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Diffstat (limited to 'include')
-rw-r--r--include/linux/blkdev.h4
-rw-r--r--include/linux/fscrypt.h7
-rw-r--r--include/linux/stat.h2
-rw-r--r--include/uapi/linux/stat.h4
4 files changed, 11 insertions, 6 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 84b13fdd34a7..8038c5fbde40 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1498,6 +1498,7 @@ int sync_blockdev(struct block_device *bdev);
int sync_blockdev_range(struct block_device *bdev, loff_t lstart, loff_t lend);
int sync_blockdev_nowait(struct block_device *bdev);
void sync_bdevs(bool wait);
+void bdev_statx_dioalign(struct inode *inode, struct kstat *stat);
void printk_all_partitions(void);
#else
static inline void invalidate_bdev(struct block_device *bdev)
@@ -1514,6 +1515,9 @@ static inline int sync_blockdev_nowait(struct block_device *bdev)
static inline void sync_bdevs(bool wait)
{
}
+static inline void bdev_statx_dioalign(struct inode *inode, struct kstat *stat)
+{
+}
static inline void printk_all_partitions(void)
{
}
diff --git a/include/linux/fscrypt.h b/include/linux/fscrypt.h
index 1f12ebb4a69d..cad78b569c7e 100644
--- a/include/linux/fscrypt.h
+++ b/include/linux/fscrypt.h
@@ -764,7 +764,7 @@ bool fscrypt_mergeable_bio(struct bio *bio, const struct inode *inode,
bool fscrypt_mergeable_bio_bh(struct bio *bio,
const struct buffer_head *next_bh);
-bool fscrypt_dio_supported(struct kiocb *iocb, struct iov_iter *iter);
+bool fscrypt_dio_supported(struct inode *inode);
u64 fscrypt_limit_io_blocks(const struct inode *inode, u64 lblk, u64 nr_blocks);
@@ -797,11 +797,8 @@ static inline bool fscrypt_mergeable_bio_bh(struct bio *bio,
return true;
}
-static inline bool fscrypt_dio_supported(struct kiocb *iocb,
- struct iov_iter *iter)
+static inline bool fscrypt_dio_supported(struct inode *inode)
{
- const struct inode *inode = file_inode(iocb->ki_filp);
-
return !fscrypt_needs_contents_encryption(inode);
}
diff --git a/include/linux/stat.h b/include/linux/stat.h
index 7df06931f25d..ff277ced50e9 100644
--- a/include/linux/stat.h
+++ b/include/linux/stat.h
@@ -50,6 +50,8 @@ struct kstat {
struct timespec64 btime; /* File creation time */
u64 blocks;
u64 mnt_id;
+ u32 dio_mem_align;
+ u32 dio_offset_align;
};
#endif
diff --git a/include/uapi/linux/stat.h b/include/uapi/linux/stat.h
index 1500a0f58041..7cab2c65d3d7 100644
--- a/include/uapi/linux/stat.h
+++ b/include/uapi/linux/stat.h
@@ -124,7 +124,8 @@ struct statx {
__u32 stx_dev_minor;
/* 0x90 */
__u64 stx_mnt_id;
- __u64 __spare2;
+ __u32 stx_dio_mem_align; /* Memory buffer alignment for direct I/O */
+ __u32 stx_dio_offset_align; /* File offset alignment for direct I/O */
/* 0xa0 */
__u64 __spare3[12]; /* Spare space for future expansion */
/* 0x100 */
@@ -152,6 +153,7 @@ struct statx {
#define STATX_BASIC_STATS 0x000007ffU /* The stuff in the normal stat struct */
#define STATX_BTIME 0x00000800U /* Want/got stx_btime */
#define STATX_MNT_ID 0x00001000U /* Got stx_mnt_id */
+#define STATX_DIOALIGN 0x00002000U /* Want/got direct I/O alignment info */
#define STATX__RESERVED 0x80000000U /* Reserved for future struct statx expansion */