diff --git a/cryptfs.cpp b/cryptfs.cpp
index 5d1453f..6319362 100644
--- a/cryptfs.cpp
+++ b/cryptfs.cpp
@@ -59,6 +59,7 @@
 #include "Ext4Crypt.h"
 #include "f2fs_sparseblock.h"
 #include "CheckBattery.h"
+#include "EncryptInplace.h"
 #include "Process.h"
 #include "Keymaster.h"
 #include "android-base/properties.h"
@@ -1979,610 +1980,6 @@
     return rc;
 }
 
-#define CRYPT_INPLACE_BUFSIZE 4096
-#define CRYPT_SECTORS_PER_BUFSIZE (CRYPT_INPLACE_BUFSIZE / CRYPT_SECTOR_SIZE)
-#define CRYPT_SECTOR_SIZE 512
-
-/* aligned 32K writes tends to make flash happy.
- * SD card association recommends it.
- */
-#define BLOCKS_AT_A_TIME 8
-
-struct encryptGroupsData
-{
-    int realfd;
-    int cryptofd;
-    off64_t numblocks;
-    off64_t one_pct, cur_pct, new_pct;
-    off64_t blocks_already_done, tot_numblocks;
-    off64_t used_blocks_already_done, tot_used_blocks;
-    char* real_blkdev, * crypto_blkdev;
-    int count;
-    off64_t offset;
-    char* buffer;
-    off64_t last_written_sector;
-    int completed;
-    time_t time_started;
-    int remaining_time;
-};
-
-static void update_progress(struct encryptGroupsData* data, int is_used)
-{
-    data->blocks_already_done++;
-
-    if (is_used) {
-        data->used_blocks_already_done++;
-    }
-    if (data->tot_used_blocks) {
-        data->new_pct = data->used_blocks_already_done / data->one_pct;
-    } else {
-        data->new_pct = data->blocks_already_done / data->one_pct;
-    }
-
-    if (data->new_pct > data->cur_pct) {
-        char buf[8];
-        data->cur_pct = data->new_pct;
-        snprintf(buf, sizeof(buf), "%" PRId64, data->cur_pct);
-        property_set("vold.encrypt_progress", buf);
-    }
-
-    if (data->cur_pct >= 5) {
-        struct timespec time_now;
-        if (clock_gettime(CLOCK_MONOTONIC, &time_now)) {
-            SLOGW("Error getting time");
-        } else {
-            double elapsed_time = difftime(time_now.tv_sec, data->time_started);
-            off64_t remaining_blocks = data->tot_used_blocks
-                                       - data->used_blocks_already_done;
-            int remaining_time = (int)(elapsed_time * remaining_blocks
-                                       / data->used_blocks_already_done);
-
-            // Change time only if not yet set, lower, or a lot higher for
-            // best user experience
-            if (data->remaining_time == -1
-                || remaining_time < data->remaining_time
-                || remaining_time > data->remaining_time + 60) {
-                char buf[8];
-                snprintf(buf, sizeof(buf), "%d", remaining_time);
-                property_set("vold.encrypt_time_remaining", buf);
-                data->remaining_time = remaining_time;
-            }
-        }
-    }
-}
-
-static void log_progress(struct encryptGroupsData const* data, bool completed)
-{
-    // Precondition - if completed data = 0 else data != 0
-
-    // Track progress so we can skip logging blocks
-    static off64_t offset = -1;
-
-    // Need to close existing 'Encrypting from' log?
-    if (completed || (offset != -1 && data->offset != offset)) {
-        SLOGI("Encrypted to sector %" PRId64,
-              offset / info.block_size * CRYPT_SECTOR_SIZE);
-        offset = -1;
-    }
-
-    // Need to start new 'Encrypting from' log?
