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Diffstat (limited to 'fs/btrfs/file.c')
-rw-r--r--fs/btrfs/file.c14
1 files changed, 3 insertions, 11 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index ecd43ab66fa6..fd03e689a6be 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1648,7 +1648,6 @@ ssize_t btrfs_do_write_iter(struct kiocb *iocb, struct iov_iter *from,
struct file *file = iocb->ki_filp;
struct btrfs_inode *inode = BTRFS_I(file_inode(file));
ssize_t num_written, num_sync;
- const bool sync = iocb_is_dsync(iocb);
/*
* If the fs flips readonly due to some impossible error, although we
@@ -1661,9 +1660,6 @@ ssize_t btrfs_do_write_iter(struct kiocb *iocb, struct iov_iter *from,
if (encoded && (iocb->ki_flags & IOCB_NOWAIT))
return -EOPNOTSUPP;
- if (sync)
- atomic_inc(&inode->sync_writers);
-
if (encoded) {
num_written = btrfs_encoded_write(iocb, from, encoded);
num_sync = encoded->len;
@@ -1683,9 +1679,6 @@ ssize_t btrfs_do_write_iter(struct kiocb *iocb, struct iov_iter *from,
num_written = num_sync;
}
- if (sync)
- atomic_dec(&inode->sync_writers);
-
return num_written;
}
@@ -1729,9 +1722,7 @@ static int start_ordered_ops(struct inode *inode, loff_t start, loff_t end)
* several segments of stripe length (currently 64K).
*/
blk_start_plug(&plug);
- atomic_inc(&BTRFS_I(inode)->sync_writers);
ret = btrfs_fdatawrite_range(inode, start, end);
- atomic_dec(&BTRFS_I(inode)->sync_writers);
blk_finish_plug(&plug);
return ret;
@@ -3705,7 +3696,8 @@ static int btrfs_file_open(struct inode *inode, struct file *filp)
{
int ret;
- filp->f_mode |= FMODE_NOWAIT | FMODE_BUF_RASYNC | FMODE_BUF_WASYNC;
+ filp->f_mode |= FMODE_NOWAIT | FMODE_BUF_RASYNC | FMODE_BUF_WASYNC |
+ FMODE_CAN_ODIRECT;
ret = fsverity_file_open(inode, filp);
if (ret)
@@ -3821,7 +3813,7 @@ static ssize_t btrfs_file_read_iter(struct kiocb *iocb, struct iov_iter *to)
const struct file_operations btrfs_file_operations = {
.llseek = btrfs_file_llseek,
.read_iter = btrfs_file_read_iter,
- .splice_read = generic_file_splice_read,
+ .splice_read = filemap_splice_read,
.write_iter = btrfs_file_write_iter,
.splice_write = iter_file_splice_write,
.mmap = btrfs_file_mmap,