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vfs: atomic f_pos accesses as per POSIX
[platform/adaptation/renesas_rcar/renesas_kernel.git]
/
fs
/
open.c
diff --git
a/fs/open.c
b/fs/open.c
index
4b3e1ed
..
b9ed8b2
100644
(file)
--- a/
fs/open.c
+++ b/
fs/open.c
@@
-705,6
+705,10
@@
static int do_dentry_open(struct file *f,
return 0;
}
+ /* POSIX.1-2008/SUSv4 Section XSI 2.9.7 */
+ if (S_ISREG(inode->i_mode))
+ f->f_mode |= FMODE_ATOMIC_POS;
+
f->f_op = fops_get(inode->i_fop);
if (unlikely(WARN_ON(!f->f_op))) {
error = -ENODEV;