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[RFC,v10,40/48] ceph: don't use special DIO path for encrypted inodes

Message ID 20220111191608.88762-41-jlayton@kernel.org
State Superseded
Headers show
Series ceph+fscrypt: full support | expand

Commit Message

Jeff Layton Jan. 11, 2022, 7:16 p.m. UTC 
Eventually I want to merge the synchronous and direct read codepaths,
possibly via new netfs infrastructure. For now, the direct path is not
crypto-enabled, so use the sync read/write paths instead.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
---
 fs/ceph/file.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
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Patch

diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index 1711fde46548..b74c9bf2cef1 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -1631,7 +1631,9 @@  static ssize_t ceph_read_iter(struct kiocb *iocb, struct iov_iter *to)
 		     ceph_cap_string(got));
 
 		if (ci->i_inline_version == CEPH_INLINE_NONE) {
-			if (!retry_op && (iocb->ki_flags & IOCB_DIRECT)) {
+			if (!retry_op &&
+			    (iocb->ki_flags & IOCB_DIRECT) &&
+			    !IS_ENCRYPTED(inode)) {
 				ret = ceph_direct_read_write(iocb, to,
 							     NULL, NULL);
 				if (ret >= 0 && ret < len)
@@ -1863,7 +1865,7 @@  static ssize_t ceph_write_iter(struct kiocb *iocb, struct iov_iter *from)
 
 		/* we might need to revert back to that point */
 		data = *from;
-		if (iocb->ki_flags & IOCB_DIRECT)
+		if ((iocb->ki_flags & IOCB_DIRECT) && !IS_ENCRYPTED(inode))
 			written = ceph_direct_read_write(iocb, &data, snapc,
 							 &prealloc_cf);
 		else