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Hi,
On Fri, 2003-05-30 at 15:58, Christoph Hellwig wrote:
> Yikes, this looks like devfs code! Please try to use proper kernel style..
It's pure cut-and-paste from the update_atime immediately above it. But
sure, we can clean them both up while we're at it if you want.
--Stephen
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--- linux-2.4-odirect/fs/inode.c.=3DK0001=3D.orig
+++ linux-2.4-odirect/fs/inode.c
@@ -1187,12 +1187,34 @@ void update_atime (struct inode *inode)
{
if (inode->i_atime =3D=3D CURRENT_TIME)
return;
- if ( IS_NOATIME (inode) ) return;
- if ( IS_NODIRATIME (inode) && S_ISDIR (inode->i_mode) ) return;
- if ( IS_RDONLY (inode) ) return;
+ if (IS_NOATIME(inode))
+ return;
+ if (IS_NODIRATIME(inode) && S_ISDIR(inode->i_mode))=20
+ return;
+ if (IS_RDONLY(inode))=20
+ return;
inode->i_atime =3D CURRENT_TIME;
mark_inode_dirty_sync (inode);
-} /* End Function update_atime */
+}
+
+/**
+ * update_mctime - update the mtime and ctime
+ * @inode: inode accessed
+ *
+ * Update the modified and changed times on an inode for writes to special
+ * files such as fifos. No change is forced if the timestamps are already
+ * up-to-date or if the filesystem is readonly.
+ */
+=20
+void update_mctime (struct inode *inode)
+{
+ if (inode->i_mtime =3D=3D CURRENT_TIME && inode->i_ctime =3D=3D CURRENT_T=
IME)
+ return;
+ if (IS_RDONLY(inode))
+ return;
+ inode->i_ctime =3D inode->i_mtime =3D CURRENT_TIME;
+ mark_inode_dirty (inode);
+}
=20
=20
/*
--- linux-2.4-odirect/fs/pipe.c.=3DK0001=3D.orig
+++ linux-2.4-odirect/fs/pipe.c
@@ -230,8 +230,7 @@ pipe_write(struct file *filp, const char
/* Signal readers asynchronously that there is more data. */
wake_up_interruptible(PIPE_WAIT(*inode));
=20
- inode->i_ctime =3D inode->i_mtime =3D CURRENT_TIME;
- mark_inode_dirty(inode);
+ update_mctime(inode);
=20
out:
up(PIPE_SEM(*inode));
--- linux-2.4-odirect/include/linux/fs.h.=3DK0001=3D.orig
+++ linux-2.4-odirect/include/linux/fs.h
@@ -201,6 +201,7 @@ extern int leases_enable, dir_notify_ena
#include <asm/byteorder.h>
=20
extern void update_atime (struct inode *);
+extern void update_mctime (struct inode *);
#define UPDATE_ATIME(inode) update_atime (inode)
=20
extern void buffer_init(unsigned long);
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