-    if (!completed && offset != data->offset) {
-        SLOGI("Encrypting from sector %" PRId64,
-              data->offset / info.block_size * CRYPT_SECTOR_SIZE);
-    }
-
-    // Update offset
-    if (!completed) {
-        offset = data->offset + (off64_t)data->count * info.block_size;
-    }
-}
-
-static int flush_outstanding_data(struct encryptGroupsData* data)
-{
-    if (data->count == 0) {
-        return 0;
-    }
-
-    SLOGV("Copying %d blocks at offset %" PRIx64, data->count, data->offset);
-
-    if (pread64(data->realfd, data->buffer,
-                info.block_size * data->count, data->offset)
-        <= 0) {
-        SLOGE("Error reading real_blkdev %s for inplace encrypt",
-              data->real_blkdev);
-        return -1;
-    }
-
-    if (pwrite64(data->cryptofd, data->buffer,
-                 info.block_size * data->count, data->offset)
-        <= 0) {
-        SLOGE("Error writing crypto_blkdev %s for inplace encrypt",
-              data->crypto_blkdev);
-        return -1;
-    } else {
-      log_progress(data, false);
-    }
-
-    data->count = 0;
-    data->last_written_sector = (data->offset + data->count)
-                                / info.block_size * CRYPT_SECTOR_SIZE - 1;
-    return 0;
-}
-
-static int encrypt_groups(struct encryptGroupsData* data)
-{
-    unsigned int i;
-    u8 *block_bitmap = 0;
-    unsigned int block;
-    off64_t ret;
-    int rc = -1;
-
-    data->buffer = (char *)malloc(info.block_size * BLOCKS_AT_A_TIME);
-    if (!data->buffer) {
-        SLOGE("Failed to allocate crypto buffer");
-        goto errout;
-    }
-
-    block_bitmap = (u8 *)malloc(info.block_size);
-    if (!block_bitmap) {
-        SLOGE("failed to allocate block bitmap");
-        goto errout;
-    }
-
-    for (i = 0; i < aux_info.groups; ++i) {
-        SLOGI("Encrypting group %d", i);
-
-        u32 first_block = aux_info.first_data_block + i * info.blocks_per_group;
-        u32 block_count = std::min(info.blocks_per_group,
-                                   (u32)(aux_info.len_blocks - first_block));
-
-        off64_t offset = (u64)info.block_size
-                         * aux_info.bg_desc[i].bg_block_bitmap;
-
-        ret = pread64(data->realfd, block_bitmap, info.block_size, offset);
-        if (ret != (int)info.block_size) {
-            SLOGE("failed to read all of block group bitmap %d", i);
-            goto errout;
-        }
-
-        offset = (u64)info.block_size * first_block;
-
-        data->count = 0;
-
-        for (block = 0; block < block_count; block++) {
-            int used = (aux_info.bg_desc[i].bg_flags & EXT4_BG_BLOCK_UNINIT) ?
-                    0 : bitmap_get_bit(block_bitmap, block);
-            update_progress(data, used);
-            if (used) {
-                if (data->count == 0) {
-                    data->offset = offset;
-                }
-                data->count++;
-            } else {
-                if (flush_outstanding_data(data)) {
-                    goto errout;
-                }
-            }
-
-            offset += info.block_size;
-
-            /* Write data if we are aligned or buffer size reached */
-            if (offset % (info.block_size * BLOCKS_AT_A_TIME) == 0
-                || data->count == BLOCKS_AT_A_TIME) {
-                if (flush_outstanding_data(data)) {
-                    goto errout;
-                }
-            }
-
-            if (!is_battery_ok_to_continue()) {
-                SLOGE("Stopping encryption due to low battery");
-                rc = 0;
-                goto errout;
-            }
-
-        }
-        if (flush_outstanding_data(data)) {
-            goto errout;
-        }
-    }
-
-    data->completed = 1;
-    rc = 0;
-
-errout:
-    log_progress(0, true);
-    free(data->buffer);
-    free(block_bitmap);
-    return rc;
-}
-
-static int cryptfs_enable_inplace_ext4(char *crypto_blkdev,
-                                       char *real_blkdev,
-                                       off64_t size,
-                                       off64_t *size_already_done,
-                                       off64_t tot_size,
-                                       off64_t previously_encrypted_upto)
-{
-    u32 i;
-    struct encryptGroupsData data;
-    int rc; // Can't initialize without causing warning -Wclobbered
-    struct timespec time_started = {0};
-    int retries = RETRY_MOUNT_ATTEMPTS;
-
-    if (previously_encrypted_upto > *size_already_done) {
-        SLOGD("Not fast encrypting since resuming part way through");
-        return -1;
-    }
-
-    memset(&data, 0, sizeof(data));
-    data.real_blkdev = real_blkdev;
-    data.crypto_blkdev = crypto_blkdev;
-
-    if ( (data.realfd = open(real_blkdev, O_RDWR|O_CLOEXEC)) < 0) {
-        SLOGE("Error opening real_blkdev %s for inplace encrypt. err=%d(%s)\n",
-              real_blkdev, errno, strerror(errno));
-        rc = -1;
-        goto errout;
-    }
-
-    // Wait until the block device appears.  Re-use the mount retry values since it is reasonable.
