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libceph: define new ceph_file_layout structure 

Define new ceph_file_layout structure and rename old ceph_file_layout
to ceph_file_layout_legacy. This is preparation for adding namespace
to ceph_file_layout structure.

Signed-off-by: Yan, Zheng <zyan@redhat.com>
This commit is contained in:
Yan, Zheng 2016-02-03 21:24:49 +08:00 committed by Ilya Dryomov
parent 22748f9d61
commit 7627151ea3
12 changed files with 102 additions and 88 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/block/rbd.c
View File

@ -1937,7 +1937,7 @@ static struct ceph_osd_request *rbd_osd_req_create(
osd_req->r_callback = rbd_osd_req_callback; osd_req->r_callback = rbd_osd_req_callback;
osd_req->r_priv = obj_request; osd_req->r_priv = obj_request;
osd_req->r_base_oloc.pool = ceph_file_layout_pg_pool(rbd_dev->layout); osd_req->r_base_oloc.pool = rbd_dev->layout.pool_id;
if (ceph_oid_aprintf(&osd_req->r_base_oid, GFP_NOIO, "%s", if (ceph_oid_aprintf(&osd_req->r_base_oid, GFP_NOIO, "%s",
obj_request->object_name)) obj_request->object_name))
goto fail; goto fail;
@ -1991,7 +1991,7 @@ rbd_osd_req_create_copyup(struct rbd_obj_request *obj_request)
osd_req->r_callback = rbd_osd_req_callback; osd_req->r_callback = rbd_osd_req_callback;
osd_req->r_priv = obj_request; osd_req->r_priv = obj_request;
osd_req->r_base_oloc.pool = ceph_file_layout_pg_pool(rbd_dev->layout); osd_req->r_base_oloc.pool = rbd_dev->layout.pool_id;
if (ceph_oid_aprintf(&osd_req->r_base_oid, GFP_NOIO, "%s", if (ceph_oid_aprintf(&osd_req->r_base_oid, GFP_NOIO, "%s",
obj_request->object_name)) obj_request->object_name))
goto fail; goto fail;
@ -3995,10 +3995,10 @@ static struct rbd_device *rbd_dev_create(struct rbd_client *rbdc,
/* Initialize the layout used for all rbd requests */ /* Initialize the layout used for all rbd requests */
rbd_dev->layout.fl_stripe_unit = cpu_to_le32(1 << RBD_MAX_OBJ_ORDER); rbd_dev->layout.stripe_unit = 1 << RBD_MAX_OBJ_ORDER;
rbd_dev->layout.fl_stripe_count = cpu_to_le32(1); rbd_dev->layout.stripe_count = 1;
rbd_dev->layout.fl_object_size = cpu_to_le32(1 << RBD_MAX_OBJ_ORDER); rbd_dev->layout.object_size = 1 << RBD_MAX_OBJ_ORDER;
rbd_dev->layout.fl_pg_pool = cpu_to_le32((u32) spec->pool_id); rbd_dev->layout.pool_id = spec->pool_id;
/* /*
* If this is a mapping rbd_dev (as opposed to a parent one), * If this is a mapping rbd_dev (as opposed to a parent one),
@ -5187,7 +5187,7 @@ static int rbd_dev_header_name(struct rbd_device *rbd_dev)
rbd_assert(rbd_image_format_valid(rbd_dev->image_format)); rbd_assert(rbd_image_format_valid(rbd_dev->image_format));
rbd_dev->header_oloc.pool = ceph_file_layout_pg_pool(rbd_dev->layout); rbd_dev->header_oloc.pool = rbd_dev->layout.pool_id;
if (rbd_dev->image_format == 1) if (rbd_dev->image_format == 1)
ret = ceph_oid_aprintf(&rbd_dev->header_oid, GFP_KERNEL, "%s%s", ret = ceph_oid_aprintf(&rbd_dev->header_oid, GFP_KERNEL, "%s%s",
spec->image_name, RBD_SUFFIX); spec->image_name, RBD_SUFFIX);

