[PATCH 5.15 12/20] udf: Convert udf_unlink() to new directory iteration code

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From: Jan Kara <jack@xxxxxxx>

[ Upstream commit 6ec01a8020b54e278fecd1efe8603f8eb38fed84 ]

Convert udf_unlink() to new directory iteration code.

Signed-off-by: Jan Kara <jack@xxxxxxx>
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@xxxxxxxxxx>
---
 fs/udf/namei.c | 33 ++++++++++-----------------------
 1 file changed, 10 insertions(+), 23 deletions(-)

diff --git a/fs/udf/namei.c b/fs/udf/namei.c
index 432e325f955a..0ed0e4a0b186 100644
--- a/fs/udf/namei.c
+++ b/fs/udf/namei.c
@@ -933,24 +933,17 @@ static int udf_rmdir(struct inode *dir, struct dentry *dentry)
 
 static int udf_unlink(struct inode *dir, struct dentry *dentry)
 {
-	int retval;
+	int ret;
 	struct inode *inode = d_inode(dentry);
-	struct udf_fileident_bh fibh;
-	struct fileIdentDesc *fi;
-	struct fileIdentDesc cfi;
+	struct udf_fileident_iter iter;
 	struct kernel_lb_addr tloc;
 
-	retval = -ENOENT;
-	fi = udf_find_entry(dir, &dentry->d_name, &fibh, &cfi);
-
-	if (IS_ERR_OR_NULL(fi)) {
-		if (fi)
-			retval = PTR_ERR(fi);
+	ret = udf_fiiter_find_entry(dir, &dentry->d_name, &iter);
+	if (ret)
 		goto out;
-	}
 
-	retval = -EIO;
-	tloc = lelb_to_cpu(cfi.icb.extLocation);
+	ret = -EFSCORRUPTED;
+	tloc = lelb_to_cpu(iter.fi.icb.extLocation);
 	if (udf_get_lb_pblock(dir->i_sb, &tloc, 0) != inode->i_ino)
 		goto end_unlink;
 
@@ -959,22 +952,16 @@ static int udf_unlink(struct inode *dir, struct dentry *dentry)
 			  inode->i_ino, inode->i_nlink);
 		set_nlink(inode, 1);
 	}
-	retval = udf_delete_entry(dir, fi, &fibh, &cfi);
-	if (retval)
-		goto end_unlink;
+	udf_fiiter_delete_entry(&iter);
 	dir->i_ctime = dir->i_mtime = current_time(dir);
 	mark_inode_dirty(dir);
 	inode_dec_link_count(inode);
 	inode->i_ctime = dir->i_ctime;
-	retval = 0;
-
+	ret = 0;
 end_unlink:
-	if (fibh.sbh != fibh.ebh)
-		brelse(fibh.ebh);
-	brelse(fibh.sbh);
-
+	udf_fiiter_release(&iter);
 out:
-	return retval;
+	return ret;
 }
 
 static int udf_symlink(struct user_namespace *mnt_userns, struct inode *dir,
-- 
2.34.1





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