-    while ((data.cryptofd = open(crypto_blkdev, O_WRONLY|O_CLOEXEC)) < 0) {
-        if (--retries) {
-            SLOGE("Error opening crypto_blkdev %s for ext4 inplace encrypt. err=%d(%s), retrying\n",
-                  crypto_blkdev, errno, strerror(errno));
-            sleep(RETRY_MOUNT_DELAY_SECONDS);
-        } else {
-            SLOGE("Error opening crypto_blkdev %s for ext4 inplace encrypt. err=%d(%s)\n",
-                  crypto_blkdev, errno, strerror(errno));
-            rc = ENABLE_INPLACE_ERR_DEV;
-            goto errout;
-        }
-    }
-
-    if (setjmp(setjmp_env)) { // NOLINT
-        SLOGE("Reading ext4 extent caused an exception\n");
-        rc = -1;
-        goto errout;
-    }
-
-    if (read_ext(data.realfd, 0) != 0) {
-        SLOGE("Failed to read ext4 extent\n");
-        rc = -1;
-        goto errout;
-    }
-
-    data.numblocks = size / CRYPT_SECTORS_PER_BUFSIZE;
-    data.tot_numblocks = tot_size / CRYPT_SECTORS_PER_BUFSIZE;
-    data.blocks_already_done = *size_already_done / CRYPT_SECTORS_PER_BUFSIZE;
-
-    SLOGI("Encrypting ext4 filesystem in place...");
-
-    data.tot_used_blocks = data.numblocks;
-    for (i = 0; i < aux_info.groups; ++i) {
-      data.tot_used_blocks -= aux_info.bg_desc[i].bg_free_blocks_count;
-    }
-
-    data.one_pct = data.tot_used_blocks / 100;
-    data.cur_pct = 0;
-
-    if (clock_gettime(CLOCK_MONOTONIC, &time_started)) {
-        SLOGW("Error getting time at start");
-        // Note - continue anyway - we'll run with 0
-    }
-    data.time_started = time_started.tv_sec;
-    data.remaining_time = -1;
-
-    rc = encrypt_groups(&data);
-    if (rc) {
-        SLOGE("Error encrypting groups");
-        goto errout;
-    }
-
-    *size_already_done += data.completed ? size : data.last_written_sector;
-    rc = 0;
-
-errout:
-    close(data.realfd);
-    close(data.cryptofd);
-
-    return rc;
-}
-
-static void log_progress_f2fs(u64 block, bool completed)
-{
-    // Precondition - if completed data = 0 else data != 0
-
-    // Track progress so we can skip logging blocks
-    static u64 last_block = (u64)-1;
-
-    // Need to close existing 'Encrypting from' log?
-    if (completed || (last_block != (u64)-1 && block != last_block + 1)) {
-        SLOGI("Encrypted to block %" PRId64, last_block);
-        last_block = -1;
-    }
-
-    // Need to start new 'Encrypting from' log?