18
fs/ceph/addr.c
View File

@ -1730,7 +1730,7 @@ enum {
POOL_WRITE = 2, POOL_WRITE = 2,
}; };
static int __ceph_pool_perm_get(struct ceph_inode_info *ci, u32 pool) static int __ceph_pool_perm_get(struct ceph_inode_info *ci, s64 pool)
{ {
struct ceph_fs_client *fsc = ceph_inode_to_client(&ci->vfs_inode); struct ceph_fs_client *fsc = ceph_inode_to_client(&ci->vfs_inode);
struct ceph_mds_client *mdsc = fsc->mdsc; struct ceph_mds_client *mdsc = fsc->mdsc;
@ -1757,7 +1757,7 @@ static int __ceph_pool_perm_get(struct ceph_inode_info *ci, u32 pool)
if (*p) if (*p)
goto out; goto out;
dout("__ceph_pool_perm_get pool %u no perm cached\n", pool); dout("__ceph_pool_perm_get pool %lld no perm cached\n", pool);
down_write(&mdsc->pool_perm_rwsem); down_write(&mdsc->pool_perm_rwsem);
parent = NULL; parent = NULL;
@ -1860,13 +1860,13 @@ out_unlock:
out: out:
if (!err) if (!err)
err = have; err = have;
dout("__ceph_pool_perm_get pool %u result = %d\n", pool, err); dout("__ceph_pool_perm_get pool %lld result = %d\n", pool, err);
return err; return err;
} }
int ceph_pool_perm_check(struct ceph_inode_info *ci, int need) int ceph_pool_perm_check(struct ceph_inode_info *ci, int need)
{ {
u32 pool; s64 pool;
int ret, flags; int ret, flags;
/* does not support pool namespace yet */ /* does not support pool namespace yet */
@ -1879,17 +1879,17 @@ int ceph_pool_perm_check(struct ceph_inode_info *ci, int need)
spin_lock(&ci->i_ceph_lock); spin_lock(&ci->i_ceph_lock);
flags = ci->i_ceph_flags; flags = ci->i_ceph_flags;
pool = ceph_file_layout_pg_pool(ci->i_layout); pool = ci->i_layout.pool_id;
spin_unlock(&ci->i_ceph_lock); spin_unlock(&ci->i_ceph_lock);
check: check:
if (flags & CEPH_I_POOL_PERM) { if (flags & CEPH_I_POOL_PERM) {
if ((need & CEPH_CAP_FILE_RD) && !(flags & CEPH_I_POOL_RD)) { if ((need & CEPH_CAP_FILE_RD) && !(flags & CEPH_I_POOL_RD)) {
dout("ceph_pool_perm_check pool %u no read perm\n", dout("ceph_pool_perm_check pool %lld no read perm\n",
pool); pool);
return -EPERM; return -EPERM;
} }
if ((need & CEPH_CAP_FILE_WR) && !(flags & CEPH_I_POOL_WR)) { if ((need & CEPH_CAP_FILE_WR) && !(flags & CEPH_I_POOL_WR)) {
dout("ceph_pool_perm_check pool %u no write perm\n", dout("ceph_pool_perm_check pool %lld no write perm\n",
pool); pool);
return -EPERM; return -EPERM;
} }
@ -1907,10 +1907,10 @@ check:
flags |= CEPH_I_POOL_WR; flags |= CEPH_I_POOL_WR;
spin_lock(&ci->i_ceph_lock); spin_lock(&ci->i_ceph_lock);
if (pool == ceph_file_layout_pg_pool(ci->i_layout)) { if (pool == ci->i_layout.pool_id) {
ci->i_ceph_flags = flags; ci->i_ceph_flags = flags;
} else { } else {
pool = ceph_file_layout_pg_pool(ci->i_layout); pool = ci->i_layout.pool_id;
flags = ci->i_ceph_flags; flags = ci->i_ceph_flags;
} }
spin_unlock(&ci->i_ceph_lock); spin_unlock(&ci->i_ceph_lock);

5
fs/ceph/caps.c
View File

@ -2895,8 +2895,11 @@ static void handle_cap_grant(struct ceph_mds_client *mdsc,
if (newcaps & (CEPH_CAP_ANY_FILE_RD | CEPH_CAP_ANY_FILE_WR)) { if (newcaps & (CEPH_CAP_ANY_FILE_RD | CEPH_CAP_ANY_FILE_WR)) {
/* file layout may have changed */ /* file layout may have changed */
ci->i_layout = grant->layout; s64 old_pool = ci->i_layout.pool_id;
ceph_file_layout_from_legacy(&ci->i_layout, &grant->layout);
ci->i_pool_ns_len = pool_ns_len; ci->i_pool_ns_len = pool_ns_len;
if (ci->i_layout.pool_id != old_pool)
ci->i_ceph_flags &= ~CEPH_I_POOL_PERM;
/* size/truncate_seq? */ /* size/truncate_seq? */
queue_trunc = ceph_fill_file_size(inode, issued, queue_trunc = ceph_fill_file_size(inode, issued,

