Linux EXT4 FS development
 help / color / mirror / Atom feed
* [PATCH] ext4: reduce arguments of ext4_fc_add_dentry_tlv
@ 2021-07-27  8:07 Guoqing Jiang
  2021-07-27 17:36 ` harshad shirwadkar
  2021-08-13 14:56 ` Theodore Ts'o
  0 siblings, 2 replies; 4+ messages in thread
From: Guoqing Jiang @ 2021-07-27  8:07 UTC (permalink / raw)
  To: tytso, adilger.kernel; +Cc: linux-ext4

From: Guoqing Jiang <jiangguoqing@kylinos.cn>

Let's pass fc_dentry directly since those arguments (tag, parent_ino and
ino etc) can be deferenced from it.

Signed-off-by: Guoqing Jiang <jiangguoqing@kylinos.cn>
---
 fs/ext4/fast_commit.c | 27 +++++++++------------------
 1 file changed, 9 insertions(+), 18 deletions(-)

diff --git a/fs/ext4/fast_commit.c b/fs/ext4/fast_commit.c
index 5106c9fe2e19..797105adcabf 100644
--- a/fs/ext4/fast_commit.c
+++ b/fs/ext4/fast_commit.c
@@ -775,28 +775,27 @@ static bool ext4_fc_add_tlv(struct super_block *sb, u16 tag, u16 len, u8 *val,
 }
 
 /* Same as above, but adds dentry tlv. */
-static  bool ext4_fc_add_dentry_tlv(struct super_block *sb, u16 tag,
-					int parent_ino, int ino, int dlen,
-					const unsigned char *dname,
-					u32 *crc)
+static bool ext4_fc_add_dentry_tlv(struct super_block *sb, u32 *crc,
+				   struct ext4_fc_dentry_update *fc_dentry)
 {
 	struct ext4_fc_dentry_info fcd;
 	struct ext4_fc_tl tl;
+	int dlen = fc_dentry->fcd_name.len;
 	u8 *dst = ext4_fc_reserve_space(sb, sizeof(tl) + sizeof(fcd) + dlen,
 					crc);
 
 	if (!dst)
 		return false;
 
-	fcd.fc_parent_ino = cpu_to_le32(parent_ino);
-	fcd.fc_ino = cpu_to_le32(ino);
-	tl.fc_tag = cpu_to_le16(tag);
+	fcd.fc_parent_ino = cpu_to_le32(fc_dentry->fcd_parent);
+	fcd.fc_ino = cpu_to_le32(fc_dentry->fcd_ino);
+	tl.fc_tag = cpu_to_le16(fc_dentry->fcd_op);
 	tl.fc_len = cpu_to_le16(sizeof(fcd) + dlen);
 	ext4_fc_memcpy(sb, dst, &tl, sizeof(tl), crc);
 	dst += sizeof(tl);
 	ext4_fc_memcpy(sb, dst, &fcd, sizeof(fcd), crc);
 	dst += sizeof(fcd);
-	ext4_fc_memcpy(sb, dst, dname, dlen, crc);
+	ext4_fc_memcpy(sb, dst, fc_dentry->fcd_name.name, dlen, crc);
 	dst += dlen;
 
 	return true;
@@ -991,11 +990,7 @@ __acquires(&sbi->s_fc_lock)
 				 &sbi->s_fc_dentry_q[FC_Q_MAIN], fcd_list) {
 		if (fc_dentry->fcd_op != EXT4_FC_TAG_CREAT) {
 			spin_unlock(&sbi->s_fc_lock);
-			if (!ext4_fc_add_dentry_tlv(
-				sb, fc_dentry->fcd_op,
-				fc_dentry->fcd_parent, fc_dentry->fcd_ino,
-				fc_dentry->fcd_name.len,
-				fc_dentry->fcd_name.name, crc)) {
+			if (!ext4_fc_add_dentry_tlv(sb, crc, fc_dentry)) {
 				ret = -ENOSPC;
 				goto lock_and_exit;
 			}
@@ -1034,11 +1029,7 @@ __acquires(&sbi->s_fc_lock)
 		if (ret)
 			goto lock_and_exit;
 
-		if (!ext4_fc_add_dentry_tlv(
-			sb, fc_dentry->fcd_op,
-			fc_dentry->fcd_parent, fc_dentry->fcd_ino,
-			fc_dentry->fcd_name.len,
-			fc_dentry->fcd_name.name, crc)) {
+		if (!ext4_fc_add_dentry_tlv(sb, crc, fc_dentry)) {
 			ret = -ENOSPC;
 			goto lock_and_exit;
 		}
-- 
2.25.1


^ permalink raw reply related	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2021-08-13 14:57 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2021-07-27  8:07 [PATCH] ext4: reduce arguments of ext4_fc_add_dentry_tlv Guoqing Jiang
2021-07-27 17:36 ` harshad shirwadkar
2021-07-29  9:35   ` Guoqing Jiang
2021-08-13 14:56 ` Theodore Ts'o

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox