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authorSukadev Bhattiprolu <sukadev@us.ibm.com>2008-10-13 10:43:18 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-13 09:51:43 -0700
commit89a52e109e2e2fe8bbd4e316cdb910774519c029 (patch)
tree5e469fcbfe109216ea1e046377c00b439b558bdd /fs
parent527b3e4773628b30d03323a2cb5fb0d84441990f (diff)
Simplify devpts_pty_new()
devpts_pty_new() is called when setting up a new pty and would not will not have an existing dentry or inode for the pty. So don't bother looking for an existing dentry - just create a new one. Signed-off-by: Sukadev Bhattiprolu <sukadev@us.ibm.com> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/devpts/inode.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c
index b292ed7ff1c..50e885f84bb 100644
--- a/fs/devpts/inode.c
+++ b/fs/devpts/inode.c
@@ -220,6 +220,7 @@ int devpts_pty_new(struct inode *ptmx_inode, struct tty_struct *tty)
dev_t device = MKDEV(driver->major, driver->minor_start+number);
struct dentry *dentry;
struct inode *inode = new_inode(devpts_mnt->mnt_sb);
+ char s[12];
/* We're supposed to be given the slave end of a pty */
BUG_ON(driver->type != TTY_DRIVER_TYPE_PTY);
@@ -235,9 +236,13 @@ int devpts_pty_new(struct inode *ptmx_inode, struct tty_struct *tty)
init_special_inode(inode, S_IFCHR|config.mode, device);
inode->i_private = tty;
- dentry = get_node(number);
- if (!IS_ERR(dentry) && !dentry->d_inode) {
- d_instantiate(dentry, inode);
+ sprintf(s, "%d", number);
+
+ mutex_lock(&devpts_root->d_inode->i_mutex);
+
+ dentry = d_alloc_name(devpts_root, s);
+ if (!IS_ERR(dentry)) {
+ d_add(dentry, inode);
fsnotify_create(devpts_root->d_inode, dentry);
}