5 files changed, 28 insertions, 0 deletions

diff --git a/Documentation/filesystems/ext4.txt b/Documentation/filesystems/ext4.txt
index 74484e696405..eb154ef36c2a 100644
--- a/Documentation/filesystems/ext4.txt
+++ b/Documentation/filesystems/ext4.txt
@@ -223,6 +223,11 @@ errors=remount-ro(*)	Remount the filesystem read-only on an error.
 errors=continue         Keep going on a filesystem error.
 errors=panic            Panic and halt the machine if an error occurs.
 
+data_err=ignore(*)      Just print an error message if an error occurs
+                        in a file data buffer in ordered mode.
+data_err=abort          Abort the journal if an error occurs in a file
+                        data buffer in ordered mode.
+
 grpid                   Give objects the same group ID as their creator.
 bsdgroups
 
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index f46a513a5157..6690a41cdd9f 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -540,6 +540,8 @@ do {									       \
 #define EXT4_MOUNT_JOURNAL_ASYNC_COMMIT 0x1000000 /* Journal Async Commit */
 #define EXT4_MOUNT_I_VERSION            0x2000000 /* i_version support */
 #define EXT4_MOUNT_DELALLOC             0x8000000 /* Delalloc support */
+#define EXT4_MOUNT_DATA_ERR_ABORT       0x10000000 /* Abort on file data write */
+
 /* Compatibility, for having both ext2_fs.h and ext4_fs.h included at once */
 #ifndef _LINUX_EXT2_FS_H
 #define clear_opt(o, opt)               o &= ~EXT4_MOUNT_##opt
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 79bd3989e84f..014677b8e224 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -778,6 +778,9 @@ static int ext4_show_options(struct seq_file *seq, struct vfsmount *vfs)
                 seq_printf(seq, ",inode_readahead_blks=%u",
                            sbi->s_inode_readahead_blks);
 
+        if (test_opt(sb, DATA_ERR_ABORT))
+                seq_puts(seq, ",data_err=abort");
+
         ext4_show_quota_options(seq, sb);
         return 0;
 }
@@ -907,6 +910,7 @@ enum {
         Opt_commit, Opt_journal_update, Opt_journal_inum, Opt_journal_dev,
         Opt_journal_checksum, Opt_journal_async_commit,
         Opt_abort, Opt_data_journal, Opt_data_ordered, Opt_data_writeback,
+        Opt_data_err_abort, Opt_data_err_ignore,
         Opt_usrjquota, Opt_grpjquota, Opt_offusrjquota, Opt_offgrpjquota,
         Opt_jqfmt_vfsold, Opt_jqfmt_vfsv0, Opt_quota, Opt_noquota,
         Opt_ignore, Opt_barrier, Opt_err, Opt_resize, Opt_usrquota,
@@ -953,6 +957,8 @@ static match_table_t tokens = {
         {Opt_data_journal, "data=journal"},
         {Opt_data_ordered, "data=ordered"},
         {Opt_data_writeback, "data=writeback"},
+        {Opt_data_err_abort, "data_err=abort"},
+        {Opt_data_err_ignore, "data_err=ignore"},
         {Opt_offusrjquota, "usrjquota="},
         {Opt_usrjquota, "usrjquota=%s"},
         {Opt_offgrpjquota, "grpjquota="},
@@ -1187,6 +1193,12 @@ static int parse_options(char *options, struct super_block *sb,
                                 sbi->s_mount_opt |= data_opt;
                         }
                         break;
+                case Opt_data_err_abort:
+                        set_opt(sbi->s_mount_opt, DATA_ERR_ABORT);
+                        break;
+                case Opt_data_err_ignore:
+                        clear_opt(sbi->s_mount_opt, DATA_ERR_ABORT);
+                        break;
 #ifdef CONFIG_QUOTA
                 case Opt_usrjquota:
                         qtype = USRQUOTA;
@@ -2535,6 +2547,10 @@ static void ext4_init_journal_params(struct super_block *sb, journal_t *journal)
                 journal->j_flags |= JBD2_BARRIER;
         else
                 journal->j_flags &= ~JBD2_BARRIER;
+        if (test_opt(sb, DATA_ERR_ABORT))
+                journal->j_flags |= JBD2_ABORT_ON_SYNCDATA_ERR;
+        else
+                journal->j_flags &= ~JBD2_ABORT_ON_SYNCDATA_ERR;
         spin_unlock(&journal->j_state_lock);
 }
 
diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c
index 849f10496cea..0abe02c4242a 100644
--- a/fs/jbd2/commit.c
+++ b/fs/jbd2/commit.c
@@ -684,6 +684,8 @@ start_journal_io:
                 printk(KERN_WARNING
                         "JBD2: Detected IO errors while flushing file data "
                        "on %s\n", journal->j_devname);
+                if (journal->j_flags & JBD2_ABORT_ON_SYNCDATA_ERR)
+                        jbd2_journal_abort(journal, err);
                 err = 0;
         }
 
diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
index c9e7d781db31..d2e91ea998fd 100644
--- a/include/linux/jbd2.h
+++ b/include/linux/jbd2.h
@@ -967,6 +967,9 @@ struct journal_s
 #define JBD2_FLUSHED    0x008   /* The journal superblock has been flushed */
 #define JBD2_LOADED     0x010   /* The journal superblock has been loaded */
 #define JBD2_BARRIER    0x020   /* Use IDE barriers */
+#define JBD2_ABORT_ON_SYNCDATA_ERR      0x040   /* Abort the journal on file
+                                                 * data write error in ordered
+                                                 * mode */
 
 /*
  * Function declarations for the journaling transaction and buffer