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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:11:22 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:11:22 +0000
commitb20732900e4636a467c0183a47f7396700f5f743 (patch)
tree42f079ff82e701ebcb76829974b4caca3e5b6798 /block/fops.c
parentAdding upstream version 6.8.12. (diff)
downloadlinux-b20732900e4636a467c0183a47f7396700f5f743.tar.xz
linux-b20732900e4636a467c0183a47f7396700f5f743.zip
Adding upstream version 6.9.7.upstream/6.9.7
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'block/fops.c')
-rw-r--r--block/fops.c51
1 files changed, 24 insertions, 27 deletions
diff --git a/block/fops.c b/block/fops.c
index 7998210406..df2c68d3f1 100644
--- a/block/fops.c
+++ b/block/fops.c
@@ -73,6 +73,7 @@ static ssize_t __blkdev_direct_IO_simple(struct kiocb *iocb,
bio_init(&bio, bdev, vecs, nr_pages, dio_bio_write_op(iocb));
}
bio.bi_iter.bi_sector = pos >> SECTOR_SHIFT;
+ bio.bi_write_hint = file_inode(iocb->ki_filp)->i_write_hint;
bio.bi_ioprio = iocb->ki_ioprio;
ret = bio_iov_iter_get_pages(&bio, iter);
@@ -203,6 +204,7 @@ static ssize_t __blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter,
for (;;) {
bio->bi_iter.bi_sector = pos >> SECTOR_SHIFT;
+ bio->bi_write_hint = file_inode(iocb->ki_filp)->i_write_hint;
bio->bi_private = dio;
bio->bi_end_io = blkdev_bio_end_io;
bio->bi_ioprio = iocb->ki_ioprio;
@@ -321,6 +323,7 @@ static ssize_t __blkdev_direct_IO_async(struct kiocb *iocb,
dio->flags = 0;
dio->iocb = iocb;
bio->bi_iter.bi_sector = pos >> SECTOR_SHIFT;
+ bio->bi_write_hint = file_inode(iocb->ki_filp)->i_write_hint;
bio->bi_end_io = blkdev_bio_end_io_async;
bio->bi_ioprio = iocb->ki_ioprio;
@@ -482,7 +485,7 @@ static void blkdev_readahead(struct readahead_control *rac)
}
static int blkdev_map_blocks(struct iomap_writepage_ctx *wpc,
- struct inode *inode, loff_t offset)
+ struct inode *inode, loff_t offset, unsigned int len)
{
loff_t isize = i_size_read(inode);
@@ -569,18 +572,17 @@ static int blkdev_fsync(struct file *filp, loff_t start, loff_t end,
blk_mode_t file_to_blk_mode(struct file *file)
{
blk_mode_t mode = 0;
- struct bdev_handle *handle = file->private_data;
if (file->f_mode & FMODE_READ)
mode |= BLK_OPEN_READ;
if (file->f_mode & FMODE_WRITE)
mode |= BLK_OPEN_WRITE;
/*
- * do_dentry_open() clears O_EXCL from f_flags, use handle->mode to
- * determine whether the open was exclusive for already open files.
+ * do_dentry_open() clears O_EXCL from f_flags, use file->private_data
+ * to determine whether the open was exclusive for already open files.
*/
- if (handle)
- mode |= handle->mode & BLK_OPEN_EXCL;
+ if (file->private_data)
+ mode |= BLK_OPEN_EXCL;
else if (file->f_flags & O_EXCL)
mode |= BLK_OPEN_EXCL;
if (file->f_flags & O_NDELAY)
@@ -599,36 +601,31 @@ blk_mode_t file_to_blk_mode(struct file *file)
static int blkdev_open(struct inode *inode, struct file *filp)
{
- struct bdev_handle *handle;
+ struct block_device *bdev;
blk_mode_t mode;
-
- /*
- * Preserve backwards compatibility and allow large file access
- * even if userspace doesn't ask for it explicitly. Some mkfs
- * binary needs it. We might want to drop this workaround
- * during an unstable branch.
- */
- filp->f_flags |= O_LARGEFILE;
- filp->f_mode |= FMODE_BUF_RASYNC | FMODE_CAN_ODIRECT;
+ int ret;
mode = file_to_blk_mode(filp);
- handle = bdev_open_by_dev(inode->i_rdev, mode,
- mode & BLK_OPEN_EXCL ? filp : NULL, NULL);
- if (IS_ERR(handle))
- return PTR_ERR(handle);
+ /* Use the file as the holder. */
+ if (mode & BLK_OPEN_EXCL)
+ filp->private_data = filp;
+ ret = bdev_permission(inode->i_rdev, mode, filp->private_data);
+ if (ret)
+ return ret;
- if (bdev_nowait(handle->bdev))
- filp->f_mode |= FMODE_NOWAIT;
+ bdev = blkdev_get_no_open(inode->i_rdev);
+ if (!bdev)
+ return -ENXIO;
- filp->f_mapping = handle->bdev->bd_inode->i_mapping;
- filp->f_wb_err = filemap_sample_wb_err(filp->f_mapping);
- filp->private_data = handle;
- return 0;
+ ret = bdev_open(bdev, mode, filp->private_data, NULL, filp);
+ if (ret)
+ blkdev_put_no_open(bdev);
+ return ret;
}
static int blkdev_release(struct inode *inode, struct file *filp)
{
- bdev_release(filp->private_data);
+ bdev_release(filp);
return 0;
}