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Diffstat (limited to 'fs/buffer.c')
-rw-r--r--fs/buffer.c19
1 files changed, 10 insertions, 9 deletions
diff --git a/fs/buffer.c b/fs/buffer.c
index 52d024bfdbc1..48318fb74938 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -200,6 +200,7 @@ __find_get_block_slow(struct block_device *bdev, sector_t block)
struct buffer_head *head;
struct page *page;
int all_mapped = 1;
+ static DEFINE_RATELIMIT_STATE(last_warned, HZ, 1);
index = block >> (PAGE_SHIFT - bd_inode->i_blkbits);
page = find_get_page_flags(bd_mapping, index, FGP_ACCESSED);
@@ -227,15 +228,15 @@ __find_get_block_slow(struct block_device *bdev, sector_t block)
* file io on the block device and getblk. It gets dealt with
* elsewhere, don't buffer_error if we had some unmapped buffers
*/
- if (all_mapped) {
- printk("__find_get_block_slow() failed. "
- "block=%llu, b_blocknr=%llu\n",
- (unsigned long long)block,
- (unsigned long long)bh->b_blocknr);
- printk("b_state=0x%08lx, b_size=%zu\n",
- bh->b_state, bh->b_size);
- printk("device %pg blocksize: %d\n", bdev,
- 1 << bd_inode->i_blkbits);
+ ratelimit_set_flags(&last_warned, RATELIMIT_MSG_ON_RELEASE);
+ if (all_mapped && __ratelimit(&last_warned)) {
+ printk("__find_get_block_slow() failed. block=%llu, "
+ "b_blocknr=%llu, b_state=0x%08lx, b_size=%zu, "
+ "device %pg blocksize: %d\n",
+ (unsigned long long)block,
+ (unsigned long long)bh->b_blocknr,
+ bh->b_state, bh->b_size, bdev,
+ 1 << bd_inode->i_blkbits);
}
out_unlock:
spin_unlock(&bd_mapping->private_lock);