6
fs/ceph/file.c
View File

@ -1583,9 +1583,9 @@ static int ceph_zero_objects(struct inode *inode, loff_t offset, loff_t length)
{ {
int ret = 0; int ret = 0;
struct ceph_inode_info *ci = ceph_inode(inode); struct ceph_inode_info *ci = ceph_inode(inode);
s32 stripe_unit = ceph_file_layout_su(ci->i_layout); s32 stripe_unit = ci->i_layout.stripe_unit;
s32 stripe_count = ceph_file_layout_stripe_count(ci->i_layout); s32 stripe_count = ci->i_layout.stripe_count;
s32 object_size = ceph_file_layout_object_size(ci->i_layout); s32 object_size = ci->i_layout.object_size;
u64 object_set_size = object_size * stripe_count; u64 object_set_size = object_size * stripe_count;
u64 nearly, t; u64 nearly, t;

7
fs/ceph/inode.c
View File

@ -814,10 +814,11 @@ static int fill_inode(struct inode *inode, struct page *locked_page,
if (new_version || if (new_version ||
(new_issued & (CEPH_CAP_ANY_FILE_RD | CEPH_CAP_ANY_FILE_WR))) { (new_issued & (CEPH_CAP_ANY_FILE_RD | CEPH_CAP_ANY_FILE_WR))) {
if (ci->i_layout.fl_pg_pool != info->layout.fl_pg_pool) s64 old_pool = ci->i_layout.pool_id;
ci->i_ceph_flags &= ~CEPH_I_POOL_PERM; ceph_file_layout_from_legacy(&ci->i_layout, &info->layout);
ci->i_layout = info->layout;
ci->i_pool_ns_len = iinfo->pool_ns_len; ci->i_pool_ns_len = iinfo->pool_ns_len;
if (ci->i_layout.pool_id != old_pool)
ci->i_ceph_flags &= ~CEPH_I_POOL_PERM;
queue_trunc = ceph_fill_file_size(inode, issued, queue_trunc = ceph_fill_file_size(inode, issued,
le32_to_cpu(info->truncate_seq), le32_to_cpu(info->truncate_seq),

