aboutsummaryrefslogtreecommitdiffstats
path: root/fs/ceph/xattr.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/ceph/xattr.c')
-rw-r--r--fs/ceph/xattr.c49
1 files changed, 35 insertions, 14 deletions
diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c
index fcf7dfdecf96..f31350cda960 100644
--- a/fs/ceph/xattr.c
+++ b/fs/ceph/xattr.c
@@ -57,7 +57,7 @@ static bool ceph_vxattrcb_layout_exists(struct ceph_inode_info *ci)
static ssize_t ceph_vxattrcb_layout(struct ceph_inode_info *ci, char *val,
size_t size)
{
- struct ceph_fs_client *fsc = ceph_sb_to_client(ci->vfs_inode.i_sb);
+ struct ceph_fs_client *fsc = ceph_sb_to_client(ci->netfs.inode.i_sb);
struct ceph_osd_client *osdc = &fsc->client->osdc;
struct ceph_string *pool_ns;
s64 pool = ci->i_layout.pool_id;
@@ -69,7 +69,7 @@ static ssize_t ceph_vxattrcb_layout(struct ceph_inode_info *ci, char *val,
pool_ns = ceph_try_get_string(ci->i_layout.pool_ns);
- dout("ceph_vxattrcb_layout %p\n", &ci->vfs_inode);
+ dout("ceph_vxattrcb_layout %p\n", &ci->netfs.inode);
down_read(&osdc->lock);
pool_name = ceph_pg_pool_name_by_id(osdc->osdmap, pool);
if (pool_name) {
@@ -161,7 +161,7 @@ static ssize_t ceph_vxattrcb_layout_pool(struct ceph_inode_info *ci,
char *val, size_t size)
{
ssize_t 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->netfs.inode.i_sb);
struct ceph_osd_client *osdc = &fsc->client->osdc;
s64 pool = ci->i_layout.pool_id;
const char *pool_name;
@@ -313,7 +313,7 @@ static ssize_t ceph_vxattrcb_snap_btime(struct ceph_inode_info *ci, char *val,
static ssize_t ceph_vxattrcb_cluster_fsid(struct ceph_inode_info *ci,
char *val, size_t size)
{
- struct ceph_fs_client *fsc = ceph_sb_to_client(ci->vfs_inode.i_sb);
+ struct ceph_fs_client *fsc = ceph_sb_to_client(ci->netfs.inode.i_sb);
return ceph_fmt_xattr(val, size, "%pU", &fsc->client->fsid);
}
@@ -321,7 +321,7 @@ static ssize_t ceph_vxattrcb_cluster_fsid(struct ceph_inode_info *ci,
static ssize_t ceph_vxattrcb_client_id(struct ceph_inode_info *ci,
char *val, size_t size)
{
- struct ceph_fs_client *fsc = ceph_sb_to_client(ci->vfs_inode.i_sb);
+ struct ceph_fs_client *fsc = ceph_sb_to_client(ci->netfs.inode.i_sb);
return ceph_fmt_xattr(val, size, "client%lld",
ceph_client_gid(fsc->client));
@@ -366,6 +366,14 @@ static ssize_t ceph_vxattrcb_auth_mds(struct ceph_inode_info *ci,
}
#define XATTR_RSTAT_FIELD(_type, _name) \
XATTR_NAME_CEPH(_type, _name, VXATTR_FLAG_RSTAT)
+#define XATTR_RSTAT_FIELD_UPDATABLE(_type, _name) \
+ { \
+ .name = CEPH_XATTR_NAME(_type, _name), \
+ .name_size = sizeof (CEPH_XATTR_NAME(_type, _name)), \
+ .getxattr_cb = ceph_vxattrcb_ ## _type ## _ ## _name, \
+ .exists_cb = NULL, \
+ .flags = VXATTR_FLAG_RSTAT, \
+ }
#define XATTR_LAYOUT_FIELD(_type, _name, _field) \
{ \
.name = CEPH_XATTR_NAME2(_type, _name, _field), \
@@ -404,7 +412,7 @@ static struct ceph_vxattr ceph_dir_vxattrs[] = {
XATTR_RSTAT_FIELD(dir, rsubdirs),
XATTR_RSTAT_FIELD(dir, rsnaps),
