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fuse: Support RENAME_WHITEOUT flag

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Allow fuse to pass RENAME_WHITEOUT to fuse server.  Overlayfs on top of
virtiofs uses RENAME_WHITEOUT.

Without this patch renaming a directory in overlayfs (dir is on lower)
fails with -EINVAL. With this patch it works.

Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
This commit is contained in:
Vivek Goyal 2020-02-05 08:15:46 -05:00 committed by Miklos Szeredi
parent 2f1398291b
commit 519525fa47
1 changed files with 1 additions and 1 deletions
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fs/fuse/dir.c
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@ -818,7 +818,7 @@ static int fuse_rename2(struct inode *olddir, struct dentry *oldent,
struct fuse_conn *fc = get_fuse_conn(olddir);
int err;
if (flags & ~(RENAME_NOREPLACE | RENAME_EXCHANGE))
if (flags & ~(RENAME_NOREPLACE | RENAME_EXCHANGE | RENAME_WHITEOUT))
return -EINVAL;
if (flags) {