From: xiubli@redhat.com
To: idryomov@gmail.com, ceph-devel@vger.kernel.org
Cc: jlayton@kernel.org, lhenriques@suse.de, vshankar@redhat.com,
mchangir@redhat.com, Xiubo Li <xiubli@redhat.com>
Subject: [PATCH v16 47/68] ceph: add object version support for sync read
Date: Mon, 27 Feb 2023 11:27:52 +0800 [thread overview]
Message-ID: <20230227032813.337906-48-xiubli@redhat.com> (raw)
In-Reply-To: <20230227032813.337906-1-xiubli@redhat.com>
From: Xiubo Li <xiubli@redhat.com>
Always return the last object's version.
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
---
fs/ceph/file.c | 12 ++++++++++--
fs/ceph/super.h | 3 ++-
2 files changed, 12 insertions(+), 3 deletions(-)
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index aef7df364fea..0b1206eeb3b1 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -961,7 +961,8 @@ enum {
* only return a short read to the caller if we hit EOF.
*/
ssize_t __ceph_sync_read(struct inode *inode, loff_t *ki_pos,
- struct iov_iter *to, int *retry_op)
+ struct iov_iter *to, int *retry_op,
+ u64 *last_objver)
{
struct ceph_inode_info *ci = ceph_inode(inode);
struct ceph_fs_client *fsc = ceph_inode_to_client(inode);
@@ -971,6 +972,7 @@ ssize_t __ceph_sync_read(struct inode *inode, loff_t *ki_pos,
u64 len = iov_iter_count(to);
u64 i_size = i_size_read(inode);
bool sparse = ceph_test_mount_opt(fsc, SPARSEREAD);
+ u64 objver = 0;
dout("sync_read on inode %p %llx~%llx\n", inode, *ki_pos, len);
@@ -1043,6 +1045,9 @@ ssize_t __ceph_sync_read(struct inode *inode, loff_t *ki_pos,
req->r_end_latency,
len, ret);
+ if (ret > 0)
+ objver = req->r_version;
+
i_size = i_size_read(inode);
dout("sync_read %llu~%llu got %zd i_size %llu%s\n",
off, len, ret, i_size, (more ? " MORE" : ""));
@@ -1104,6 +1109,9 @@ ssize_t __ceph_sync_read(struct inode *inode, loff_t *ki_pos,
}
}
+ if (last_objver && ret > 0)
+ *last_objver = objver;
+
dout("sync_read result %zd retry_op %d\n", ret, *retry_op);
return ret;
}
@@ -1117,7 +1125,7 @@ static ssize_t ceph_sync_read(struct kiocb *iocb, struct iov_iter *to,
dout("sync_read on file %p %llx~%zx %s\n", file, iocb->ki_pos,
iov_iter_count(to), (file->f_flags & O_DIRECT) ? "O_DIRECT" : "");
- return __ceph_sync_read(inode, &iocb->ki_pos, to, retry_op);
+ return __ceph_sync_read(inode, &iocb->ki_pos, to, retry_op, NULL);
}
struct ceph_aio_request {
diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index cdf019e8a17c..38f99eaf083e 100644
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -1287,7 +1287,8 @@ extern int ceph_open(struct inode *inode, struct file *file);
extern int ceph_atomic_open(struct inode *dir, struct dentry *dentry,
struct file *file, unsigned flags, umode_t mode);
extern ssize_t __ceph_sync_read(struct inode *inode, loff_t *ki_pos,
- struct iov_iter *to, int *retry_op);
+ struct iov_iter *to, int *retry_op,
+ u64 *last_objver);
extern int ceph_release(struct inode *inode, struct file *filp);
extern void ceph_fill_inline_data(struct inode *inode, struct page *locked_page,
char *data, size_t len);
--
2.31.1
next prev parent reply other threads:[~2023-02-27 3:32 UTC|newest]
Thread overview: 84+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-27 3:27 [PATCH v16 00/68] ceph+fscrypt: full support xiubli
2023-02-27 3:27 ` [PATCH v16 01/68] libceph: add spinlock around osd->o_requests xiubli
2023-02-27 3:27 ` [PATCH v16 02/68] libceph: define struct ceph_sparse_extent and add some helpers xiubli
