Commit ccc031e2 authored by Jiachen Zhang's avatar Jiachen Zhang Committed by Miklos Szeredi
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fuse: always revalidate rename target dentry 



The previous commit df8629af ("fuse: always revalidate if exclusive
create") ensures that the dentries are revalidated on O_EXCL creates.  This
commit complements it by also performing revalidation for rename target
dentries.  Otherwise, a rename target file that only exists in kernel
dentry cache but not in the filesystem will result in EEXIST if
RENAME_NOREPLACE flag is used.

Signed-off-by: default avatarJiachen Zhang <zhangjiachen.jaycee@bytedance.com>
Signed-off-by: default avatarZhang Tianci <zhangtianci.1997@bytedance.com>
Signed-off-by: default avatarMiklos Szeredi <mszeredi@redhat.com>
parent 4f8d3702

fs/fuse/dir.c

+1 −1
Original line number Diff line number Diff line
@@ -214,7 +214,7 @@ static int fuse_dentry_revalidate(struct dentry *entry, unsigned int flags) 
	if (inode && fuse_is_bad(inode))

		goto invalid;

	else if (time_before64(fuse_dentry_time(entry), get_jiffies_64()) ||

		 (flags & (LOOKUP_EXCL | LOOKUP_REVAL))) {

		 (flags & (LOOKUP_EXCL | LOOKUP_REVAL | LOOKUP_RENAME_TARGET))) {

		struct fuse_entry_out outarg;

		FUSE_ARGS(args);

		struct fuse_forget_link *forget;