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libceph: specify position of extent operation 

allow specifying position of extent operation in multi-operations
osd request. This is required for cephfs to convert inline data to
normal data (compare xattr, then write object).

Signed-off-by: Yan, Zheng <zyan@redhat.com>
Reviewed-by: Ilya Dryomov <idryomov@redhat.com>
This commit is contained in:
Yan, Zheng 2014-11-13 14:40:37 +08:00 committed by Ilya Dryomov
parent 864e9197f1
commit 715e4cd405
4 changed files with 19 additions and 20 deletions
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9
fs/ceph/addr.c
View File

@ -319,7 +319,7 @@ static int start_read(struct inode *inode, struct list_head *page_list, int max)
off, len);
vino = ceph_vino(inode);
req = ceph_osdc_new_request(osdc, &ci->i_layout, vino, off, &len,
1, CEPH_OSD_OP_READ,
0, 1, CEPH_OSD_OP_READ,
CEPH_OSD_FLAG_READ, NULL,
ci->i_truncate_seq, ci->i_truncate_size,
false);
@ -750,7 +750,6 @@ retry:
last_snapc = snapc;
while (!done && index <= end) {
int num_ops = do_sync ? 2 : 1;
unsigned i;
int first;
pgoff_t next;
@ -850,7 +849,8 @@ get_more_pages:
len = wsize;
req = ceph_osdc_new_request(&fsc->client->osdc,
&ci->i_layout, vino,
offset, &len, num_ops,
offset, &len, 0,
do_sync ? 2 : 1,
CEPH_OSD_OP_WRITE,
CEPH_OSD_FLAG_WRITE |
CEPH_OSD_FLAG_ONDISK,
@ -862,6 +862,9 @@ get_more_pages:
break;
}
if (do_sync)
osd_req_op_init(req, 1, CEPH_OSD_OP_STARTSYNC);
req->r_callback = writepages_finish;
req->r_inode = inode;

8
fs/ceph/file.c
View File

@ -598,7 +598,7 @@ ceph_sync_direct_write(struct kiocb *iocb, struct iov_iter *from, loff_t pos)
snapc = ci->i_snap_realm->cached_context;
vino = ceph_vino(inode);
req = ceph_osdc_new_request(&fsc->client->osdc, &ci->i_layout,
vino, pos, &len,
vino, pos, &len, 0,
2,/*include a 'startsync' command*/
CEPH_OSD_OP_WRITE, flags, snapc,
ci->i_truncate_seq,
@ -609,6 +609,8 @@ ceph_sync_direct_write(struct kiocb *iocb, struct iov_iter *from, loff_t pos)
break;
}
osd_req_op_init(req, 1, CEPH_OSD_OP_STARTSYNC);
n = iov_iter_get_pages_alloc(from, &pages, len, &start);
if (unlikely(n < 0)) {
ret = n;
@ -713,7 +715,7 @@ ceph_sync_write(struct kiocb *iocb, struct iov_iter *from, loff_t pos)
snapc = ci->i_snap_realm->cached_context;
vino = ceph_vino(inode);
req = ceph_osdc_new_request(&fsc->client->osdc, &ci->i_layout,
vino, pos, &len, 1,
vino, pos, &len, 0, 1,
CEPH_OSD_OP_WRITE, flags, snapc,
ci->i_truncate_seq,
ci->i_truncate_size,
@ -1111,7 +1113,7 @@ static int ceph_zero_partial_object(struct inode *inode,
req = ceph_osdc_new_request(&fsc->client->osdc, &ci->i_layout,
ceph_vino(inode),
offset, length,
1, op,
0, 1, op,
CEPH_OSD_FLAG_WRITE |
CEPH_OSD_FLAG_ONDISK,
NULL, 0, 0, false);

3
include/linux/ceph/osd_client.h
View File

@ -328,7 +328,8 @@ extern struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *,
struct ceph_file_layout *layout,
struct ceph_vino vino,
u64 offset, u64 *len,
int num_ops, int opcode, int flags,
unsigned int which, int num_ops,
int opcode, int flags,
struct ceph_snap_context *snapc,
u32 truncate_seq, u64 truncate_size,
bool use_mempool);

19
net/ceph/osd_client.c
View File

@ -753,7 +753,8 @@ static u64 osd_req_encode_op(struct ceph_osd_request *req,
struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc,
struct ceph_file_layout *layout,
struct ceph_vino vino,
u64 off, u64 *plen, int num_ops,
u64 off, u64 *plen,
unsigned int which, int num_ops,
int opcode, int flags,
struct ceph_snap_context *snapc,
u32 truncate_seq,
@ -785,7 +786,7 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc,
}
if (opcode == CEPH_OSD_OP_CREATE || opcode == CEPH_OSD_OP_DELETE) {
osd_req_op_init(req, 0, opcode);
osd_req_op_init(req, which, opcode);
} else {
u32 object_size = le32_to_cpu(layout->fl_object_size);
u32 object_base = off - objoff;
@ -798,17 +799,9 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc,
truncate_size = object_size;
}
}
osd_req_op_extent_init(req, 0, opcode, objoff, objlen,
osd_req_op_extent_init(req, which, opcode, objoff, objlen,
truncate_size, truncate_seq);
}
/*
* A second op in the ops array means the caller wants to
* also issue a include a 'startsync' command so that the
* osd will flush data quickly.
*/
if (num_ops > 1)
osd_req_op_init(req, 1, CEPH_OSD_OP_STARTSYNC);
req->r_base_oloc.pool = ceph_file_layout_pg_pool(*layout);
@ -2675,7 +2668,7 @@ int ceph_osdc_readpages(struct ceph_osd_client *osdc,
dout("readpages on ino %llx.%llx on %llu~%llu\n", vino.ino,
vino.snap, off, *plen);
req = ceph_osdc_new_request(osdc, layout, vino, off, plen, 1,
req = ceph_osdc_new_request(osdc, layout, vino, off, plen, 0, 1,
CEPH_OSD_OP_READ, CEPH_OSD_FLAG_READ,
NULL, truncate_seq, truncate_size,
false);
@ -2718,7 +2711,7 @@ int ceph_osdc_writepages(struct ceph_osd_client *osdc, struct ceph_vino vino,
int page_align = off & ~PAGE_MASK;
BUG_ON(vino.snap != CEPH_NOSNAP); /* snapshots aren't writeable */
req = ceph_osdc_new_request(osdc, layout, vino, off, &len, 1,
req = ceph_osdc_new_request(osdc, layout, vino, off, &len, 0, 1,
CEPH_OSD_OP_WRITE,
CEPH_OSD_FLAG_ONDISK | CEPH_OSD_FLAG_WRITE,
snapc, truncate_seq, truncate_size,