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authorAl Viro <viro@zeniv.linux.org.uk>2010-03-03 17:12:40 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2010-03-03 17:12:40 -0500
commit9643f5d94aadd47a5fa9754fb60f2c957de05903 (patch)
treec299736cbcdd7f971c1c308433e248198060fefa /fs
parent2bd3a997befc226ab4b504f05c5cbba305f3e0e6 (diff)
parentc44dcc56d2b5c79ba3063d20f76e5347e2e418f6 (diff)
Merge branch 'for-fsnotify' into for-linus
Diffstat (limited to 'fs')
-rw-r--r--fs/debugfs/inode.c2
-rw-r--r--fs/namei.c8
-rw-r--r--fs/notify/inotify/inotify_user.c59
3 files changed, 10 insertions, 59 deletions
diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
index 274ac865bae8..049d6c36da09 100644
--- a/fs/debugfs/inode.c
+++ b/fs/debugfs/inode.c
@@ -496,7 +496,7 @@ struct dentry *debugfs_rename(struct dentry *old_dir, struct dentry *old_dentry,
}
d_move(old_dentry, dentry);
fsnotify_move(old_dir->d_inode, new_dir->d_inode, old_name,
- old_dentry->d_name.name, S_ISDIR(old_dentry->d_inode->i_mode),
+ S_ISDIR(old_dentry->d_inode->i_mode),
NULL, old_dentry);
fsnotify_oldname_free(old_name);
unlock_rename(new_dir, old_dir);
diff --git a/fs/namei.c b/fs/namei.c
index 54d33df06be0..0741c69b3319 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1334,7 +1334,7 @@ static int may_delete(struct inode *dir,struct dentry *victim,int isdir)
return -ENOENT;
BUG_ON(victim->d_parent->d_inode != dir);
- audit_inode_child(victim->d_name.name, victim, dir);
+ audit_inode_child(victim, dir);
error = inode_permission(dir, MAY_WRITE | MAY_EXEC);
if (error)
@@ -2663,11 +2663,9 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
error = vfs_rename_dir(old_dir,old_dentry,new_dir,new_dentry);
else
error = vfs_rename_other(old_dir,old_dentry,new_dir,new_dentry);
- if (!error) {
- const char *new_name = old_dentry->d_name.name;
- fsnotify_move(old_dir, new_dir, old_name, new_name, is_dir,
+ if (!error)
+ fsnotify_move(old_dir, new_dir, old_name, is_dir,
new_dentry->d_inode, old_dentry);
- }
fsnotify_oldname_free(old_name);
return error;
diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c
index a94e8bd8eb1f..472cdf29ef82 100644
--- a/fs/notify/inotify/inotify_user.c
+++ b/fs/notify/inotify/inotify_user.c
@@ -29,14 +29,12 @@
#include <linux/init.h> /* module_init */
#include <linux/inotify.h>
#include <linux/kernel.h> /* roundup() */
-#include <linux/magic.h> /* superblock magic number */
-#include <linux/mount.h> /* mntget */
#include <linux/namei.h> /* LOOKUP_FOLLOW */
-#include <linux/path.h> /* struct path */
#include <linux/sched.h> /* struct user */
#include <linux/slab.h> /* struct kmem_cache */
#include <linux/syscalls.h>
#include <linux/types.h>
+#include <linux/anon_inodes.h>
#include <linux/uaccess.h>
#include <linux/poll.h>
#include <linux/wait.h>
@@ -45,8 +43,6 @@
#include <asm/ioctls.h>
-static struct vfsmount *inotify_mnt __read_mostly;
-
/* these are configurable via /proc/sys/fs/inotify/ */
static int inotify_max_user_instances __read_mostly;
static int inotify_max_queued_events __read_mostly;
@@ -645,9 +641,7 @@ SYSCALL_DEFINE1(inotify_init1, int, flags)
{
struct fsnotify_group *group;
struct user_struct *user;
- struct file *filp;
- struct path path;
- int fd, ret;
+ int ret;
/* Check the IN_* constants for consistency. */
BUILD_BUG_ON(IN_CLOEXEC != O_CLOEXEC);
@@ -656,10 +650,6 @@ SYSCALL_DEFINE1(inotify_init1, int, flags)
if (flags & ~(IN_CLOEXEC | IN_NONBLOCK))
return -EINVAL;
- fd = get_unused_fd_flags(flags & O_CLOEXEC);
- if (fd < 0)
- return fd;
-
user = get_current_user();
if (unlikely(atomic_read(&user->inotify_devs) >=
inotify_max_user_instances)) {
@@ -676,27 +666,14 @@ SYSCALL_DEFINE1(inotify_init1, int, flags)
atomic_inc(&user->inotify_devs);
- path.mnt = inotify_mnt;
- path.dentry = inotify_mnt->mnt_root;
- path_get(&path);
- filp = alloc_file(&path, FMODE_READ, &inotify_fops);
- if (!filp)
- goto Enfile;
+ ret = anon_inode_getfd("inotify", &inotify_fops, group,
+ O_RDONLY | flags);
+ if (ret >= 0)
+ return ret;
- filp->f_flags = O_RDONLY | (flags & O_NONBLOCK);
- filp->private_data = group;
-
- fd_install(fd, filp);
-
- return fd;
-
-Enfile:
- ret = -ENFILE;
- path_put(&path);
atomic_dec(&user->inotify_devs);
out_free_uid:
free_uid(user);
- put_unused_fd(fd);
return ret;
}
@@ -783,20 +760,6 @@ out:
return ret;
}
-static int
-inotify_get_sb(struct file_system_type *fs_type, int flags,
- const char *dev_name, void *data, struct vfsmount *mnt)
-{
- return get_sb_pseudo(fs_type, "inotify", NULL,
- INOTIFYFS_SUPER_MAGIC, mnt);
-}
-
-static struct file_system_type inotify_fs_type = {
- .name = "inotifyfs",
- .get_sb = inotify_get_sb,
- .kill_sb = kill_anon_super,
-};
-
/*
* inotify_user_setup - Our initialization function. Note that we cannnot return
* error because we have compiled-in VFS hooks. So an (unlikely) failure here
@@ -804,16 +767,6 @@ static struct file_system_type inotify_fs_type = {
*/
static int __init inotify_user_setup(void)
{
- int ret;
-
- ret = register_filesystem(&inotify_fs_type);
- if (unlikely(ret))
- panic("inotify: register_filesystem returned %d!\n", ret);
-
- inotify_mnt = kern_mount(&inotify_fs_type);
- if (IS_ERR(inotify_mnt))
- panic("inotify: kern_mount ret %ld!\n", PTR_ERR(inotify_mnt));
-
inotify_inode_mark_cachep = KMEM_CACHE(inotify_inode_mark_entry, SLAB_PANIC);
event_priv_cachep = KMEM_CACHE(inotify_event_private_data, SLAB_PANIC);