-    if (!completed && (last_block == (u64)-1 || block != last_block + 1)) {
-        SLOGI("Encrypting from block %" PRId64, block);
-    }
-
-    // Update offset
-    if (!completed) {
-        last_block = block;
-    }
-}
-
-static int encrypt_one_block_f2fs(u64 pos, void *data)
-{
-    struct encryptGroupsData *priv_dat = (struct encryptGroupsData *)data;
-
-    priv_dat->blocks_already_done = pos - 1;
-    update_progress(priv_dat, 1);
-
-    off64_t offset = pos * CRYPT_INPLACE_BUFSIZE;
-
-    if (pread64(priv_dat->realfd, priv_dat->buffer, CRYPT_INPLACE_BUFSIZE, offset) <= 0) {
-        SLOGE("Error reading real_blkdev %s for f2fs inplace encrypt", priv_dat->crypto_blkdev);
-        return -1;
-    }
-
-    if (pwrite64(priv_dat->cryptofd, priv_dat->buffer, CRYPT_INPLACE_BUFSIZE, offset) <= 0) {
-        SLOGE("Error writing crypto_blkdev %s for f2fs inplace encrypt", priv_dat->crypto_blkdev);
-        return -1;
-    } else {
-        log_progress_f2fs(pos, false);
-    }
-
-    return 0;
-}
-
-static int cryptfs_enable_inplace_f2fs(char *crypto_blkdev,
-                                       char *real_blkdev,
-                                       off64_t size,
-                                       off64_t *size_already_done,
-                                       off64_t tot_size,
-                                       off64_t previously_encrypted_upto)
-{
-    struct encryptGroupsData data;
-    struct f2fs_info *f2fs_info = NULL;
-    int rc = ENABLE_INPLACE_ERR_OTHER;
-    if (previously_encrypted_upto > *size_already_done) {
-        SLOGD("Not fast encrypting since resuming part way through");
-        return ENABLE_INPLACE_ERR_OTHER;
-    }
-    memset(&data, 0, sizeof(data));
-    data.real_blkdev = real_blkdev;
-    data.crypto_blkdev = crypto_blkdev;
-    data.realfd = -1;
-    data.cryptofd = -1;
-    if ( (data.realfd = open64(real_blkdev, O_RDWR|O_CLOEXEC)) < 0) {
-        SLOGE("Error opening real_blkdev %s for f2fs inplace encrypt\n",
-              real_blkdev);
-        goto errout;
-    }
-    if ( (data.cryptofd = open64(crypto_blkdev, O_WRONLY|O_CLOEXEC)) < 0) {
-        SLOGE("Error opening crypto_blkdev %s for f2fs inplace encrypt. err=%d(%s)\n",
-              crypto_blkdev, errno, strerror(errno));
-        rc = ENABLE_INPLACE_ERR_DEV;
-        goto errout;
-    }
-
-    f2fs_info = generate_f2fs_info(data.realfd);
-    if (!f2fs_info)
-      goto errout;
-
-    data.numblocks = size / CRYPT_SECTORS_PER_BUFSIZE;
-    data.tot_numblocks = tot_size / CRYPT_SECTORS_PER_BUFSIZE;
-    data.blocks_already_done = *size_already_done / CRYPT_SECTORS_PER_BUFSIZE;
-
-    data.tot_used_blocks = get_num_blocks_used(f2fs_info);
-
-    data.one_pct = data.tot_used_blocks / 100;
-    data.cur_pct = 0;
-    data.time_started = time(NULL);
-    data.remaining_time = -1;
-
-    data.buffer = (char *)malloc(f2fs_info->block_size);
-    if (!data.buffer) {
-        SLOGE("Failed to allocate crypto buffer");
-        goto errout;
-    }
-
-    data.count = 0;
-
-    /* Currently, this either runs to completion, or hits a nonrecoverable error */
-    rc = run_on_used_blocks(data.blocks_already_done, f2fs_info, &encrypt_one_block_f2fs, &data);
-
-    if (rc) {
-        SLOGE("Error in running over f2fs blocks");
-        rc = ENABLE_INPLACE_ERR_OTHER;
-        goto errout;
-    }
-
-    *size_already_done += size;
-    rc = 0;
-
-errout:
-    if (rc)
-        SLOGE("Failed to encrypt f2fs filesystem on %s", real_blkdev);
