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Merge branch 'work.mkdir' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

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Pull vfs icache updates from Al Viro:

 - NFS mkdir/open_by_handle race fix

 - analogous solution for FUSE, replacing the one currently in mainline

 - new primitive to be used when discarding halfway set up inodes on
   failed object creation; gives sane warranties re icache lookups not
   returning such doomed by still not freed inodes. A bunch of
   filesystems switched to that animal.

 - Miklos' fix for last cycle regression in iget5_locked(); -stable will
   need a slightly different variant, unfortunately.

 - misc bits and pieces around things icache-related (in adfs and jfs).

* 'work.mkdir' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  jfs: don't bother with make_bad_inode() in ialloc()
  adfs: don't put inodes into icache
  new helper: inode_fake_hash()
  vfs: don't evict uninitialized inode
  jfs: switch to discard_new_inode()
  ext2: make sure that partially set up inodes won't be returned by ext2_iget()
  udf: switch to discard_new_inode()
  ufs: switch to discard_new_inode()
  btrfs: switch to discard_new_inode()
  new primitive: discard_new_inode()
  kill d_instantiate_no_diralias()
  nfs_instantiate(): prevent multiple aliases for directory inode
This commit is contained in:
Linus Torvalds
2018-08-13 20:25:58 -07:00
parent a66b4cd1e7 c7b15a8657
commit 0ea97a2d61
20 changed files with 146 additions and 159 deletions
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9
fs/nfs/dir.c
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@@ -1643,6 +1643,7 @@ int nfs_instantiate(struct dentry *dentry, struct nfs_fh *fhandle,
struct dentry *parent = dget_parent(dentry);
struct inode *dir = d_inode(parent);
struct inode *inode;
struct dentry *d;
int error = -EACCES;
d_drop(dentry);
@@ -1664,10 +1665,12 @@ int nfs_instantiate(struct dentry *dentry, struct nfs_fh *fhandle,
goto out_error;
}
inode = nfs_fhget(dentry->d_sb, fhandle, fattr, label);
error = PTR_ERR(inode);
if (IS_ERR(inode))
d = d_splice_alias(inode, dentry);
if (IS_ERR(d)) {
error = PTR_ERR(d);
goto out_error;
d_add(dentry, inode);
}
dput(d);
out:
dput(parent);
return 0;