Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso...

[cascardo/linux.git] / fs / ext4 / page-io.c

diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c
index 5185fed..a6132a7 100644 (file)
--- a/fs/ext4/page-io.c
+++ b/fs/ext4/page-io.c
@@ -24,6 +24,7 @@
 #include <linux/slab.h>
 #include <linux/mm.h>
 #include <linux/backing-dev.h>
+#include <linux/fscrypto.h>
 
 #include "ext4_jbd2.h"
 #include "xattr.h"
@@ -67,7 +68,6 @@ static void ext4_finish_bio(struct bio *bio)
                struct page *page = bvec->bv_page;
 #ifdef CONFIG_EXT4_FS_ENCRYPTION
                struct page *data_page = NULL;
-               struct ext4_crypto_ctx *ctx = NULL;
 #endif
                struct buffer_head *bh, *head;
                unsigned bio_start = bvec->bv_offset;
@@ -82,8 +82,7 @@ static void ext4_finish_bio(struct bio *bio)
                if (!page->mapping) {
                        /* The bounce data pages are unmapped. */
                        data_page = page;
-                       ctx = (struct ext4_crypto_ctx *)page_private(data_page);
-                       page = ctx->w.control_page;
+                       fscrypt_pullback_bio_page(&page, false);
                }
 #endif
 
@@ -113,8 +112,8 @@ static void ext4_finish_bio(struct bio *bio)
                local_irq_restore(flags);
                if (!under_io) {
 #ifdef CONFIG_EXT4_FS_ENCRYPTION
-                       if (ctx)
-                               ext4_restore_control_page(data_page);
+                       if (data_page)
+                               fscrypt_restore_control_page(data_page);
 #endif
                        end_page_writeback(page);
                }
@@ -473,7 +472,7 @@ int ext4_bio_write_page(struct ext4_io_submit *io,
                gfp_t gfp_flags = GFP_NOFS;
 
        retry_encrypt:
-               data_page = ext4_encrypt(inode, page, gfp_flags);
+               data_page = fscrypt_encrypt_page(inode, page, gfp_flags);
                if (IS_ERR(data_page)) {
                        ret = PTR_ERR(data_page);
                        if (ret == -ENOMEM && wbc->sync_mode == WB_SYNC_ALL) {
@@ -511,7 +510,7 @@ int ext4_bio_write_page(struct ext4_io_submit *io,
        if (ret) {
        out:
                if (data_page)
-                       ext4_restore_control_page(data_page);
+                       fscrypt_restore_control_page(data_page);
                printk_ratelimited(KERN_ERR "%s: ret = %d\n", __func__, ret);
                redirty_page_for_writepage(wbc, page);
                do {