6.6-stable review patch. If anyone has any objections, please let me know.
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From: Ralph Boehme slow@samba.org
commit 8cb0bc5436351de8a11eef13b7367d64cc0d6c68 upstream.
Spares an extra revalidation request
Cc: stable@vger.kernel.org Acked-by: Paulo Alcantara (Red Hat) pc@manguebit.com Signed-off-by: Ralph Boehme slow@samba.org Signed-off-by: Steve French stfrench@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- fs/smb/client/readdir.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-)
--- a/fs/smb/client/readdir.c +++ b/fs/smb/client/readdir.c @@ -71,6 +71,8 @@ cifs_prime_dcache(struct dentry *parent, struct inode *inode; struct super_block *sb = parent->d_sb; struct cifs_sb_info *cifs_sb = CIFS_SB(sb); + bool posix = cifs_sb_master_tcon(cifs_sb)->posix_extensions; + bool reparse_need_reval = false; DECLARE_WAIT_QUEUE_HEAD_ONSTACK(wq); int rc;
@@ -85,7 +87,21 @@ cifs_prime_dcache(struct dentry *parent, * this spares us an invalidation. */ retry: - if ((fattr->cf_cifsattrs & ATTR_REPARSE) || + if (posix) { + switch (fattr->cf_mode & S_IFMT) { + case S_IFLNK: + case S_IFBLK: + case S_IFCHR: + reparse_need_reval = true; + break; + default: + break; + } + } else if (fattr->cf_cifsattrs & ATTR_REPARSE) { + reparse_need_reval = true; + } + + if (reparse_need_reval || (fattr->cf_flags & CIFS_FATTR_NEED_REVAL)) return;