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Subject[PATCH 38/39] Revert "fsnotify: support overlayfs"
Date
This reverts commit f3fbbb079263bd29ae592478de6808db7e708267.

Overlayfs now works correctly without adding hacks to fsnotify.

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
---
include/linux/fsnotify.h | 14 +++++---------
1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h
index bdaf22582f6e..fd1ce10553bf 100644
--- a/include/linux/fsnotify.h
+++ b/include/linux/fsnotify.h
@@ -30,11 +30,7 @@ static inline int fsnotify_parent(const struct path *path, struct dentry *dentry
static inline int fsnotify_perm(struct file *file, int mask)
{
const struct path *path = &file->f_path;
- /*
- * Do not use file_inode() here or anywhere in this file to get the
- * inode. That would break *notity on overlayfs.
- */
- struct inode *inode = path->dentry->d_inode;
+ struct inode *inode = file_inode(file);
__u32 fsnotify_mask = 0;
int ret;

@@ -178,7 +174,7 @@ static inline void fsnotify_mkdir(struct inode *inode, struct dentry *dentry)
static inline void fsnotify_access(struct file *file)
{
const struct path *path = &file->f_path;
- struct inode *inode = path->dentry->d_inode;
+ struct inode *inode = file_inode(file);
__u32 mask = FS_ACCESS;

if (S_ISDIR(inode->i_mode))
@@ -196,7 +192,7 @@ static inline void fsnotify_access(struct file *file)
static inline void fsnotify_modify(struct file *file)
{
const struct path *path = &file->f_path;
- struct inode *inode = path->dentry->d_inode;
+ struct inode *inode = file_inode(file);
__u32 mask = FS_MODIFY;

if (S_ISDIR(inode->i_mode))
@@ -214,7 +210,7 @@ static inline void fsnotify_modify(struct file *file)
static inline void fsnotify_open(struct file *file)
{
const struct path *path = &file->f_path;
- struct inode *inode = path->dentry->d_inode;
+ struct inode *inode = file_inode(file);
__u32 mask = FS_OPEN;

if (S_ISDIR(inode->i_mode))
@@ -230,7 +226,7 @@ static inline void fsnotify_open(struct file *file)
static inline void fsnotify_close(struct file *file)
{
const struct path *path = &file->f_path;
- struct inode *inode = path->dentry->d_inode;
+ struct inode *inode = file_inode(file);
fmode_t mode = file->f_mode;
__u32 mask = (mode & FMODE_WRITE) ? FS_CLOSE_WRITE : FS_CLOSE_NOWRITE;

--
2.14.3
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