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Diffstat (limited to 'fs')
-rw-r--r--fs/file_table.c9
-rw-r--r--fs/notify/fanotify/fanotify.c8
-rw-r--r--fs/notify/fanotify/fanotify_user.c6
-rw-r--r--fs/notify/fsnotify.c12
-rw-r--r--fs/notify/inotify/inotify_fsnotify.c12
-rw-r--r--fs/notify/notification.c33
6 files changed, 30 insertions, 50 deletions
diff --git a/fs/file_table.c b/fs/file_table.c
index 2fc3b3c0891..edecd36fed9 100644
--- a/fs/file_table.c
+++ b/fs/file_table.c
@@ -230,15 +230,6 @@ static void __fput(struct file *file)
might_sleep();
fsnotify_close(file);
-
- /*
- * fsnotify_create_event may have taken one or more references on this
- * file. If it did so it left one reference for us to drop to make sure
- * its calls to fput could not prematurely destroy the file.
- */
- if (atomic_long_read(&file->f_count))
- return fput(file);
-
/*
* The function eventpoll_release() should be the first called
* in the file cleanup chain.
diff --git a/fs/notify/fanotify/fanotify.c b/fs/notify/fanotify/fanotify.c
index eb8f73c9c13..756566fe844 100644
--- a/fs/notify/fanotify/fanotify.c
+++ b/fs/notify/fanotify/fanotify.c
@@ -17,9 +17,9 @@ static bool should_merge(struct fsnotify_event *old, struct fsnotify_event *new)
old->data_type == new->data_type &&
old->tgid == new->tgid) {
switch (old->data_type) {
- case (FSNOTIFY_EVENT_FILE):
- if ((old->file->f_path.mnt == new->file->f_path.mnt) &&
- (old->file->f_path.dentry == new->file->f_path.dentry))
+ case (FSNOTIFY_EVENT_PATH):
+ if ((old->path.mnt == new->path.mnt) &&
+ (old->path.dentry == new->path.dentry))
return true;
case (FSNOTIFY_EVENT_NONE):
return true;
@@ -174,7 +174,7 @@ static bool fanotify_should_send_event(struct fsnotify_group *group,
return false;
/* if we don't have enough info to send an event to userspace say no */
- if (data_type != FSNOTIFY_EVENT_FILE)
+ if (data_type != FSNOTIFY_EVENT_PATH)
return false;
if (inode_mark && vfsmnt_mark) {
diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c
index 25a3b4dfcf6..032b837fcd1 100644
--- a/fs/notify/fanotify/fanotify_user.c
+++ b/fs/notify/fanotify/fanotify_user.c
@@ -65,7 +65,7 @@ static int create_fd(struct fsnotify_group *group, struct fsnotify_event *event)
if (client_fd < 0)
return client_fd;
- if (event->data_type != FSNOTIFY_EVENT_FILE) {
+ if (event->data_type != FSNOTIFY_EVENT_PATH) {
WARN_ON(1);
put_unused_fd(client_fd);
return -EINVAL;
@@ -75,8 +75,8 @@ static int create_fd(struct fsnotify_group *group, struct fsnotify_event *event)
* we need a new file handle for the userspace program so it can read even if it was
* originally opened O_WRONLY.
*/
- dentry = dget(event->file->f_path.dentry);
- mnt = mntget(event->file->f_path.mnt);
+ dentry = dget(event->path.dentry);
+ mnt = mntget(event->path.mnt);
/* it's possible this event was an overflow event. in that case dentry and mnt
* are NULL; That's fine, just don't call dentry open */
if (dentry && mnt)
diff --git a/fs/notify/fsnotify.c b/fs/notify/fsnotify.c
index 4d2a82c1ceb..3970392b272 100644
--- a/fs/notify/fsnotify.c
+++ b/fs/notify/fsnotify.c
@@ -84,7 +84,7 @@ void __fsnotify_update_child_dentry_flags(struct inode *inode)
}
/* Notify this dentry's parent about a child's events. */
-void __fsnotify_parent(struct file *file, struct dentry *dentry, __u32 mask)
+void __fsnotify_parent(struct path *path, struct dentry *dentry, __u32 mask)
{
struct dentry *parent;
struct inode *p_inode;
@@ -92,7 +92,7 @@ void __fsnotify_parent(struct file *file, struct dentry *dentry, __u32 mask)
bool should_update_children = false;
if (!dentry)
- dentry = file->f_path.dentry;
+ dentry = path->dentry;
if (!(dentry->d_flags & DCACHE_FSNOTIFY_PARENT_WATCHED))
return;
@@ -124,8 +124,8 @@ void __fsnotify_parent(struct file *file, struct dentry *dentry, __u32 mask)
* specifies these are events which came from a child. */
mask |= FS_EVENT_ON_CHILD;
- if (file)
