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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2025-05-26 08:02:43 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2025-05-26 08:02:43 -0700 |
| commit | 6d5b940e1e14fcc20b5a3536647fe3c41b07d4f5 (patch) | |
| tree | 07a61f794fae818384d25c7f3f76c0f20c954a51 /fs/smb/server/smb2pdu.c | |
| parent | 0ff41df1cb268fc69e703a08a57ee14ae967d0ca (diff) | |
| parent | 4e5c53e03806359e68dde5e951e50cd1f4908405 (diff) | |
Merge tag 'vfs-6.16-rc1.async.dir' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs directory lookup updates from Christian Brauner:
"This contains cleanups for the lookup_one*() family of helpers.
We expose a set of functions with names containing "lookup_one_len"
and others without the "_len". This difference has nothing to do with
"len". It's rater a historical accident that can be confusing.
The functions without "_len" take a "mnt_idmap" pointer. This is found
in the "vfsmount" and that is an important question when choosing
which to use: do you have a vfsmount, or are you "inside" the
filesystem. A related question is "is permission checking relevant
here?".
nfsd and cachefiles *do* have a vfsmount but *don't* use the non-_len
functions. They pass nop_mnt_idmap and refuse to work on filesystems
which have any other idmap.
This work changes nfsd and cachefile to use the lookup_one family of
functions and to explictily pass &nop_mnt_idmap which is consistent
with all other vfs interfaces used where &nop_mnt_idmap is explicitly
passed.
The remaining uses of the "_one" functions do not require permission
checks so these are renamed to be "_noperm" and the permission
checking is removed.
This series also changes these lookup function to take a qstr instead
of separate name and len. In many cases this simplifies the call"
* tag 'vfs-6.16-rc1.async.dir' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
VFS: change lookup_one_common and lookup_noperm_common to take a qstr
Use try_lookup_noperm() instead of d_hash_and_lookup() outside of VFS
VFS: rename lookup_one_len family to lookup_noperm and remove permission check
cachefiles: Use lookup_one() rather than lookup_one_len()
nfsd: Use lookup_one() rather than lookup_one_len()
VFS: improve interface for lookup_one functions
Diffstat (limited to 'fs/smb/server/smb2pdu.c')
| -rw-r--r-- | fs/smb/server/smb2pdu.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c index f2a2be8467c6..8d414239b3fe 100644 --- a/fs/smb/server/smb2pdu.c +++ b/fs/smb/server/smb2pdu.c @@ -4120,9 +4120,10 @@ static int process_query_dir_entries(struct smb2_query_dir_private *priv) return -EINVAL; lock_dir(priv->dir_fp); - dent = lookup_one(idmap, priv->d_info->name, - priv->dir_fp->filp->f_path.dentry, - priv->d_info->name_len); + dent = lookup_one(idmap, + &QSTR_LEN(priv->d_info->name, + priv->d_info->name_len), + priv->dir_fp->filp->f_path.dentry); unlock_dir(priv->dir_fp); if (IS_ERR(dent)) { |