffstat (limited to 'ext4-Support-check-none-nocheck-mount-options.patch')
| -rw-r--r-- | ext4-Support-check-none-nocheck-mount-options.patch | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/ext4-Support-check-none-nocheck-mount-options.patch b/ext4-Support-check-none-nocheck-mount-options.patch new file mode 100644 index 000000000..281e4237a --- /dev/null +++ b/ext4-Support-check-none-nocheck-mount-options.patch @@ -0,0 +1,51 @@ +From ea75f7357e3a881bd1bd0db5e483fc6a8681567b Mon Sep 17 00:00:00 2001 +From: Josh Boyer <jwboyer@redhat.com> +Date: Tue, 10 Jan 2012 09:39:02 -0500 +Subject: [PATCH] ext4: Support "check=none" "nocheck" mount options + +The ext2/ext3 filesystems supported "check=none" and "nocheck" as mount options +even though that was already the default behavior and it essentially did +nothing. When using ext4 to mount ext2/ext3 filesystems, that mount option +causes the mount to fail. That isn't as backward compatible as it could be, +so add support to ext4 to accept the option. + +Signed-off-by: Josh Boyer <jwboyer@redhat.com> +--- + fs/ext4/super.c | 7 ++++++- + 1 files changed, 6 insertions(+), 1 deletions(-) + +diff --git a/fs/ext4/super.c b/fs/ext4/super.c +index 3e1329e..5ff09e7 100644 +--- a/fs/ext4/super.c ++++ b/fs/ext4/super.c +@@ -1333,7 +1333,7 @@ enum { + Opt_nomblk_io_submit, Opt_block_validity, Opt_noblock_validity, + Opt_inode_readahead_blks, Opt_journal_ioprio, + Opt_dioread_nolock, Opt_dioread_lock, +- Opt_discard, Opt_nodiscard, Opt_init_itable, Opt_noinit_itable, ++ Opt_discard, Opt_nodiscard, Opt_init_itable, Opt_noinit_itable, Opt_nocheck, + }; + + static const match_table_t tokens = { +@@ -1409,6 +1409,8 @@ static const match_table_t tokens = { + {Opt_init_itable, "init_itable=%u"}, + {Opt_init_itable, "init_itable"}, + {Opt_noinit_itable, "noinit_itable"}, ++ {Opt_nocheck, "check=none"}, ++ {Opt_nocheck, "nocheck"}, + {Opt_err, NULL}, + }; + +@@ -1905,6 +1907,9 @@ set_qf_format: + case Opt_noinit_itable: + clear_opt(sb, INIT_INODE_TABLE); + break; ++ case Opt_nocheck: ++ /* ext2/ext3 used to "support" this option. Silently eat it */ ++ break; + default: + ext4_msg(sb, KERN_ERR, + "Unrecognized mount option \"%s\" " +-- +1.7.7.5 + |