-
-    log_progress_f2fs(0, true);
-    free(f2fs_info);
-    free(data.buffer);
-    close(data.realfd);
-    close(data.cryptofd);
-
-    return rc;
-}
-
-static int cryptfs_enable_inplace_full(char *crypto_blkdev, char *real_blkdev,
-                                       off64_t size, off64_t *size_already_done,
-                                       off64_t tot_size,
-                                       off64_t previously_encrypted_upto)
-{
-    int realfd, cryptofd;
-    char *buf[CRYPT_INPLACE_BUFSIZE];
-    int rc = ENABLE_INPLACE_ERR_OTHER;
-    off64_t numblocks, i, remainder;
-    off64_t one_pct, cur_pct, new_pct;
-    off64_t blocks_already_done, tot_numblocks;
-
-    if ( (realfd = open(real_blkdev, O_RDONLY|O_CLOEXEC)) < 0) {
-        SLOGE("Error opening real_blkdev %s for inplace encrypt\n", real_blkdev);
-        return ENABLE_INPLACE_ERR_OTHER;
-    }
-
-    if ( (cryptofd = open(crypto_blkdev, O_WRONLY|O_CLOEXEC)) < 0) {
-        SLOGE("Error opening crypto_blkdev %s for inplace encrypt. err=%d(%s)\n",
-              crypto_blkdev, errno, strerror(errno));
-        close(realfd);
-        return ENABLE_INPLACE_ERR_DEV;
-    }
-
-    /* This is pretty much a simple loop of reading 4K, and writing 4K.
-     * The size passed in is the number of 512 byte sectors in the filesystem.
-     * So compute the number of whole 4K blocks we should read/write,
-     * and the remainder.
-     */
-    numblocks = size / CRYPT_SECTORS_PER_BUFSIZE;
-    remainder = size % CRYPT_SECTORS_PER_BUFSIZE;
-    tot_numblocks = tot_size / CRYPT_SECTORS_PER_BUFSIZE;
-    blocks_already_done = *size_already_done / CRYPT_SECTORS_PER_BUFSIZE;
-
-    SLOGE("Encrypting filesystem in place...");
-
-    i = previously_encrypted_upto + 1 - *size_already_done;
-
-    if (lseek64(realfd, i * CRYPT_SECTOR_SIZE, SEEK_SET) < 0) {
-        SLOGE("Cannot seek to previously encrypted point on %s", real_blkdev);
-        goto errout;
-    }
-
-    if (lseek64(cryptofd, i * CRYPT_SECTOR_SIZE, SEEK_SET) < 0) {
-        SLOGE("Cannot seek to previously encrypted point on %s", crypto_blkdev);
-        goto errout;
-    }
-
-    for (;i < size && i % CRYPT_SECTORS_PER_BUFSIZE != 0; ++i) {
-        if (unix_read(realfd, buf, CRYPT_SECTOR_SIZE) <= 0) {
-            SLOGE("Error reading initial sectors from real_blkdev %s for "
-                  "inplace encrypt\n", crypto_blkdev);
-            goto errout;
-        }
-        if (unix_write(cryptofd, buf, CRYPT_SECTOR_SIZE) <= 0) {
-            SLOGE("Error writing initial sectors to crypto_blkdev %s for "
-                  "inplace encrypt\n", crypto_blkdev);
-            goto errout;
-        } else {
-            SLOGI("Encrypted 1 block at %" PRId64, i);
-        }
-    }
-
-    one_pct = tot_numblocks / 100;
-    cur_pct = 0;
-    /* process the majority of the filesystem in blocks */
-    for (i/=CRYPT_SECTORS_PER_BUFSIZE; i<numblocks; i++) {
-        new_pct = (i + blocks_already_done) / one_pct;
-        if (new_pct > cur_pct) {
-            char buf[8];
-
-            cur_pct = new_pct;
-            snprintf(buf, sizeof(buf), "%" PRId64, cur_pct);
-            property_set("vold.encrypt_progress", buf);
-        }
-        if (unix_read(realfd, buf, CRYPT_INPLACE_BUFSIZE) <= 0) {
-            SLOGE("Error reading real_blkdev %s for inplace encrypt", crypto_blkdev);
-            goto errout;
-        }
-        if (unix_write(cryptofd, buf, CRYPT_INPLACE_BUFSIZE) <= 0) {