22
fs/ceph/ioctl.c
View File

@ -21,10 +21,10 @@ static long ceph_ioctl_get_layout(struct file *file, void __user *arg)
err = ceph_do_getattr(file_inode(file), CEPH_STAT_CAP_LAYOUT, false); err = ceph_do_getattr(file_inode(file), CEPH_STAT_CAP_LAYOUT, false);
if (!err) { if (!err) {
l.stripe_unit = ceph_file_layout_su(ci->i_layout); l.stripe_unit = ci->i_layout.stripe_unit;
l.stripe_count = ceph_file_layout_stripe_count(ci->i_layout); l.stripe_count = ci->i_layout.stripe_count;
l.object_size = ceph_file_layout_object_size(ci->i_layout); l.object_size = ci->i_layout.object_size;
l.data_pool = le32_to_cpu(ci->i_layout.fl_pg_pool); l.data_pool = ci->i_layout.pool_id;
l.preferred_osd = (s32)-1; l.preferred_osd = (s32)-1;
if (copy_to_user(arg, &l, sizeof(l))) if (copy_to_user(arg, &l, sizeof(l)))
return -EFAULT; return -EFAULT;
@ -82,19 +82,19 @@ static long ceph_ioctl_set_layout(struct file *file, void __user *arg)
if (l.stripe_count) if (l.stripe_count)
nl.stripe_count = l.stripe_count; nl.stripe_count = l.stripe_count;
else else
nl.stripe_count = ceph_file_layout_stripe_count(ci->i_layout); nl.stripe_count = ci->i_layout.stripe_count;
if (l.stripe_unit) if (l.stripe_unit)
nl.stripe_unit = l.stripe_unit; nl.stripe_unit = l.stripe_unit;
else else
nl.stripe_unit = ceph_file_layout_su(ci->i_layout); nl.stripe_unit = ci->i_layout.stripe_unit;
if (l.object_size) if (l.object_size)
nl.object_size = l.object_size; nl.object_size = l.object_size;
else else
nl.object_size = ceph_file_layout_object_size(ci->i_layout); nl.object_size = ci->i_layout.object_size;
if (l.data_pool) if (l.data_pool)
nl.data_pool = l.data_pool; nl.data_pool = l.data_pool;
else else
nl.data_pool = ceph_file_layout_pg_pool(ci->i_layout); nl.data_pool = ci->i_layout.pool_id;
/* this is obsolete, and always -1 */ /* this is obsolete, and always -1 */
nl.preferred_osd = le64_to_cpu(-1); nl.preferred_osd = le64_to_cpu(-1);
@ -202,8 +202,8 @@ static long ceph_ioctl_get_dataloc(struct file *file, void __user *arg)
return -EIO; return -EIO;
} }
dl.file_offset -= dl.object_offset; dl.file_offset -= dl.object_offset;
dl.object_size = ceph_file_layout_object_size(ci->i_layout); dl.object_size = ci->i_layout.object_size;
dl.block_size = ceph_file_layout_su(ci->i_layout); dl.block_size = ci->i_layout.stripe_unit;
/* block_offset = object_offset % block_size */ /* block_offset = object_offset % block_size */
tmp = dl.object_offset; tmp = dl.object_offset;
@ -212,7 +212,7 @@ static long ceph_ioctl_get_dataloc(struct file *file, void __user *arg)
snprintf(dl.object_name, sizeof(dl.object_name), "%llx.%08llx", snprintf(dl.object_name, sizeof(dl.object_name), "%llx.%08llx",
ceph_ino(inode), dl.object_no); ceph_ino(inode), dl.object_no);
oloc.pool = ceph_file_layout_pg_pool(ci->i_layout); oloc.pool = ci->i_layout.pool_id;
ceph_oid_printf(&oid, "%s", dl.object_name); ceph_oid_printf(&oid, "%s", dl.object_name);
r = ceph_object_locator_to_pg(osdc->osdmap, &oid, &oloc, &pgid); r = ceph_object_locator_to_pg(osdc->osdmap, &oid, &oloc, &pgid);

2
fs/ceph/mds_client.h
View File

@ -275,8 +275,8 @@ struct ceph_mds_request {
struct ceph_pool_perm { struct ceph_pool_perm {
struct rb_node node; struct rb_node node;
u32 pool;
int perm; int perm;
s64 pool;
}; };
/* /*

