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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Browse source 
Pull vfs updates from Al Viro:

 - Preparations of parallel lookups (the remaining main obstacle is the
   need to move security_d_instantiate(); once that becomes safe, the
   rest will be a matter of rather short series local to fs/*.c

 - preadv2/pwritev2 series from Christoph

 - assorted fixes

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (32 commits)
  splice: handle zero nr_pages in splice_to_pipe()
  vfs: show_vfsstat: do not ignore errors from show_devname method
  dcache.c: new helper: __d_add()
  don't bother with __d_instantiate(dentry, NULL)
  untangle fsnotify_d_instantiate() a bit
  uninline d_add()
  replace d_add_unique() with saner primitive
  quota: use lookup_one_len_unlocked()
  cifs_get_root(): use lookup_one_len_unlocked()
  nfs_lookup: don't bother with d_instantiate(dentry, NULL)
  kill dentry_unhash()
  ceph_fill_trace(): don't bother with d_instantiate(dn, NULL)
  autofs4: don't bother with d_instantiate(dentry, NULL) in ->lookup()
  configfs: move d_rehash() into configfs_create() for regular files
  ceph: don't bother with d_rehash() in splice_dentry()
  namei: teach lookup_slow() to skip revalidate
  namei: massage lookup_slow() to be usable by lookup_one_len_unlocked()
  lookup_one_len_unlocked(): use lookup_dcache()
  namei: simplify invalidation logics in lookup_dcache()
  namei: change calling conventions for lookup_{fast,slow} and follow_managed()
  ...
This commit is contained in:
Linus Torvalds 2016-03-19 18:52:29 -07:00
commit 3c2de27d79
33 changed files with 488 additions and 465 deletions
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9
fs/configfs/dir.c
View file

@ -432,14 +432,9 @@ static int configfs_attach_attr(struct configfs_dirent * sd, struct dentry * den
(sd->s_type & CONFIGFS_ITEM_BIN_ATTR) ?
configfs_init_bin_file :
configfs_init_file);
if (error) {
if (error)
configfs_put(sd);
return error;
}
d_rehash(dentry);
return 0;
return error;
}
static struct dentry * configfs_lookup(struct inode *dir,

12
fs/configfs/inode.c
View file

@ -201,9 +201,17 @@ int configfs_create(struct dentry * dentry, umode_t mode, void (*init)(struct in
configfs_set_inode_lock_class(sd, inode);
init(inode);
d_instantiate(dentry, inode);
if (S_ISDIR(mode) || S_ISLNK(mode))
if (S_ISDIR(mode) || S_ISLNK(mode)) {
/*
* ->symlink(), ->mkdir(), configfs_register_subsystem() or
* create_default_group() - already hashed.
*/
d_instantiate(dentry, inode);
dget(dentry); /* pin link and directory dentries in core */
} else {
/* ->lookup() */
d_add(dentry, inode);
}
return error;
}