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authorzhangyi (F) <yi.zhang@huawei.com>2020-09-24 15:33:36 +0800
committerTheodore Ts'o <tytso@mit.edu>2020-10-18 10:37:14 -0400
commit0a846f496db1d3996341e140364aa58563d1ebe1 (patch)
treef49911046fc1b09e4f025bb7300894ee95de5e7d
parent5df1d4123d53261d9d71c7d237d0f165add7ce72 (diff)
ext4: use ext4_sb_bread() instead of sb_bread()
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>
-rw-r--r--fs/ext4/indirect.c6
-rw-r--r--fs/ext4/resize.c8
2 files changed, 7 insertions, 7 deletions
diff --git a/fs/ext4/indirect.c b/fs/ext4/indirect.c
index bb4e999116d0..05efa682bc2f 100644
--- a/fs/ext4/indirect.c
+++ b/fs/ext4/indirect.c
@@ -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;
}
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index 828d8581d1c7..928700d57eb6 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -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;
}