28
fs/ceph/xattr.c
View File

@ -72,7 +72,7 @@ static size_t ceph_vxattrcb_layout(struct ceph_inode_info *ci, char *val,
int ret; int ret;
struct ceph_fs_client *fsc = ceph_sb_to_client(ci->vfs_inode.i_sb); struct ceph_fs_client *fsc = ceph_sb_to_client(ci->vfs_inode.i_sb);
struct ceph_osd_client *osdc = &fsc->client->osdc; struct ceph_osd_client *osdc = &fsc->client->osdc;
s64 pool = ceph_file_layout_pg_pool(ci->i_layout); s64 pool = ci->i_layout.pool_id;
const char *pool_name; const char *pool_name;
char buf[128]; char buf[128];
@ -82,10 +82,9 @@ static size_t ceph_vxattrcb_layout(struct ceph_inode_info *ci, char *val,
if (pool_name) { if (pool_name) {
size_t len = strlen(pool_name); size_t len = strlen(pool_name);
ret = snprintf(buf, sizeof(buf), ret = snprintf(buf, sizeof(buf),
"stripe_unit=%lld stripe_count=%lld object_size=%lld pool=", "stripe_unit=%u stripe_count=%u object_size=%u pool=",
(unsigned long long)ceph_file_layout_su(ci->i_layout), ci->i_layout.stripe_unit, ci->i_layout.stripe_count,
(unsigned long long)ceph_file_layout_stripe_count(ci->i_layout), ci->i_layout.object_size);
(unsigned long long)ceph_file_layout_object_size(ci->i_layout));
if (!size) { if (!size) {
ret += len; ret += len;
} else if (ret + len > size) { } else if (ret + len > size) {
@ -97,11 +96,9 @@ static size_t ceph_vxattrcb_layout(struct ceph_inode_info *ci, char *val,
} }
} else { } else {
ret = snprintf(buf, sizeof(buf), ret = snprintf(buf, sizeof(buf),
"stripe_unit=%lld stripe_count=%lld object_size=%lld pool=%lld", "stripe_unit=%u stripe_count=%u object_size=%u pool=%lld",
(unsigned long long)ceph_file_layout_su(ci->i_layout), ci->i_layout.stripe_unit, ci->i_layout.stripe_count,
(unsigned long long)ceph_file_layout_stripe_count(ci->i_layout), ci->i_layout.object_size, (unsigned long long)pool);
(unsigned long long)ceph_file_layout_object_size(ci->i_layout),
(unsigned long long)pool);
if (size) { if (size) {
if (ret <= size) if (ret <= size)
memcpy(val, buf, ret); memcpy(val, buf, ret);
@ -116,22 +113,19 @@ static size_t ceph_vxattrcb_layout(struct ceph_inode_info *ci, char *val,
static size_t ceph_vxattrcb_layout_stripe_unit(struct ceph_inode_info *ci, static size_t ceph_vxattrcb_layout_stripe_unit(struct ceph_inode_info *ci,
char *val, size_t size) char *val, size_t size)
{ {
return snprintf(val, size, "%lld", return snprintf(val, size, "%u", ci->i_layout.stripe_unit);
(unsigned long long)ceph_file_layout_su(ci->i_layout));
} }
static size_t ceph_vxattrcb_layout_stripe_count(struct ceph_inode_info *ci, static size_t ceph_vxattrcb_layout_stripe_count(struct ceph_inode_info *ci,
char *val, size_t size) char *val, size_t size)
{ {
return snprintf(val, size, "%lld", return snprintf(val, size, "%u", ci->i_layout.stripe_count);
(unsigned long long)ceph_file_layout_stripe_count(ci->i_layout));
} }
static size_t ceph_vxattrcb_layout_object_size(struct ceph_inode_info *ci, static size_t ceph_vxattrcb_layout_object_size(struct ceph_inode_info *ci,
char *val, size_t size) char *val, size_t size)
{ {
return snprintf(val, size, "%lld", return snprintf(val, size, "%u", ci->i_layout.object_size);
(unsigned long long)ceph_file_layout_object_size(ci->i_layout));
} }
static size_t ceph_vxattrcb_layout_pool(struct ceph_inode_info *ci, static size_t ceph_vxattrcb_layout_pool(struct ceph_inode_info *ci,
@ -140,7 +134,7 @@ static size_t ceph_vxattrcb_layout_pool(struct ceph_inode_info *ci,
int ret; int ret;
struct ceph_fs_client *fsc = ceph_sb_to_client(ci->vfs_inode.i_sb); struct ceph_fs_client *fsc = ceph_sb_to_client(ci->vfs_inode.i_sb);
struct ceph_osd_client *osdc = &fsc->client->osdc; struct ceph_osd_client *osdc = &fsc->client->osdc;
s64 pool = ceph_file_layout_pg_pool(ci->i_layout); s64 pool = ci->i_layout.pool_id;
const char *pool_name; const char *pool_name;
down_read(&osdc->lock); down_read(&osdc->lock);

