diff options
Diffstat (limited to 'fs/ext4/inode.c')
| -rw-r--r-- | fs/ext4/inode.c | 37 |
1 files changed, 33 insertions, 4 deletions
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index c5b56aa719c8..78701445348f 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -42,6 +42,7 @@ #include "xattr.h" #include "acl.h" #include "truncate.h" +#include "ext4_ice.h" #include <trace/events/ext4.h> #include <trace/events/android_fs.h> @@ -389,6 +390,21 @@ static int __check_block_validity(struct inode *inode, const char *func, return 0; } +int ext4_issue_zeroout(struct inode *inode, ext4_lblk_t lblk, ext4_fsblk_t pblk, + ext4_lblk_t len) +{ + int ret; + + if (ext4_encrypted_inode(inode)) + return ext4_encrypted_zeroout(inode, lblk, pblk, len); + + ret = sb_issue_zeroout(inode->i_sb, pblk, len, GFP_NOFS); + if (ret > 0) + ret = 0; + + return ret; +} + #define check_block_validity(inode, map) \ __check_block_validity((inode), __func__, __LINE__, (map)) @@ -999,7 +1015,8 @@ static int ext4_block_write_begin(struct page *page, loff_t pos, unsigned len, ll_rw_block(READ, 1, &bh); *wait_bh++ = bh; decrypt = ext4_encrypted_inode(inode) && - S_ISREG(inode->i_mode); + S_ISREG(inode->i_mode) && + !ext4_is_ice_enabled(); } } /* @@ -3306,7 +3323,9 @@ static ssize_t ext4_ext_direct_IO(struct kiocb *iocb, struct iov_iter *iter, get_block_func = ext4_get_block_write; dio_flags = DIO_LOCKING; } -#ifdef CONFIG_EXT4_FS_ENCRYPTION +#if defined(CONFIG_EXT4_FS_ENCRYPTION) && \ +!defined(CONFIG_EXT4_FS_ICE_ENCRYPTION) + BUG_ON(ext4_encrypted_inode(inode) && S_ISREG(inode->i_mode)); #endif if (IS_DAX(inode)) @@ -3373,7 +3392,9 @@ static ssize_t ext4_direct_IO(struct kiocb *iocb, struct iov_iter *iter, size_t count = iov_iter_count(iter); ssize_t ret; -#ifdef CONFIG_EXT4_FS_ENCRYPTION +#if defined(CONFIG_EXT4_FS_ENCRYPTION) && \ +!defined(CONFIG_EXT4_FS_ICE_ENCRYPTION) + if (ext4_encrypted_inode(inode) && S_ISREG(inode->i_mode)) return 0; #endif @@ -3573,7 +3594,8 @@ static int __ext4_block_zero_page_range(handle_t *handle, if (!buffer_uptodate(bh)) goto unlock; if (S_ISREG(inode->i_mode) && - ext4_encrypted_inode(inode)) { + ext4_encrypted_inode(inode) && + !ext4_using_hardware_encryption(inode)) { /* We expect the key to be set. */ BUG_ON(!ext4_has_encryption_key(inode)); BUG_ON(blocksize != PAGE_CACHE_SIZE); @@ -3746,6 +3768,7 @@ int ext4_update_disksize_before_punch(struct inode *inode, loff_t offset, int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length) { +#if 0 struct super_block *sb = inode->i_sb; ext4_lblk_t first_block, stop_block; struct address_space *mapping = inode->i_mapping; @@ -3876,6 +3899,12 @@ out_dio: out_mutex: mutex_unlock(&inode->i_mutex); return ret; +#else + /* + * Disabled as per b/28760453 + */ + return -EOPNOTSUPP; +#endif } int ext4_inode_attach_jinode(struct inode *inode) |