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ext4: move inode eio simulation behind io completeion

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No EIO simulation is required if the buffer is uptodate, so move the
simulation behind read bio completeion just like inode/block bitmap
simulation does.

Signed-off-by: Zhang Yi <yi.zhang@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20210826130412.3921207-2-yi.zhang@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Zhang Yi 2021-08-26 21:04:07 +08:00 committed by Theodore Ts'o
parent 4a79a98c7b
commit 0904c9ae34
1 changed files with 1 additions and 3 deletions
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4
fs/ext4/inode.c
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@ -4337,8 +4337,6 @@ static int __ext4_get_inode_loc(struct super_block *sb, unsigned long ino,
bh = sb_getblk(sb, block);
if (unlikely(!bh))
return -ENOMEM;
if (ext4_simulate_fail(sb, EXT4_SIM_INODE_EIO))
goto simulate_eio;
if (!buffer_uptodate(bh)) {
lock_buffer(bh);
@ -4425,8 +4423,8 @@ make_io:
ext4_read_bh_nowait(bh, REQ_META | REQ_PRIO, NULL);
blk_finish_plug(&plug);
wait_on_buffer(bh);
ext4_simulate_fail_bh(sb, bh, EXT4_SIM_INODE_EIO);
if (!buffer_uptodate(bh)) {
simulate_eio:
if (ret_block)
*ret_block = block;
brelse(bh);