48
include/linux/ceph/ceph_fs.h
View File

@ -34,9 +34,9 @@
#define CEPH_MAX_MON 31 #define CEPH_MAX_MON 31
/* /*
* ceph_file_layout - describe data layout for a file/inode * legacy ceph_file_layoute
*/ */
struct ceph_file_layout { struct ceph_file_layout_legacy {
/* file -> object mapping */ /* file -> object mapping */
__le32 fl_stripe_unit; /* stripe unit, in bytes. must be multiple __le32 fl_stripe_unit; /* stripe unit, in bytes. must be multiple
of page size. */ of page size. */
@ -53,33 +53,25 @@ struct ceph_file_layout {
__le32 fl_pg_pool; /* namespace, crush ruleset, rep level */ __le32 fl_pg_pool; /* namespace, crush ruleset, rep level */
} __attribute__ ((packed)); } __attribute__ ((packed));
#define ceph_file_layout_su(l) ((__s32)le32_to_cpu((l).fl_stripe_unit)) /*
#define ceph_file_layout_stripe_count(l) \ * ceph_file_layout - describe data layout for a file/inode
((__s32)le32_to_cpu((l).fl_stripe_count)) */
#define ceph_file_layout_object_size(l) ((__s32)le32_to_cpu((l).fl_object_size)) struct ceph_file_layout {
#define ceph_file_layout_cas_hash(l) ((__s32)le32_to_cpu((l).fl_cas_hash)) /* file -> object mapping */
#define ceph_file_layout_object_su(l) \ u32 stripe_unit; /* stripe unit, in bytes */
((__s32)le32_to_cpu((l).fl_object_stripe_unit)) u32 stripe_count; /* over this many objects */
#define ceph_file_layout_pg_pool(l) \ u32 object_size; /* until objects are this big */
((__s32)le32_to_cpu((l).fl_pg_pool)) s64 pool_id; /* rados pool id */
};
static inline unsigned ceph_file_layout_stripe_width(struct ceph_file_layout *l) extern int ceph_file_layout_is_valid(const struct ceph_file_layout *layout);
{ extern void ceph_file_layout_from_legacy(struct ceph_file_layout *fl,
return le32_to_cpu(l->fl_stripe_unit) * struct ceph_file_layout_legacy *legacy);
le32_to_cpu(l->fl_stripe_count); extern void ceph_file_layout_to_legacy(struct ceph_file_layout *fl,
} struct ceph_file_layout_legacy *legacy);
/* "period" == bytes before i start on a new set of objects */
static inline unsigned ceph_file_layout_period(struct ceph_file_layout *l)
{
return le32_to_cpu(l->fl_object_size) *
le32_to_cpu(l->fl_stripe_count);
}
#define CEPH_MIN_STRIPE_UNIT 65536 #define CEPH_MIN_STRIPE_UNIT 65536
int ceph_file_layout_is_valid(const struct ceph_file_layout *layout);
struct ceph_dir_layout { struct ceph_dir_layout {
__u8 dl_dir_hash; /* see ceph_hash.h for ids */ __u8 dl_dir_hash; /* see ceph_hash.h for ids */
__u8 dl_unused1; __u8 dl_unused1;
@ -399,7 +391,7 @@ union ceph_mds_request_args {
__le32 flags; __le32 flags;
} __attribute__ ((packed)) setxattr; } __attribute__ ((packed)) setxattr;
struct { struct {
struct ceph_file_layout layout; struct ceph_file_layout_legacy layout;
} __attribute__ ((packed)) setlayout; } __attribute__ ((packed)) setlayout;
struct { struct {
__u8 rule; /* currently fcntl or flock */ __u8 rule; /* currently fcntl or flock */
@ -478,7 +470,7 @@ struct ceph_mds_reply_inode {
__le64 version; /* inode version */ __le64 version; /* inode version */
__le64 xattr_version; /* version for xattr blob */ __le64 xattr_version; /* version for xattr blob */
struct ceph_mds_reply_cap cap; /* caps issued for this inode */ struct ceph_mds_reply_cap cap; /* caps issued for this inode */
struct ceph_file_layout layout; struct ceph_file_layout_legacy layout;
struct ceph_timespec ctime, mtime, atime; struct ceph_timespec ctime, mtime, atime;
__le32 time_warp_seq; __le32 time_warp_seq;
__le64 size, max_size, truncate_size; __le64 size, max_size, truncate_size;
@ -673,7 +665,7 @@ struct ceph_mds_caps {
__le64 size, max_size, truncate_size; __le64 size, max_size, truncate_size;
__le32 truncate_seq; __le32 truncate_seq;
struct ceph_timespec mtime, atime, ctime; struct ceph_timespec mtime, atime, ctime;
struct ceph_file_layout layout; struct ceph_file_layout_legacy layout;
__le32 time_warp_seq; __le32 time_warp_seq;
} __attribute__ ((packed)); } __attribute__ ((packed));