-            SLOGE("Error writing crypto_blkdev %s for inplace encrypt", crypto_blkdev);
-            goto errout;
-        } else {
-            SLOGD("Encrypted %d block at %" PRId64,
-                  CRYPT_SECTORS_PER_BUFSIZE,
-                  i * CRYPT_SECTORS_PER_BUFSIZE);
-        }
-
-       if (!is_battery_ok_to_continue()) {
-            SLOGE("Stopping encryption due to low battery");
-            *size_already_done += (i + 1) * CRYPT_SECTORS_PER_BUFSIZE - 1;
-            rc = 0;
-            goto errout;
-        }
-    }
-
-    /* Do any remaining sectors */
-    for (i=0; i<remainder; i++) {
-        if (unix_read(realfd, buf, CRYPT_SECTOR_SIZE) <= 0) {
-            SLOGE("Error reading final sectors from real_blkdev %s for inplace encrypt", crypto_blkdev);
-            goto errout;
-        }
-        if (unix_write(cryptofd, buf, CRYPT_SECTOR_SIZE) <= 0) {
-            SLOGE("Error writing final sectors to crypto_blkdev %s for inplace encrypt", crypto_blkdev);
-            goto errout;
-        } else {
-            SLOGI("Encrypted 1 block at next location");
-        }
-    }
-
-    *size_already_done += size;
-    rc = 0;
-
-errout:
-    close(realfd);
-    close(cryptofd);
-
-    return rc;
-}
-
-/* returns on of the ENABLE_INPLACE_* return codes */
-static int cryptfs_enable_inplace(char *crypto_blkdev, char *real_blkdev,
-                                  off64_t size, off64_t *size_already_done,
-                                  off64_t tot_size,
-                                  off64_t previously_encrypted_upto)
-{
-    int rc_ext4, rc_f2fs, rc_full;
-    if (previously_encrypted_upto) {
-        SLOGD("Continuing encryption from %" PRId64, previously_encrypted_upto);
-    }
-
-    if (*size_already_done + size < previously_encrypted_upto) {
-        *size_already_done += size;
-        return 0;
-    }
-
-    /* TODO: identify filesystem type.
-     * As is, cryptfs_enable_inplace_ext4 will fail on an f2fs partition, and
-     * then we will drop down to cryptfs_enable_inplace_f2fs.
-     * */
-    if ((rc_ext4 = cryptfs_enable_inplace_ext4(crypto_blkdev, real_blkdev,
-                                size, size_already_done,
-                                tot_size, previously_encrypted_upto)) == 0) {
-      return 0;
-    }
-    SLOGD("cryptfs_enable_inplace_ext4()=%d\n", rc_ext4);
-
-    if ((rc_f2fs = cryptfs_enable_inplace_f2fs(crypto_blkdev, real_blkdev,
-                                size, size_already_done,
-                                tot_size, previously_encrypted_upto)) == 0) {
-      return 0;
-    }
-    SLOGD("cryptfs_enable_inplace_f2fs()=%d\n", rc_f2fs);
-
-    rc_full = cryptfs_enable_inplace_full(crypto_blkdev, real_blkdev,
-                                       size, size_already_done, tot_size,
-                                       previously_encrypted_upto);
-    SLOGD("cryptfs_enable_inplace_full()=%d\n", rc_full);
-
-    /* Hack for b/17898962, the following is the symptom... */
-    if (rc_ext4 == ENABLE_INPLACE_ERR_DEV
-        && rc_f2fs == ENABLE_INPLACE_ERR_DEV
-        && rc_full == ENABLE_INPLACE_ERR_DEV) {
-            return ENABLE_INPLACE_ERR_DEV;
-    }
-    return rc_full;
-}
-
 #define CRYPTO_ENABLE_WIPE 1
 #define CRYPTO_ENABLE_INPLACE 2
 
@@ -3497,11 +2894,6 @@
     }
 }
 
-int cryptfs_enable_file()
-{
-    return e4crypt_initialize_global_de();
-}
-
 int cryptfs_isConvertibleToFBE()
 {
     struct fstab_rec* rec = fs_mgr_get_entry_for_mount_point(fstab, DATA_MNT_POINT);