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ext4: use ext4_sb_bread() instead of sb_bread()

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We have already remove open codes that invoke helpers provide by
fs/buffer.c in all places reading metadata buffers. This patch switch to
use ext4_sb_bread() to replace all sb_bread() helpers, which is
ext4_read_bh() helper back end.

Signed-off-by: zhangyi (F) <yi.zhang@huawei.com>
Link: https://lore.kernel.org/r/20200924073337.861472-7-yi.zhang@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
zhangyi (F) 2020-09-24 15:33:36 +08:00 committed by Theodore Ts'o
parent 5df1d4123d
commit 0a846f496d
2 changed files with 7 additions and 7 deletions
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6
fs/ext4/indirect.c
View file

@ -1013,14 +1013,14 @@ static void ext4_free_branches(handle_t *handle, struct inode *inode,
}
/* Go read the buffer for the next level down */
bh = sb_bread(inode->i_sb, nr);
bh = ext4_sb_bread(inode->i_sb, nr, 0);
/*
* A read failure? Report error and clear slot
* (should be rare).
*/
if (!bh) {
ext4_error_inode_block(inode, nr, EIO,
if (IS_ERR(bh)) {
ext4_error_inode_block(inode, nr, -PTR_ERR(bh),
"Read failure");
continue;
}

8
fs/ext4/resize.c
View file

@ -1808,8 +1808,8 @@ int ext4_group_extend(struct super_block *sb, struct ext4_super_block *es,
o_blocks_count + add, add);
/* See if the device is actually as big as what was requested */
bh = sb_bread(sb, o_blocks_count + add - 1);
if (!bh) {
bh = ext4_sb_bread(sb, o_blocks_count + add - 1, 0);
if (IS_ERR(bh)) {
ext4_warning(sb, "can't read last block, resize aborted");
return -ENOSPC;
}
@ -1934,8 +1934,8 @@ int ext4_resize_fs(struct super_block *sb, ext4_fsblk_t n_blocks_count)
int meta_bg;
/* See if the device is actually as big as what was requested */
bh = sb_bread(sb, n_blocks_count - 1);
if (!bh) {
bh = ext4_sb_bread(sb, n_blocks_count - 1, 0);
if (IS_ERR(bh)) {
ext4_warning(sb, "can't read last block, resize aborted");
return -ENOSPC;
}