30
net/ceph/ceph_fs.c
View File

@ -9,9 +9,9 @@
*/ */
int ceph_file_layout_is_valid(const struct ceph_file_layout *layout) int ceph_file_layout_is_valid(const struct ceph_file_layout *layout)
{ {
__u32 su = le32_to_cpu(layout->fl_stripe_unit); __u32 su = layout->stripe_unit;
__u32 sc = le32_to_cpu(layout->fl_stripe_count); __u32 sc = layout->stripe_count;
__u32 os = le32_to_cpu(layout->fl_object_size); __u32 os = layout->object_size;
/* stripe unit, object size must be non-zero, 64k increment */ /* stripe unit, object size must be non-zero, 64k increment */
if (!su || (su & (CEPH_MIN_STRIPE_UNIT-1))) if (!su || (su & (CEPH_MIN_STRIPE_UNIT-1)))
@ -27,6 +27,30 @@ int ceph_file_layout_is_valid(const struct ceph_file_layout *layout)
return 1; return 1;
} }
void ceph_file_layout_from_legacy(struct ceph_file_layout *fl,
struct ceph_file_layout_legacy *legacy)
{
fl->stripe_unit = le32_to_cpu(legacy->fl_stripe_unit);
fl->stripe_count = le32_to_cpu(legacy->fl_stripe_count);
fl->object_size = le32_to_cpu(legacy->fl_object_size);
fl->pool_id = le32_to_cpu(legacy->fl_pg_pool);
if (fl->pool_id == 0)
fl->pool_id = -1;
}
EXPORT_SYMBOL(ceph_file_layout_from_legacy);
void ceph_file_layout_to_legacy(struct ceph_file_layout *fl,
struct ceph_file_layout_legacy *legacy)
{
legacy->fl_stripe_unit = cpu_to_le32(fl->stripe_unit);
legacy->fl_stripe_count = cpu_to_le32(fl->stripe_count);
legacy->fl_object_size = cpu_to_le32(fl->object_size);
if (fl->pool_id >= 0)
legacy->fl_pg_pool = cpu_to_le32(fl->pool_id);
else
legacy->fl_pg_pool = 0;
}
EXPORT_SYMBOL(ceph_file_layout_to_legacy);
int ceph_flags_to_mode(int flags) int ceph_flags_to_mode(int flags)
{ {

4
net/ceph/osd_client.c
View File

@ -932,7 +932,7 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc,
if (opcode == CEPH_OSD_OP_CREATE || opcode == CEPH_OSD_OP_DELETE) { if (opcode == CEPH_OSD_OP_CREATE || opcode == CEPH_OSD_OP_DELETE) {
osd_req_op_init(req, which, opcode, 0); osd_req_op_init(req, which, opcode, 0);
} else { } else {
u32 object_size = le32_to_cpu(layout->fl_object_size); u32 object_size = layout->object_size;
u32 object_base = off - objoff; u32 object_base = off - objoff;
if (!(truncate_seq == 1 && truncate_size == -1ULL)) { if (!(truncate_seq == 1 && truncate_size == -1ULL)) {
if (truncate_size <= object_base) { if (truncate_size <= object_base) {
@ -948,7 +948,7 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc,
} }
req->r_flags = flags; req->r_flags = flags;
req->r_base_oloc.pool = ceph_file_layout_pg_pool(*layout); req->r_base_oloc.pool = layout->pool_id;
ceph_oid_printf(&req->r_base_oid, "%llx.%08llx", vino.ino, objnum); ceph_oid_printf(&req->r_base_oid, "%llx.%08llx", vino.ino, objnum);
req->r_snapid = vino.snap; req->r_snapid = vino.snap;

6
net/ceph/osdmap.c
View File

@ -1770,9 +1770,9 @@ int ceph_calc_file_object_mapping(struct ceph_file_layout *layout,
u64 *ono, u64 *ono,
u64 *oxoff, u64 *oxlen) u64 *oxoff, u64 *oxlen)
{ {
u32 osize = le32_to_cpu(layout->fl_object_size); u32 osize = layout->object_size;
u32 su = le32_to_cpu(layout->fl_stripe_unit); u32 su = layout->stripe_unit;
u32 sc = le32_to_cpu(layout->fl_stripe_count); u32 sc = layout->stripe_count;
u32 bl, stripeno, stripepos, objsetno; u32 bl, stripeno, stripepos, objsetno;
u32 su_per_object; u32 su_per_object;
u64 t, su_offset; u64 t, su_offset;