ext4: Report max_batch_time option correctly

[pandora-kernel.git] / fs / ext4 / super.c

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 3e1329e..a93486e 100644 (file)
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -480,6 +480,7 @@ void __ext4_error(struct super_block *sb, const char *function,
        printk(KERN_CRIT "EXT4-fs error (device %s): %s:%d: comm %s: %pV\n",
               sb->s_id, function, line, current->comm, &vaf);
        va_end(args);
+       save_error_info(sb, function, line);
 
        ext4_handle_error(sb);
 }
@@ -1096,7 +1097,7 @@ static int ext4_show_options(struct seq_file *seq, struct vfsmount *vfs)
        }
        if (sbi->s_max_batch_time != EXT4_DEF_MAX_BATCH_TIME) {
                seq_printf(seq, ",max_batch_time=%u",
-                          (unsigned) sbi->s_min_batch_time);
+                          (unsigned) sbi->s_max_batch_time);
        }
 
        /*
@@ -2006,17 +2007,16 @@ static int ext4_fill_flex_info(struct super_block *sb)
        struct ext4_group_desc *gdp = NULL;
        ext4_group_t flex_group_count;
        ext4_group_t flex_group;
-       int groups_per_flex = 0;
+       unsigned int groups_per_flex = 0;
        size_t size;
        int i;
 
        sbi->s_log_groups_per_flex = sbi->s_es->s_log_groups_per_flex;
-       groups_per_flex = 1 << sbi->s_log_groups_per_flex;
-
-       if (groups_per_flex < 2) {
+       if (sbi->s_log_groups_per_flex < 1 || sbi->s_log_groups_per_flex > 31) {
                sbi->s_log_groups_per_flex = 0;
                return 1;
        }
+       groups_per_flex = 1 << sbi->s_log_groups_per_flex;
 
        /* We allocate both existing and potentially added groups */
        flex_group_count = ((sbi->s_groups_count + groups_per_flex - 1) +
@@ -2505,18 +2505,6 @@ static ssize_t lifetime_write_kbytes_show(struct ext4_attr *a,
                          EXT4_SB(sb)->s_sectors_written_start) >> 1)));
 }
 
-static ssize_t extent_cache_hits_show(struct ext4_attr *a,
-                                     struct ext4_sb_info *sbi, char *buf)
-{
-       return snprintf(buf, PAGE_SIZE, "%lu\n", sbi->extent_cache_hits);
-}
-
-static ssize_t extent_cache_misses_show(struct ext4_attr *a,
-                                       struct ext4_sb_info *sbi, char *buf)
-{
-       return snprintf(buf, PAGE_SIZE, "%lu\n", sbi->extent_cache_misses);
-}
-
 static ssize_t inode_readahead_blks_store(struct ext4_attr *a,
                                          struct ext4_sb_info *sbi,
                                          const char *buf, size_t count)
@@ -2574,8 +2562,6 @@ static struct ext4_attr ext4_attr_##name = __ATTR(name, mode, show, store)
 EXT4_RO_ATTR(delayed_allocation_blocks);
 EXT4_RO_ATTR(session_write_kbytes);
 EXT4_RO_ATTR(lifetime_write_kbytes);
-EXT4_RO_ATTR(extent_cache_hits);
-EXT4_RO_ATTR(extent_cache_misses);
 EXT4_ATTR_OFFSET(inode_readahead_blks, 0644, sbi_ui_show,
                 inode_readahead_blks_store, s_inode_readahead_blks);
 EXT4_RW_ATTR_SBI_UI(inode_goal, s_inode_goal);
@@ -2591,8 +2577,6 @@ static struct attribute *ext4_attrs[] = {
        ATTR_LIST(delayed_allocation_blocks),
        ATTR_LIST(session_write_kbytes),
        ATTR_LIST(lifetime_write_kbytes),
-       ATTR_LIST(extent_cache_hits),
-       ATTR_LIST(extent_cache_misses),
        ATTR_LIST(inode_readahead_blks),
        ATTR_LIST(inode_goal),
        ATTR_LIST(mb_stats),
@@ -3744,7 +3728,8 @@ no_journal:
                goto failed_mount4;
        }
 
-       ext4_setup_super(sb, es, sb->s_flags & MS_RDONLY);
+       if (ext4_setup_super(sb, es, sb->s_flags & MS_RDONLY))
+               sb->s_flags |= MS_RDONLY;
 
        /* determine the minimum size of new large inodes, if present */
        if (sbi->s_inode_size > EXT4_GOOD_OLD_INODE_SIZE) {