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authorAl Viro <viro@zeniv.linux.org.uk>2014-09-26 21:17:52 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2014-09-26 21:17:52 -0400
commite4502c63f56aeca887ced37f24e0def1ef11cec8 (patch)
treed63e8969b4f6b39565eaeeac8e9c2a400fd18a0b /fs/ufs
parent2c80929c4c4d54e568b07ab85877d5fd38f4b02f (diff)
downloadlinux-e4502c63f56aeca887ced37f24e0def1ef11cec8.tar.bz2
ufs: deal with nfsd/iget races
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/ufs')
-rw-r--r--fs/ufs/ialloc.c6
-rw-r--r--fs/ufs/namei.c4
2 files changed, 9 insertions, 1 deletions
diff --git a/fs/ufs/ialloc.c b/fs/ufs/ialloc.c
index a9cc75ffa925..7caa01652888 100644
--- a/fs/ufs/ialloc.c
+++ b/fs/ufs/ialloc.c
@@ -298,7 +298,10 @@ cg_found:
ufsi->i_oeftflag = 0;
ufsi->i_dir_start_lookup = 0;
memset(&ufsi->i_u1, 0, sizeof(ufsi->i_u1));
- insert_inode_hash(inode);
+ if (insert_inode_locked(inode) < 0) {
+ err = -EIO;
+ goto failed;
+ }
mark_inode_dirty(inode);
if (uspi->fs_magic == UFS2_MAGIC) {
@@ -337,6 +340,7 @@ cg_found:
fail_remove_inode:
unlock_ufs(sb);
clear_nlink(inode);
+ unlock_new_inode(inode);
iput(inode);
UFSD("EXIT (FAILED): err %d\n", err);
return ERR_PTR(err);
diff --git a/fs/ufs/namei.c b/fs/ufs/namei.c
index 2df62a73f20c..fd65deb4b5f0 100644
--- a/fs/ufs/namei.c
+++ b/fs/ufs/namei.c
@@ -38,10 +38,12 @@ static inline int ufs_add_nondir(struct dentry *dentry, struct inode *inode)
{
int err = ufs_add_link(dentry, inode);
if (!err) {
+ unlock_new_inode(inode);
d_instantiate(dentry, inode);
return 0;
}
inode_dec_link_count(inode);
+ unlock_new_inode(inode);
iput(inode);
return err;
}
@@ -155,6 +157,7 @@ out_notlocked:
out_fail:
inode_dec_link_count(inode);
+ unlock_new_inode(inode);
iput(inode);
goto out;
}
@@ -210,6 +213,7 @@ out:
out_fail:
inode_dec_link_count(inode);
inode_dec_link_count(inode);
+ unlock_new_inode(inode);
iput (inode);
inode_dec_link_count(dir);
unlock_ufs(dir->i_sb);