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-rw-r--r--fs/ext4/inode.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 123e3dee7733..516faa280ced 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -4551,6 +4551,7 @@ static int __ext4_get_inode_loc(struct inode *inode,
struct buffer_head *bh;
struct super_block *sb = inode->i_sb;
ext4_fsblk_t block;
+ struct blk_plug plug;
int inodes_per_block, inode_offset;
iloc->bh = NULL;
@@ -4639,6 +4640,7 @@ make_io:
* If we need to do any I/O, try to pre-readahead extra
* blocks from the inode table.
*/
+ blk_start_plug(&plug);
if (EXT4_SB(sb)->s_inode_readahead_blks) {
ext4_fsblk_t b, end, table;
unsigned num;
@@ -4669,6 +4671,7 @@ make_io:
get_bh(bh);
bh->b_end_io = end_buffer_read_sync;
submit_bh(REQ_OP_READ, REQ_META | REQ_PRIO, bh);
+ blk_finish_plug(&plug);
wait_on_buffer(bh);
if (!buffer_uptodate(bh)) {
EXT4_ERROR_INODE_BLOCK(inode, block,