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@xxxxxxxxxx> --- fs/ext4/indirect.c | 6 +++--- fs/ext4/resize.c | 8 ++++---- 2 files changed, 7 insertions(+), 7 deletions(-) diff --git a/fs/ext4/indirect.c b/fs/ext4/indirect.c index 4d7656f4ebc3..ba944d67c1c0 100644 --- a/fs/ext4/indirect.c +++ b/fs/ext4/indirect.c @@ -1012,14 +1012,14 @@ 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; } diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c index 8596bdda304c..5e72849f1df9 100644 --- a/fs/ext4/resize.c +++ b/fs/ext4/resize.c @@ -1806,8 +1806,8 @@ 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; } @@ -1932,8 +1932,8 @@ 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; } -- 2.25.4