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ext4: use common helpers in all places reading metadata buffers

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Revome all open codes that read metadata buffers, switch to use
ext4_read_bh_*() common helpers.

Signed-off-by: zhangyi (F) <yi.zhang@huawei.com>
Suggested-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20200924073337.861472-4-yi.zhang@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
zhangyi (F) 2020-09-24 15:33:33 +08:00 • committed by Theodore Ts'o
parent fa491b14cd
commit 2d069c0889
9 changed files with 36 additions and 54 deletions
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6
fs/ext4/ialloc.c
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@ -188,12 +188,8 @@ ext4_read_inode_bitmap(struct super_block *sb, ext4_group_t block_group)
/*
* submit the buffer_head for reading
*/
clear_buffer_verified(bh);
trace_ext4_load_inode_bitmap(sb, block_group);
bh->b_end_io = ext4_end_bitmap_read;
get_bh(bh);
submit_bh(REQ_OP_READ, REQ_META | REQ_PRIO, bh);
wait_on_buffer(bh);
ext4_read_bh(bh, REQ_META | REQ_PRIO, ext4_end_bitmap_read);
ext4_simulate_fail_bh(sb, bh, EXT4_SIM_IBITMAP_EIO);
if (!buffer_uptodate(bh)) {
put_bh(bh);