summaryrefslogtreecommitdiff
path: root/include/linux/fs.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/fs.h')
-rw-r--r--include/linux/fs.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 2c28271ab9d4..578a66e6ee72 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2223,6 +2223,20 @@ static inline struct inode *file_inode(struct file *f)
return f->f_inode;
}
+static inline void file_start_write(struct file *file)
+{
+ if (!S_ISREG(file_inode(file)->i_mode))
+ return;
+ __sb_start_write(file_inode(file)->i_sb, SB_FREEZE_WRITE, true);
+}
+
+static inline void file_end_write(struct file *file)
+{
+ if (!S_ISREG(file_inode(file)->i_mode))
+ return;
+ __sb_end_write(file_inode(file)->i_sb, SB_FREEZE_WRITE);
+}
+
/*
* get_write_access() gets write permission for a file.
* put_write_access() releases this write permission.