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authorLinus Torvalds <torvalds@linux-foundation.org>2018-08-14 06:25:58 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2018-08-14 06:25:58 +0300
commit0ea97a2d61df729ccce75b00a2fa37d39a508ab6 (patch)
tree953c13d8309938b93af2c257de8f7b84004ae748 /fs/nfs/dir.c
parenta66b4cd1e7163adb327838a3c81faaf6a9330d5a (diff)
parentc7b15a8657da7f8d11269c7cc3d8beef10d26b43 (diff)
downloadlinux-0ea97a2d61df729ccce75b00a2fa37d39a508ab6.tar.xz
Merge branch 'work.mkdir' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
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
Diffstat (limited to 'fs/nfs/dir.c')
-rw-r--r--fs/nfs/dir.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index f447b1a24350..d7f158c3efc8 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -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;