[PATCH 07/10] ext2: Unindent codeblock in ext2_xattr_set()

Jan Kara
2022-06-14T16:06:19Z

Replace one else in ext2_xattr_set() with a goto. This makes following
code changes simpler to follow. No functional changes.

Signed-off-by: Jan Kara <jack@suse.cz>
---
fs/ext2/xattr.c | 32 ++++++++++++++++----------------
1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/fs/ext2/xattr.c b/fs/ext2/xattr.c
index 9885294993ef..37ce495eb279 100644
--- a/fs/ext2/xattr.c
+++ b/fs/ext2/xattr.c
@@ -517,7 +517,8 @@ ext2_xattr_set(struct inode *inode, int name_index, const char *name,
/* Here we know that we can set the new attribute. */

if (header) {
- /* assert(header == HDR(bh)); */
+ int offset;
+
lock_buffer(bh);
if (header->h_refcount == cpu_to_le32(1)) {
__u32 hash = le32_to_cpu(header->h_hash);
@@ -531,22 +532,20 @@ ext2_xattr_set(struct inode *inode, int name_index, const char *name,
bh->b_blocknr);

/* keep the buffer locked while modifying it. */
- } else {
- int offset;
-
- unlock_buffer(bh);
- ea_bdebug(bh, "cloning");
- header = kmemdup(HDR(bh), bh->b_size, GFP_KERNEL);
- error = -ENOMEM;
- if (header == NULL)
- goto cleanup;
- header->h_refcount = cpu_to_le32(1);
-
- offset = (char *)here - bh->b_data;
- here = ENTRY((char *)header + offset);
- offset = (char *)last - bh->b_data;
- last = ENTRY((char *)header + offset);
+ goto update_block;
}
+ unlock_buffer(bh);
+ ea_bdebug(bh, "cloning");
+ header = kmemdup(HDR(bh), bh->b_size, GFP_KERNEL);
+ error = -ENOMEM;
+ if (header == NULL)
+ goto cleanup;
+ header->h_refcount = cpu_to_le32(1);
+
+ offset = (char *)here - bh->b_data;
+ here = ENTRY((char *)header + offset);
+ offset = (char *)last - bh->b_data;
+ last = ENTRY((char *)header + offset);
} else {
/* Allocate a buffer where we construct the new block. */
header = kzalloc(sb->s_blocksize, GFP_KERNEL);
@@ -559,6 +558,7 @@ ext2_xattr_set(struct inode *inode, int name_index, const char *name,
last = here = ENTRY(header+1);
}

+update_block:
/* Iff we are modifying the block in-place, bh is locked here. */

if (not_found) {
--
2.35.3