2023-02-27 3:27 ` [PATCH v16 03/68] libceph: add sparse read support to msgr2 crc state machine xiubli
2023-02-27 3:27 ` [PATCH v16 04/68] libceph: add sparse read support to OSD client xiubli
2023-02-27 3:27 ` [PATCH v16 05/68] libceph: support sparse reads on msgr2 secure codepath xiubli
2023-02-27 3:27 ` [PATCH v16 06/68] libceph: add sparse read support to msgr1 xiubli
2023-02-27 3:27 ` [PATCH v16 07/68] ceph: add new mount option to enable sparse reads xiubli
2023-02-27 3:27 ` [PATCH v16 08/68] ceph: preallocate inode for ops that may create one xiubli
2023-02-27 3:27 ` [PATCH v16 09/68] ceph: make ceph_msdc_build_path use ref-walk xiubli
2023-02-27 3:27 ` [PATCH v16 10/68] libceph: add new iov_iter-based ceph_msg_data_type and ceph_osd_data_type xiubli
2023-02-27 3:27 ` [PATCH v16 11/68] ceph: use osd_req_op_extent_osd_iter for netfs reads xiubli
2023-02-27 3:27 ` [PATCH v16 12/68] ceph: fscrypt_auth handling for ceph xiubli
2023-02-27 3:27 ` [PATCH v16 13/68] ceph: ensure that we accept a new context from MDS for new inodes xiubli
2023-02-27 3:27 ` [PATCH v16 14/68] ceph: add support for fscrypt_auth/fscrypt_file to cap messages xiubli
2023-02-27 3:27 ` [PATCH v16 15/68] ceph: implement -o test_dummy_encryption mount option xiubli
2023-02-27 3:27 ` [PATCH v16 16/68] ceph: decode alternate_name in lease info xiubli
2023-02-27 3:27 ` [PATCH v16 17/68] ceph: add fscrypt ioctls xiubli
2023-02-27 3:27 ` [PATCH v16 18/68] ceph: make the ioctl cmd more readable in debug log xiubli
2023-02-27 3:27 ` [PATCH v16 19/68] ceph: add base64 endcoding routines for encrypted names xiubli
2023-02-27 3:27 ` [PATCH v16 20/68] ceph: add encrypted fname handling to ceph_mdsc_build_path xiubli
2023-02-27 3:27 ` [PATCH v16 21/68] ceph: send altname in MClientRequest xiubli
2023-02-27 3:27 ` [PATCH v16 22/68] ceph: encode encrypted name in dentry release xiubli
2023-02-27 3:27 ` [PATCH v16 23/68] ceph: properly set DCACHE_NOKEY_NAME flag in lookup xiubli
2023-02-27 3:27 ` [PATCH v16 24/68] ceph: set DCACHE_NOKEY_NAME in atomic open xiubli
2023-02-27 3:27 ` [PATCH v16 25/68] ceph: make d_revalidate call fscrypt revalidator for encrypted dentries xiubli
2023-03-07 18:53 ` Luís Henriques
2023-03-08 1:50 ` Xiubo Li
2023-03-08 9:29 ` Luís Henriques
2023-03-08 10:42 ` Xiubo Li
2023-03-08 17:14 ` Luís Henriques
2023-03-08 17:54 ` Jeff Layton
2023-03-08 18:30 ` Luís Henriques
2023-03-08 19:32 ` Jeff Layton
2023-03-09 9:52 ` Luís Henriques
2023-03-09 7:06 ` Xiubo Li
2023-03-09 9:55 ` Luís Henriques
2023-03-09 11:41 ` Xiubo Li
2023-02-27 3:27 ` [PATCH v16 26/68] ceph: add helpers for converting names for userland presentation xiubli
2023-02-27 3:27 ` [PATCH v16 27/68] ceph: fix base64 encoded name's length check in ceph_fname_to_usr() xiubli
2023-02-27 3:27 ` [PATCH v16 28/68] ceph: add fscrypt support to ceph_fill_trace xiubli
2023-02-27 3:27 ` [PATCH v16 29/68] ceph: pass the request to parse_reply_info_readdir() xiubli
2023-02-27 3:27 ` [PATCH v16 30/68] ceph: add ceph_encode_encrypted_dname() helper xiubli
2023-02-27 3:27 ` [PATCH v16 31/68] ceph: add support to readdir for encrypted filenames xiubli
2023-02-27 3:27 ` [PATCH v16 32/68] ceph: create symlinks with encrypted and base64-encoded targets xiubli
2023-02-27 3:27 ` [PATCH v16 33/68] ceph: make ceph_get_name decrypt filenames xiubli
