From 6b9c0e8137434f2e22a109f68d4e0a66894a1e33 Mon Sep 17 00:00:00 2001 From: "Matthew Wilcox (Oracle)" Date: Fri, 25 Oct 2024 20:08:17 +0100 Subject: [PATCH] ecryptfs: Convert ecryptfs_encrypt_page() to take a folio All three callers have a folio, so pass it in and use it throughout. Signed-off-by: Matthew Wilcox (Oracle) Link: https://lore.kernel.org/r/20241025190822.1319162-8-willy@infradead.org Signed-off-by: Christian Brauner --- fs/ecryptfs/crypto.c | 12 ++++++------ fs/ecryptfs/ecryptfs_kernel.h | 2 +- fs/ecryptfs/mmap.c | 4 ++-- fs/ecryptfs/read_write.c | 2 +- 4 files changed, 10 insertions(+), 10 deletions(-) diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c index 827278525fd9..995ae3a97d52 100644 --- a/fs/ecryptfs/crypto.c +++ b/fs/ecryptfs/crypto.c @@ -392,7 +392,7 @@ out: /** * ecryptfs_encrypt_page - * @page: Page mapped from the eCryptfs inode for the file; contains + * @folio: Folio mapped from the eCryptfs inode for the file; contains * decrypted content that needs to be encrypted (to a temporary * page; not in place) and written out to the lower file * @@ -406,7 +406,7 @@ out: * * Returns zero on success; negative on error */ -int ecryptfs_encrypt_page(struct page *page) +int ecryptfs_encrypt_page(struct folio *folio) { struct inode *ecryptfs_inode; struct ecryptfs_crypt_stat *crypt_stat; @@ -416,7 +416,7 @@ int ecryptfs_encrypt_page(struct page *page) loff_t lower_offset; int rc = 0; - ecryptfs_inode = page->mapping->host; + ecryptfs_inode = folio->mapping->host; crypt_stat = &(ecryptfs_inode_to_private(ecryptfs_inode)->crypt_stat); BUG_ON(!(crypt_stat->flags & ECRYPTFS_ENCRYPTED)); @@ -431,8 +431,8 @@ int ecryptfs_encrypt_page(struct page *page) for (extent_offset = 0; extent_offset < (PAGE_SIZE / crypt_stat->extent_size); extent_offset++) { - rc = crypt_extent(crypt_stat, enc_extent_page, page, - extent_offset, ENCRYPT); + rc = crypt_extent(crypt_stat, enc_extent_page, + folio_page(folio, 0), extent_offset, ENCRYPT); if (rc) { printk(KERN_ERR "%s: Error encrypting extent; " "rc = [%d]\n", __func__, rc); @@ -440,7 +440,7 @@ int ecryptfs_encrypt_page(struct page *page) } } - lower_offset = lower_offset_for_page(crypt_stat, page); + lower_offset = lower_offset_for_page(crypt_stat, &folio->page); enc_extent_virt = kmap_local_page(enc_extent_page); rc = ecryptfs_write_lower(ecryptfs_inode, enc_extent_virt, lower_offset, PAGE_SIZE); diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h index 0cac8d3155ae..bffced0c1d8f 100644 --- a/fs/ecryptfs/ecryptfs_kernel.h +++ b/fs/ecryptfs/ecryptfs_kernel.h @@ -569,7 +569,7 @@ void ecryptfs_destroy_mount_crypt_stat( struct ecryptfs_mount_crypt_stat *mount_crypt_stat); int ecryptfs_init_crypt_ctx(struct ecryptfs_crypt_stat *crypt_stat); int ecryptfs_write_inode_size_to_metadata(struct inode *ecryptfs_inode); -int ecryptfs_encrypt_page(struct page *page); +int ecryptfs_encrypt_page(struct folio *folio); int ecryptfs_decrypt_page(struct page *page); int ecryptfs_write_metadata(struct dentry *ecryptfs_dentry, struct inode *ecryptfs_inode); diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c index 1c1eb9437505..b2c22f49ef6f 100644 --- a/fs/ecryptfs/mmap.c +++ b/fs/ecryptfs/mmap.c @@ -34,7 +34,7 @@ static int ecryptfs_writepages(struct address_space *mapping, int error; while ((folio = writeback_iter(mapping, wbc, folio, &error))) { - error = ecryptfs_encrypt_page(&folio->page); + error = ecryptfs_encrypt_page(folio); if (error) { ecryptfs_printk(KERN_WARNING, "Error encrypting folio (index [0x%.16lx])\n", @@ -476,7 +476,7 @@ static int ecryptfs_write_end(struct file *file, "zeros in page with index = [0x%.16lx]\n", index); goto out; } - rc = ecryptfs_encrypt_page(&folio->page); + rc = ecryptfs_encrypt_page(folio); if (rc) { ecryptfs_printk(KERN_WARNING, "Error encrypting page (upper " "index [0x%.16lx])\n", index); diff --git a/fs/ecryptfs/read_write.c b/fs/ecryptfs/read_write.c index 665bcd7d1c8e..b3b451c2b941 100644 --- a/fs/ecryptfs/read_write.c +++ b/fs/ecryptfs/read_write.c @@ -168,7 +168,7 @@ int ecryptfs_write(struct inode *ecryptfs_inode, char *data, loff_t offset, folio_mark_uptodate(ecryptfs_folio); folio_unlock(ecryptfs_folio); if (crypt_stat->flags & ECRYPTFS_ENCRYPTED) - rc = ecryptfs_encrypt_page(&ecryptfs_folio->page); + rc = ecryptfs_encrypt_page(ecryptfs_folio); else rc = ecryptfs_write_lower_page_segment(ecryptfs_inode, ecryptfs_folio,