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-rw-r--r--fs/ceph/file.c28
1 files changed, 21 insertions, 7 deletions
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index 11929d2bb594..7e0190b1f821 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -1418,6 +1418,7 @@ static ssize_t ceph_write_iter(struct kiocb *iocb, struct iov_iter *from)
struct ceph_cap_flush *prealloc_cf;
ssize_t count, written = 0;
int err, want, got;
+ bool direct_lock = false;
loff_t pos;
loff_t limit = max(i_size_read(inode), fsc->max_file_size);
@@ -1428,8 +1429,11 @@ static ssize_t ceph_write_iter(struct kiocb *iocb, struct iov_iter *from)
if (!prealloc_cf)
return -ENOMEM;
+ if ((iocb->ki_flags & (IOCB_DIRECT | IOCB_APPEND)) == IOCB_DIRECT)
+ direct_lock = true;
+
retry_snap:
- if (iocb->ki_flags & IOCB_DIRECT)
+ if (direct_lock)
ceph_start_io_direct(inode);
else
ceph_start_io_write(inode);
@@ -1519,14 +1523,15 @@ retry_snap:
/* we might need to revert back to that point */
data = *from;
- if (iocb->ki_flags & IOCB_DIRECT) {
+ if (iocb->ki_flags & IOCB_DIRECT)
written = ceph_direct_read_write(iocb, &data, snapc,
&prealloc_cf);
- ceph_end_io_direct(inode);
- } else {
+ else
written = ceph_sync_write(iocb, &data, pos, snapc);
+ if (direct_lock)
+ ceph_end_io_direct(inode);
+ else
ceph_end_io_write(inode);
- }
if (written > 0)
iov_iter_advance(from, written);
ceph_put_snap_context(snapc);
@@ -1577,7 +1582,7 @@ retry_snap:
goto out_unlocked;
out:
- if (iocb->ki_flags & IOCB_DIRECT)
+ if (direct_lock)
ceph_end_io_direct(inode);
else
ceph_end_io_write(inode);
@@ -1974,6 +1979,9 @@ static ssize_t __ceph_copy_file_range(struct file *src_file, loff_t src_off,
if (ceph_test_mount_opt(src_fsc, NOCOPYFROM))
return -EOPNOTSUPP;
+ if (!src_fsc->have_copy_from2)
+ return -EOPNOTSUPP;
+
/*
* Striped file layouts require that we copy partial objects, but the
* OSD copy-from operation only supports full-object copies. Limit
@@ -2101,8 +2109,14 @@ static ssize_t __ceph_copy_file_range(struct file *src_file, loff_t src_off,
CEPH_OSD_OP_FLAG_FADVISE_NOCACHE,
&dst_oid, &dst_oloc,
CEPH_OSD_OP_FLAG_FADVISE_SEQUENTIAL |
- CEPH_OSD_OP_FLAG_FADVISE_DONTNEED, 0);
+ CEPH_OSD_OP_FLAG_FADVISE_DONTNEED,
+ dst_ci->i_truncate_seq, dst_ci->i_truncate_size,
+ CEPH_OSD_COPY_FROM_FLAG_TRUNCATE_SEQ);
if (err) {
+ if (err == -EOPNOTSUPP) {
+ src_fsc->have_copy_from2 = false;
+ pr_notice("OSDs don't support copy-from2; disabling copy offload\n");
+ }
dout("ceph_osdc_copy_from returned %d\n", err);
if (!ret)
ret = err;