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path: root/fs/notify/inotify/inotify_user.c
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Diffstat (limited to 'fs/notify/inotify/inotify_user.c')
-rw-r--r--fs/notify/inotify/inotify_user.c19
1 files changed, 9 insertions, 10 deletions
diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c
index 1c4bfdab008d..0794dcaf1e47 100644
--- a/fs/notify/inotify/inotify_user.c
+++ b/fs/notify/inotify/inotify_user.c
@@ -49,7 +49,7 @@
/* configurable via /proc/sys/fs/inotify/ */
static int inotify_max_queued_events __read_mostly;
-struct kmem_cache *inotify_inode_mark_cachep __read_mostly;
+struct kmem_cache *inotify_inode_mark_cachep __ro_after_init;
#ifdef CONFIG_SYSCTL
@@ -85,7 +85,6 @@ static struct ctl_table inotify_table[] = {
.proc_handler = proc_dointvec_minmax,
.extra1 = SYSCTL_ZERO
},
- { }
};
static void __init inotify_sysctls_init(void)
@@ -545,7 +544,7 @@ static int inotify_update_existing_watch(struct fsnotify_group *group,
int create = (arg & IN_MASK_CREATE);
int ret;
- fsn_mark = fsnotify_find_mark(&inode->i_fsnotify_marks, group);
+ fsn_mark = fsnotify_find_inode_mark(inode, group);
if (!fsn_mark)
return -ENOENT;
else if (create) {
@@ -570,7 +569,7 @@ static int inotify_update_existing_watch(struct fsnotify_group *group,
/* more bits in old than in new? */
int dropped = (old_mask & ~new_mask);
/* more bits in this fsn_mark than the inode's mask? */
- int do_inode = (new_mask & ~inode->i_fsnotify_mask);
+ int do_inode = (new_mask & ~READ_ONCE(inode->i_fsnotify_mask));
/* update the inode with this new fsn_mark */
if (dropped || do_inode)
@@ -754,7 +753,7 @@ SYSCALL_DEFINE3(inotify_add_watch, int, fd, const char __user *, pathname,
return -EINVAL;
f = fdget(fd);
- if (unlikely(!f.file))
+ if (unlikely(!fd_file(f)))
return -EBADF;
/* IN_MASK_ADD and IN_MASK_CREATE don't make sense together */
@@ -764,7 +763,7 @@ SYSCALL_DEFINE3(inotify_add_watch, int, fd, const char __user *, pathname,
}
/* verify that this is indeed an inotify instance */
- if (unlikely(f.file->f_op != &inotify_fops)) {
+ if (unlikely(fd_file(f)->f_op != &inotify_fops)) {
ret = -EINVAL;
goto fput_and_out;
}
@@ -781,7 +780,7 @@ SYSCALL_DEFINE3(inotify_add_watch, int, fd, const char __user *, pathname,
/* inode held in place by reference to path; group by fget on fd */
inode = path.dentry->d_inode;
- group = f.file->private_data;
+ group = fd_file(f)->private_data;
/* create/update an inode mark */
ret = inotify_update_watch(group, inode, mask);
@@ -799,14 +798,14 @@ SYSCALL_DEFINE2(inotify_rm_watch, int, fd, __s32, wd)
int ret = -EINVAL;
f = fdget(fd);
- if (unlikely(!f.file))
+ if (unlikely(!fd_file(f)))
return -EBADF;
/* verify that this is indeed an inotify instance */
- if (unlikely(f.file->f_op != &inotify_fops))
+ if (unlikely(fd_file(f)->f_op != &inotify_fops))
goto out;
- group = f.file->private_data;
+ group = fd_file(f)->private_data;
i_mark = inotify_idr_find(group, wd);
if (unlikely(!i_mark))