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Diffstat (limited to 'fs/ext4')
-rw-r--r--fs/ext4/ioctl.c6
-rw-r--r--fs/ext4/page-io.c8
-rw-r--r--fs/ext4/super.c8
-rw-r--r--fs/ext4/sysfs.c1
4 files changed, 14 insertions, 9 deletions
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index a0ec750018dd..0c1d1720cf1a 100644
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -1210,6 +1210,11 @@ resizefs_out:
return -EOPNOTSUPP;
return fscrypt_ioctl_get_key_status(filp, (void __user *)arg);
+ case FS_IOC_GET_ENCRYPTION_NONCE:
+ if (!ext4_has_feature_encrypt(sb))
+ return -EOPNOTSUPP;
+ return fscrypt_ioctl_get_nonce(filp, (void __user *)arg);
+
case EXT4_IOC_CLEAR_ES_CACHE:
{
if (!inode_owner_or_capable(inode))
@@ -1370,6 +1375,7 @@ long ext4_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
case FS_IOC_REMOVE_ENCRYPTION_KEY:
case FS_IOC_REMOVE_ENCRYPTION_KEY_ALL_USERS:
case FS_IOC_GET_ENCRYPTION_KEY_STATUS:
+ case FS_IOC_GET_ENCRYPTION_NONCE:
case EXT4_IOC_SHUTDOWN:
case FS_IOC_GETFSMAP:
case FS_IOC_ENABLE_VERITY:
diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c
index 68b39e75446a..de6fe969f773 100644
--- a/fs/ext4/page-io.c
+++ b/fs/ext4/page-io.c
@@ -125,11 +125,10 @@ static void ext4_finish_bio(struct bio *bio)
}
bh = head = page_buffers(page);
/*
- * We check all buffers in the page under BH_Uptodate_Lock
+ * We check all buffers in the page under b_uptodate_lock
* to avoid races with other end io clearing async_write flags
*/
- local_irq_save(flags);
- bit_spin_lock(BH_Uptodate_Lock, &head->b_state);
+ spin_lock_irqsave(&head->b_uptodate_lock, flags);
do {
if (bh_offset(bh) < bio_start ||
bh_offset(bh) + bh->b_size > bio_end) {
@@ -141,8 +140,7 @@ static void ext4_finish_bio(struct bio *bio)
if (bio->bi_status)
buffer_io_error(bh);
} while ((bh = bh->b_this_page) != head);
- bit_spin_unlock(BH_Uptodate_Lock, &head->b_state);
- local_irq_restore(flags);
+ spin_unlock_irqrestore(&head->b_uptodate_lock, flags);
if (!under_io) {
fscrypt_free_bounce_page(bounce_page);
end_page_writeback(page);
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 0c7c4adb664e..c8dff4c68141 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -43,7 +43,7 @@
#include <linux/uaccess.h>
#include <linux/iversion.h>
#include <linux/unicode.h>
-
+#include <linux/part_stat.h>
#include <linux/kthread.h>
#include <linux/freezer.h>
@@ -927,7 +927,6 @@ void ext4_update_dynamic_rev(struct super_block *sb)
static struct block_device *ext4_blkdev_get(dev_t dev, struct super_block *sb)
{
struct block_device *bdev;
- char b[BDEVNAME_SIZE];
bdev = blkdev_get_by_dev(dev, FMODE_READ|FMODE_WRITE|FMODE_EXCL, sb);
if (IS_ERR(bdev))
@@ -935,8 +934,9 @@ static struct block_device *ext4_blkdev_get(dev_t dev, struct super_block *sb)
return bdev;
fail:
- ext4_msg(sb, KERN_ERR, "failed to open journal device %s: %ld",
- __bdevname(dev, b), PTR_ERR(bdev));
+ ext4_msg(sb, KERN_ERR,
+ "failed to open journal device unknown-block(%u,%u) %ld",
+ MAJOR(dev), MINOR(dev), PTR_ERR(bdev));
return NULL;
}
diff --git a/fs/ext4/sysfs.c b/fs/ext4/sysfs.c
index d218ebdafa4a..04bfaf63752c 100644
--- a/fs/ext4/sysfs.c
+++ b/fs/ext4/sysfs.c
@@ -13,6 +13,7 @@
#include <linux/seq_file.h>
#include <linux/slab.h>
#include <linux/proc_fs.h>
+#include <linux/part_stat.h>
#include "ext4.h"
#include "ext4_jbd2.h"