2023-02-27 3:27 ` [PATCH v16 34/68] ceph: add a new ceph.fscrypt.auth vxattr xiubli
2023-02-27 3:27 ` [PATCH v16 35/68] ceph: add some fscrypt guardrails xiubli
2023-02-27 3:27 ` [PATCH v16 36/68] ceph: allow encrypting a directory while not having Ax caps xiubli
2023-02-27 3:27 ` [PATCH v16 37/68] ceph: mark directory as non-complete after loading key xiubli
2023-02-27 3:27 ` [PATCH v16 38/68] ceph: don't allow changing layout on encrypted files/directories xiubli
2023-02-27 3:27 ` [PATCH v16 39/68] libceph: add CEPH_OSD_OP_ASSERT_VER support xiubli
2023-02-27 3:27 ` [PATCH v16 40/68] ceph: size handling for encrypted inodes in cap updates xiubli
2023-02-27 3:27 ` [PATCH v16 41/68] ceph: fscrypt_file field handling in MClientRequest messages xiubli
2023-02-27 3:27 ` [PATCH v16 42/68] ceph: get file size from fscrypt_file when present in inode traces xiubli
2023-02-27 3:27 ` [PATCH v16 43/68] ceph: handle fscrypt fields in cap messages from MDS xiubli
2023-02-27 3:27 ` [PATCH v16 44/68] ceph: update WARN_ON message to pr_warn xiubli
2023-02-27 3:27 ` [PATCH v16 45/68] ceph: add __ceph_get_caps helper support xiubli
2023-02-27 3:27 ` [PATCH v16 46/68] ceph: add __ceph_sync_read " xiubli
2023-02-27 3:27 ` xiubli [this message]
2023-02-27 3:27 ` [PATCH v16 48/68] ceph: add infrastructure for file encryption and decryption xiubli
2023-02-27 3:27 ` [PATCH v16 49/68] ceph: add truncate size handling support for fscrypt xiubli
2023-02-27 3:27 ` [PATCH v16 50/68] libceph: allow ceph_osdc_new_request to accept a multi-op read xiubli
2023-02-27 3:27 ` [PATCH v16 51/68] ceph: disable fallocate for encrypted inodes xiubli
2023-02-27 3:27 ` [PATCH v16 52/68] ceph: disable copy offload on " xiubli
2023-02-27 3:27 ` [PATCH v16 53/68] ceph: don't use special DIO path for " xiubli
2023-02-27 3:27 ` [PATCH v16 54/68] ceph: align data in pages in ceph_sync_write xiubli
2023-02-27 3:28 ` [PATCH v16 55/68] ceph: add read/modify/write to ceph_sync_write xiubli
2023-02-27 3:28 ` [PATCH v16 56/68] ceph: plumb in decryption during sync reads xiubli
2023-02-27 3:28 ` [PATCH v16 57/68] ceph: add fscrypt decryption support to ceph_netfs_issue_op xiubli
2023-02-27 3:28 ` [PATCH v16 58/68] ceph: set i_blkbits to crypto block size for encrypted inodes xiubli
2023-02-27 3:28 ` [PATCH v16 59/68] ceph: add encryption support to writepage xiubli
2023-02-27 3:28 ` [PATCH v16 60/68] ceph: fscrypt support for writepages xiubli
2023-02-27 3:28 ` [PATCH v16 61/68] ceph: invalidate pages when doing direct/sync writes xiubli
2023-02-27 3:28 ` [PATCH v16 62/68] ceph: add support for encrypted snapshot names xiubli
2023-02-27 3:28 ` [PATCH v16 63/68] ceph: add support for handling " xiubli
2023-02-27 3:28 ` [PATCH v16 64/68] ceph: update documentation regarding snapshot naming limitations xiubli
2023-02-27 3:28 ` [PATCH v16 65/68] ceph: prevent snapshots to be created in encrypted locked directories xiubli
2023-02-27 3:28 ` [PATCH v16 66/68] ceph: report STATX_ATTR_ENCRYPTED on encrypted inodes xiubli
2023-02-27 3:28 ` [PATCH v16 67/68] libceph: defer removing the req from osdc just after req->r_callback xiubli
2023-02-27 3:28 ` [PATCH v16 68/68] ceph: drop the messages from MDS when unmounting xiubli
2023-02-27 9:27 ` [PATCH v16 00/68] ceph+fscrypt: full support Luís Henriques
2023-02-27 9:58 ` Xiubo Li
2023-02-27 10:30 ` Luís Henriques
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