XATTR_RSTAT_FIELD(dir, rbytes),
- XATTR_RSTAT_FIELD(dir, rctime),
+ XATTR_RSTAT_FIELD_UPDATABLE(dir, rctime),
{
.name = "ceph.dir.pin",
.name_size = sizeof("ceph.dir.pin"),
@@ -621,7 +629,7 @@ static int __set_xattr(struct ceph_inode_info *ci,
}
dout("__set_xattr_val added %llx.%llx xattr %p %.*s=%.*s\n",
- ceph_vinop(&ci->vfs_inode), xattr, name_len, name, val_len, val);
+ ceph_vinop(&ci->netfs.inode), xattr, name_len, name, val_len, val);
return 0;
}
@@ -863,7 +871,7 @@ struct ceph_buffer *__ceph_build_xattrs_blob(struct ceph_inode_info *ci)
struct ceph_buffer *old_blob = NULL;
void *dest;
- dout("__build_xattrs_blob %p\n", &ci->vfs_inode);
+ dout("__build_xattrs_blob %p\n", &ci->netfs.inode);
if (ci->i_xattrs.dirty) {
int need = __get_required_blob_size(ci, 0, 0);
@@ -923,10 +931,13 @@ ssize_t __ceph_getxattr(struct inode *inode, const char *name, void *value,
{
struct ceph_inode_info *ci = ceph_inode(inode);
struct ceph_inode_xattr *xattr;
- struct ceph_vxattr *vxattr = NULL;
+ struct ceph_vxattr *vxattr;
int req_mask;
ssize_t err;
+ if (strncmp(name, XATTR_CEPH_PREFIX, XATTR_CEPH_PREFIX_LEN))
+ goto handle_non_vxattrs;
+
/* let's see if a virtual xattr was requested */
vxattr = ceph_match_vxattr(inode, name);
if (vxattr) {
@@ -945,8 +956,14 @@ ssize_t __ceph_getxattr(struct inode *inode, const char *name, void *value,
err = -ERANGE;
}
return err;
+ } else {
+ err = ceph_do_getvxattr(inode, name, value, size);
+ /* this would happen with a new client and old server combo */
+ if (err == -EOPNOTSUPP)
+ err = -ENODATA;
+ return err;
}
-
+handle_non_vxattrs:
req_mask = __get_request_mask(inode);
spin_lock(&ci->i_ceph_lock);
@@ -1069,7 +1086,7 @@ static int ceph_sync_setxattr(struct inode *inode, const char *name,
flags |= CEPH_XATTR_REMOVE;
}
- dout("setxattr value=%.*s\n", (int)size, value);
+ dout("setxattr value size: %zu\n", size);
/* do request */
req = ceph_mdsc_create_request(mdsc, op, USE_AUTH_MDS);
@@ -1167,8 +1184,14 @@ int __ceph_setxattr(struct inode *inode, const char *name,
spin_lock(&ci->i_ceph_lock);
retry:
issued = __ceph_caps_issued(ci, NULL);
- if (ci->i_xattrs.version == 0 || !(issued & CEPH_CAP_XATTR_EXCL))
+ required_blob_size = __get_required_blob_size(ci, name_len, val_len);
+ if ((ci->i_xattrs.version == 0) || !(issued & CEPH_CAP_XATTR_EXCL) ||
+ (required_blob_size > mdsc->mdsmap->m_max_xattr_size)) {
+ dout("%s do sync setxattr: version: %llu size: %d max: %llu\n",
+ __func__, ci->i_xattrs.version, required_blob_size,
+ mdsc->mdsmap->m_max_xattr_size);
goto do_sync;
+ }
if (!lock_snap_rwsem && !ci->i_head_snapc) {
lock_snap_rwsem = true;
@@ -1184,8 +1207,6 @@ retry:
ceph_cap_string(issued));
__build_xattrs(inode);
- required_blob_size = __get_required_blob_size(ci, name_len, val_len);
-
if (!ci->i_xattrs.prealloc_blob ||
required_blob_size > ci->i_xattrs.prealloc_blob->alloc_len) {
struct ceph_buffer *blob;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.