Commit b2bb112d authored by Gao Xiang's avatar Gao Xiang Committed by Greg Kroah-Hartman
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staging: erofs: no need to take page lock in readdir 



VFS will take inode_lock for readdir, therefore no need to
take page lock in readdir at all just as the majority of
other generic filesystems.

Signed-off-by: default avatarGao Xiang <gaoxiang25@huawei.com>
Reviewed-by: default avatarChao Yu <yuchao0@huawei.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 615cba35

drivers/staging/erofs/dir.c

+0 −2
Original line number Diff line number Diff line
@@ -98,7 +98,6 @@ static int erofs_readdir(struct file *f, struct dir_context *ctx) 
		if (IS_ERR(dentry_page))

			continue;



		lock_page(dentry_page);

		de = (struct erofs_dirent *)kmap(dentry_page);



		nameoff = le16_to_cpu(de->nameoff);
@@ -128,7 +127,6 @@ static int erofs_readdir(struct file *f, struct dir_context *ctx) 
skip_this:

		kunmap(dentry_page);



		unlock_page(dentry_page);

		put_page(dentry_page);



		ctx->pos = blknr_to_addr(i) + ofs;