- fsnotify(p_inode, mask, file, FSNOTIFY_EVENT_FILE,
+ if (path)
+ fsnotify(p_inode, mask, path, FSNOTIFY_EVENT_PATH,
dentry->d_name.name, 0);
else
fsnotify(p_inode, mask, dentry->d_inode, FSNOTIFY_EVENT_INODE,
@@ -217,8 +217,8 @@ int fsnotify(struct inode *to_tell, __u32 mask, void *data, int data_is,
/* global tests shouldn't care about events on child only the specific event */
__u32 test_mask = (mask & ~FS_EVENT_ON_CHILD);
- if (data_is == FSNOTIFY_EVENT_FILE)
- mnt = ((struct file *)data)->f_path.mnt;
+ if (data_is == FSNOTIFY_EVENT_PATH)
+ mnt = ((struct path *)data)->mnt;
else
mnt = NULL;
diff --git a/fs/notify/inotify/inotify_fsnotify.c b/fs/notify/inotify/inotify_fsnotify.c
index 5e73eeb2c69..a91b69a6a29 100644
--- a/fs/notify/inotify/inotify_fsnotify.c
+++ b/fs/notify/inotify/inotify_fsnotify.c
@@ -52,9 +52,9 @@ static bool event_compare(struct fsnotify_event *old, struct fsnotify_event *new
!strcmp(old->file_name, new->file_name))
return true;
break;
- case (FSNOTIFY_EVENT_FILE):
- if ((old->file->f_path.mnt == new->file->f_path.mnt) &&
- (old->file->f_path.dentry == new->file->f_path.dentry))
+ case (FSNOTIFY_EVENT_PATH):
+ if ((old->path.mnt == new->path.mnt) &&
+ (old->path.dentry == new->path.dentry))
return true;
break;
case (FSNOTIFY_EVENT_NONE):
@@ -147,10 +147,10 @@ static bool inotify_should_send_event(struct fsnotify_group *group, struct inode
__u32 mask, void *data, int data_type)
{
if ((inode_mark->mask & FS_EXCL_UNLINK) &&
- (data_type == FSNOTIFY_EVENT_FILE)) {
- struct file *file = data;
+ (data_type == FSNOTIFY_EVENT_PATH)) {
+ struct path *path = data;
- if (d_unlinked(file->f_path.dentry))
+ if (d_unlinked(path->dentry))
return false;
}
diff --git a/fs/notify/notification.c b/fs/notify/notification.c
index d6c435adc7a..f39260f8f86 100644
--- a/fs/notify/notification.c
+++ b/fs/notify/notification.c
@@ -31,7 +31,6 @@
* allocated and used.
*/
-#include <linux/file.h>
#include <linux/fs.h>
#include <linux/init.h>
#include <linux/kernel.h>
@@ -90,8 +89,8 @@ void fsnotify_put_event(struct fsnotify_event *event)
if (atomic_dec_and_test(&event->refcnt)) {
pr_debug("%s: event=%p\n", __func__, event);
- if (event->data_type == FSNOTIFY_EVENT_FILE)
- fput(event->file);
+ if (event->data_type == FSNOTIFY_EVENT_PATH)
+ path_put(&event->path);
BUG_ON(!list_empty(&event->private_data_list));
@@ -376,8 +375,8 @@ struct fsnotify_event *fsnotify_clone_event(struct fsnotify_event *old_event)
}
}
event->tgid = get_pid(old_event->tgid);
- if (event->data_type == FSNOTIFY_EVENT_FILE)
- get_file(event->file);
+ if (event->data_type == FSNOTIFY_EVENT_PATH)
+ path_get(&event->path);
return event;
}
@@ -424,22 +423,11 @@ struct fsnotify_event *fsnotify_create_event(struct inode *to_tell, __u32 mask,
event->data_type = data_type;
switch (data_type) {
- case FSNOTIFY_EVENT_FILE: {
- event->file = data;
- /*
- * if this file is about to disappear hold an extra reference
- * until we return to __fput so we don't have to worry about
- * future get/put destroying the file under us or generating
- * additional events. Notice that we change f_mode without
- * holding f_lock. This is safe since this is the only possible
- * reference to this object in the kernel (it was about to be
- * freed, remember?)
- */
- if (!atomic_long_read(&event->file->f_count)) {
- event->file->f_mode |= FMODE_NONOTIFY;
- get_file(event->file);
- }
- get_file(event->file);
+ case FSNOTIFY_EVENT_PATH: {
+ struct path *path = data;
+ event->path.dentry = path->dentry;
+ event->path.mnt = path->mnt;
+ path_get(&event->path);
break;
}
case FSNOTIFY_EVENT_INODE:
@@ -447,7 +435,8 @@ struct fsnotify_event *fsnotify_create_event(struct inode *to_tell, __u32 mask,
break;
case FSNOTIFY_EVENT_NONE:
event->inode = NULL;
- event->file = NULL;
+ event->path.dentry = NULL;
+ event->path.mnt = NULL;
break;
default:
BUG();
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-19 02:00:57 +0000