fs: remove prepare_write/commit_write
Nothing uses prepare_write or commit_write. Remove them from the tree
completely.
[akpm@linux-foundation.org: schedule simple_prepare_write() for unexporting]
Signed-off-by: Nick Piggin <npiggin@suse.de>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index 19eafbe..2b2eec1 100644
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -175,7 +175,7 @@
if (rw == WRITE) {
/*
- * FIXME: blockdev_direct_IO() doesn't use ->prepare_write(),
+ * FIXME: blockdev_direct_IO() doesn't use ->write_begin(),
* so we need to update the ->mmu_private to block boundary.
*
* But we must fill the remaining area or hole by nul for
diff --git a/fs/libfs.c b/fs/libfs.c
index 7468859..e960a83 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -814,7 +814,7 @@
EXPORT_SYMBOL(simple_link);
EXPORT_SYMBOL(simple_lookup);
EXPORT_SYMBOL(simple_pin_fs);
-EXPORT_SYMBOL(simple_prepare_write);
+EXPORT_UNUSED_SYMBOL(simple_prepare_write);
EXPORT_SYMBOL(simple_readpage);
EXPORT_SYMBOL(simple_release_fs);
EXPORT_SYMBOL(simple_rename);
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 8d3225a..7efe937 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -679,8 +679,7 @@
/* Some parts of this taken from generic_cont_expand, which turned out
* to be too fragile to do exactly what we need without us having to
- * worry about recursive locking in ->prepare_write() and
- * ->commit_write(). */
+ * worry about recursive locking in ->write_begin() and ->write_end(). */
static int ocfs2_write_zero_page(struct inode *inode,
u64 size)
{
diff --git a/fs/splice.c b/fs/splice.c
index a1e701c..1abab5c 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -731,8 +731,8 @@
};
/*
- * The actor worker might be calling ->prepare_write and
- * ->commit_write. Most of the time, these expect i_mutex to
+ * The actor worker might be calling ->write_begin and
+ * ->write_end. Most of the time, these expect i_mutex to
* be held. Since this may result in an ABBA deadlock with
* pipe->inode, we have to order lock acquiry here.
*/