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ext4: Use ext4_msg() for ext4_da_writepage() errors 

This allows the user to see what filesystem was involved with a
particular ext4_da_writepage() error.  Also, use KERN_CRIT which is
more appropriate than KERN_EMERG.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Theodore Ts'o 2009-09-26 17:43:59 -04:00
Родитель 8365388827
Коммит 1693918e0b
1 изменённых файлов: 25 добавлений и 25 удалений
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50
fs/ext4/inode.c
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@ -2092,18 +2092,18 @@ static void ext4_da_block_invalidatepages(struct mpage_da_data *mpd,
static void ext4_print_free_blocks(struct inode *inode)
{
struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb);
printk(KERN_EMERG "Total free blocks count %lld\n",
ext4_count_free_blocks(inode->i_sb));
printk(KERN_EMERG "Free/Dirty block details\n");
printk(KERN_EMERG "free_blocks=%lld\n",
(long long)percpu_counter_sum(&sbi->s_freeblocks_counter));
printk(KERN_EMERG "dirty_blocks=%lld\n",
(long long)percpu_counter_sum(&sbi->s_dirtyblocks_counter));
printk(KERN_EMERG "Block reservation details\n");
printk(KERN_EMERG "i_reserved_data_blocks=%u\n",
EXT4_I(inode)->i_reserved_data_blocks);
printk(KERN_EMERG "i_reserved_meta_blocks=%u\n",
EXT4_I(inode)->i_reserved_meta_blocks);
printk(KERN_CRIT "Total free blocks count %lld\n",
ext4_count_free_blocks(inode->i_sb));
printk(KERN_CRIT "Free/Dirty block details\n");
printk(KERN_CRIT "free_blocks=%lld\n",
(long long) percpu_counter_sum(&sbi->s_freeblocks_counter));
printk(KERN_CRIT "dirty_blocks=%lld\n",
(long long) percpu_counter_sum(&sbi->s_dirtyblocks_counter));
printk(KERN_CRIT "Block reservation details\n");
printk(KERN_CRIT "i_reserved_data_blocks=%u\n",
EXT4_I(inode)->i_reserved_data_blocks);
printk(KERN_CRIT "i_reserved_meta_blocks=%u\n",
EXT4_I(inode)->i_reserved_meta_blocks);
return;
}
@ -2189,14 +2189,14 @@ static int mpage_da_map_blocks(struct mpage_da_data *mpd)
* writepage and writepages will again try to write
* the same.
*/
printk(KERN_EMERG "%s block allocation failed for inode %lu "
"at logical offset %llu with max blocks "
"%zd with error %d\n",
__func__, mpd->inode->i_ino,
(unsigned long long)next,
mpd->b_size >> mpd->inode->i_blkbits, err);
printk(KERN_EMERG "This should not happen.!! "
"Data will be lost\n");
ext4_msg(mpd->inode->i_sb, KERN_CRIT,
"delayed block allocation failed for inode %lu at "
"logical offset %llu with max blocks %zd with "
"error %d\n", mpd->inode->i_ino,
(unsigned long long) next,
mpd->b_size >> mpd->inode->i_blkbits, err);
printk(KERN_CRIT "This should not happen!! "
"Data will be lost\n");
if (err == -ENOSPC) {
ext4_print_free_blocks(mpd->inode);
}
@ -2822,10 +2822,9 @@ retry:
handle = ext4_journal_start(inode, needed_blocks);
if (IS_ERR(handle)) {
ret = PTR_ERR(handle);
printk(KERN_CRIT "%s: jbd2_start: "
ext4_msg(inode->i_sb, KERN_CRIT, "%s: jbd2_start: "
"%ld pages, ino %lu; err %d\n", __func__,
wbc->nr_to_write, inode->i_ino, ret);
dump_stack();
goto out_writepages;
}
@ -2897,9 +2896,10 @@ retry:
goto retry;
}
if (pages_skipped != wbc->pages_skipped)
printk(KERN_EMERG "This should not happen leaving %s "
"with nr_to_write = %ld ret = %d\n",
__func__, wbc->nr_to_write, ret);
ext4_msg(inode->i_sb, KERN_CRIT,
"This should not happen leaving %s "
"with nr_to_write = %ld ret = %d\n",
__func__, wbc->nr_to_write, ret);
/* Update index */
index += pages_written;