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Diffstat (limited to 'include/linux/fs.h')
-rw-r--r--include/linux/fs.h25
1 files changed, 16 insertions, 9 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 2ec4807d4ea8..d7ab4f96d705 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -200,12 +200,12 @@ typedef int (dio_iodone_t)(struct kiocb *iocb, loff_t offset,
/*
* The two FMODE_NONOTIFY* define which fsnotify events should not be generated
- * for a file. These are the possible values of (f->f_mode &
- * FMODE_FSNOTIFY_MASK) and their meaning:
+ * for an open file. These are the possible values of
+ * (f->f_mode & FMODE_FSNOTIFY_MASK) and their meaning:
*
* FMODE_NONOTIFY - suppress all (incl. non-permission) events.
* FMODE_NONOTIFY_PERM - suppress permission (incl. pre-content) events.
- * FMODE_NONOTIFY | FMODE_NONOTIFY_PERM - suppress only pre-content events.
+ * FMODE_NONOTIFY | FMODE_NONOTIFY_PERM - suppress only FAN_ACCESS_PERM.
*/
#define FMODE_FSNOTIFY_MASK \
(FMODE_NONOTIFY | FMODE_NONOTIFY_PERM)
@@ -213,13 +213,13 @@ typedef int (dio_iodone_t)(struct kiocb *iocb, loff_t offset,
#define FMODE_FSNOTIFY_NONE(mode) \
((mode & FMODE_FSNOTIFY_MASK) == FMODE_NONOTIFY)
#ifdef CONFIG_FANOTIFY_ACCESS_PERMISSIONS
-#define FMODE_FSNOTIFY_PERM(mode) \
+#define FMODE_FSNOTIFY_HSM(mode) \
((mode & FMODE_FSNOTIFY_MASK) == 0 || \
(mode & FMODE_FSNOTIFY_MASK) == (FMODE_NONOTIFY | FMODE_NONOTIFY_PERM))
-#define FMODE_FSNOTIFY_HSM(mode) \
+#define FMODE_FSNOTIFY_ACCESS_PERM(mode) \
((mode & FMODE_FSNOTIFY_MASK) == 0)
#else
-#define FMODE_FSNOTIFY_PERM(mode) 0
+#define FMODE_FSNOTIFY_ACCESS_PERM(mode) 0
#define FMODE_FSNOTIFY_HSM(mode) 0
#endif
@@ -526,7 +526,7 @@ struct address_space {
/*
* On most architectures that alignment is already the case; but
* must be enforced here for CRIS, to let the least significant bit
- * of struct page's "mapping" pointer be used for PAGE_MAPPING_ANON.
+ * of struct folio's "mapping" pointer be used for FOLIO_MAPPING_ANON.
*/
/* XArray tags, for tagging dirty and writeback pages in the pagecache. */
@@ -1043,6 +1043,7 @@ struct fown_struct {
* and so were/are genuinely "ahead". Start next readahead when
* the first of these pages is accessed.
* @ra_pages: Maximum size of a readahead request, copied from the bdi.
+ * @order: Preferred folio order used for most recent readahead.
* @mmap_miss: How many mmap accesses missed in the page cache.
* @prev_pos: The last byte in the most recent read request.
*
@@ -1054,7 +1055,8 @@ struct file_ra_state {
unsigned int size;
unsigned int async_size;
unsigned int ra_pages;
- unsigned int mmap_miss;
+ unsigned short order;
+ unsigned short mmap_miss;
loff_t prev_pos;
};
@@ -3756,9 +3758,14 @@ void setattr_copy(struct mnt_idmap *, struct inode *inode,
extern int file_update_time(struct file *file);
+static inline bool file_is_dax(const struct file *file)
+{
+ return file && IS_DAX(file->f_mapping->host);
+}
+
static inline bool vma_is_dax(const struct vm_area_struct *vma)
{
- return vma->vm_file && IS_DAX(vma->vm_file->f_mapping->host);
+ return file_is_dax(vma->vm_file);
}
static inline bool vma_is_fsdax(struct vm_area_struct *vma)