[PATCH 11/16] jfs: switch to discard_new_inode()

From: Al Viro
Date: Sun Jul 29 2018 - 18:05:25 EST


From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>

we don't want open-by-handle to pick an in-core inode that
has failed setup halfway through.

Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
---
fs/jfs/jfs_inode.c | 8 ++++----
fs/jfs/namei.c | 12 ++++--------
2 files changed, 8 insertions(+), 12 deletions(-)

diff --git a/fs/jfs/jfs_inode.c b/fs/jfs/jfs_inode.c
index 5e9b7bb3aabf..96732c24b054 100644
--- a/fs/jfs/jfs_inode.c
+++ b/fs/jfs/jfs_inode.c
@@ -61,8 +61,7 @@ struct inode *ialloc(struct inode *parent, umode_t mode)
inode = new_inode(sb);
if (!inode) {
jfs_warn("ialloc: new_inode returned NULL!");
- rc = -ENOMEM;
- goto fail;
+ return ERR_PTR(-ENOMEM);
}

jfs_inode = JFS_IP(inode);
@@ -141,9 +140,10 @@ struct inode *ialloc(struct inode *parent, umode_t mode)
dquot_drop(inode);
inode->i_flags |= S_NOQUOTA;
clear_nlink(inode);
- unlock_new_inode(inode);
+ discard_new_inode(inode);
+ return ERR_PTR(rc);
+
fail_put:
iput(inode);
-fail:
return ERR_PTR(rc);
}
diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c
index 56c3fcbfe80e..14528c0ffe63 100644
--- a/fs/jfs/namei.c
+++ b/fs/jfs/namei.c
@@ -175,8 +175,7 @@ static int jfs_create(struct inode *dip, struct dentry *dentry, umode_t mode,
if (rc) {
free_ea_wmap(ip);
clear_nlink(ip);
- unlock_new_inode(ip);
- iput(ip);
+ discard_new_inode(ip);
} else {
d_instantiate_new(dentry, ip);
}
@@ -309,8 +308,7 @@ static int jfs_mkdir(struct inode *dip, struct dentry *dentry, umode_t mode)
if (rc) {
free_ea_wmap(ip);
clear_nlink(ip);
- unlock_new_inode(ip);
- iput(ip);
+ discard_new_inode(ip);
} else {
d_instantiate_new(dentry, ip);
}
@@ -1054,8 +1052,7 @@ static int jfs_symlink(struct inode *dip, struct dentry *dentry,
if (rc) {
free_ea_wmap(ip);
clear_nlink(ip);
- unlock_new_inode(ip);
- iput(ip);
+ discard_new_inode(ip);
} else {
d_instantiate_new(dentry, ip);
}
@@ -1441,8 +1438,7 @@ static int jfs_mknod(struct inode *dir, struct dentry *dentry,
if (rc) {
free_ea_wmap(ip);
clear_nlink(ip);
- unlock_new_inode(ip);
- iput(ip);
+ discard_new_inode(ip);
} else {
d_instantiate_new(dentry, ip);
}
--
2.11.0