summaryrefslogtreecommitdiffstats
path: root/fs/ceph/crypto.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/ceph/crypto.c')
-rw-r--r--fs/ceph/crypto.c44
1 files changed, 29 insertions, 15 deletions
diff --git a/fs/ceph/crypto.c b/fs/ceph/crypto.c
index 5b5112c784..3b3c4d8d40 100644
--- a/fs/ceph/crypto.c
+++ b/fs/ceph/crypto.c
@@ -113,7 +113,7 @@ static int ceph_crypt_set_context(struct inode *inode, const void *ctx,
cia.fscrypt_auth = cfa;
- ret = __ceph_setattr(inode, &attr, &cia);
+ ret = __ceph_setattr(&nop_mnt_idmap, inode, &attr, &cia);
if (ret == 0)
inode_set_flags(inode, S_ENCRYPTED, S_ENCRYPTED);
kfree(cia.fscrypt_auth);
@@ -129,10 +129,11 @@ static bool ceph_crypt_empty_dir(struct inode *inode)
static const union fscrypt_policy *ceph_get_dummy_policy(struct super_block *sb)
{
- return ceph_sb_to_client(sb)->fsc_dummy_enc_policy.policy;
+ return ceph_sb_to_fs_client(sb)->fsc_dummy_enc_policy.policy;
}
static struct fscrypt_operations ceph_fscrypt_ops = {
+ .needs_bounce_pages = 1,
.get_context = ceph_crypt_get_context,
.set_context = ceph_crypt_set_context,
.get_dummy_policy = ceph_get_dummy_policy,
@@ -211,6 +212,7 @@ void ceph_fscrypt_as_ctx_to_req(struct ceph_mds_request *req,
static struct inode *parse_longname(const struct inode *parent,
const char *name, int *name_len)
{
+ struct ceph_client *cl = ceph_inode_to_client(parent);
struct inode *dir = NULL;
struct ceph_vino vino = { .snap = CEPH_NOSNAP };
char *inode_number;
@@ -222,12 +224,12 @@ static struct inode *parse_longname(const struct inode *parent,
name++;
name_end = strrchr(name, '_');
if (!name_end) {
- dout("Failed to parse long snapshot name: %s\n", name);
+ doutc(cl, "failed to parse long snapshot name: %s\n", name);
return ERR_PTR(-EIO);
}
*name_len = (name_end - name);
if (*name_len <= 0) {
- pr_err("Failed to parse long snapshot name\n");
+ pr_err_client(cl, "failed to parse long snapshot name\n");
return ERR_PTR(-EIO);
}
@@ -239,7 +241,7 @@ static struct inode *parse_longname(const struct inode *parent,
return ERR_PTR(-ENOMEM);
ret = kstrtou64(inode_number, 10, &vino.ino);
if (ret) {
- dout("Failed to parse inode number: %s\n", name);
+ doutc(cl, "failed to parse inode number: %s\n", name);
dir = ERR_PTR(ret);
goto out;
}
@@ -250,7 +252,7 @@ static struct inode *parse_longname(const struct inode *parent,
/* This can happen if we're not mounting cephfs on the root */
dir = ceph_get_inode(parent->i_sb, vino, NULL);
if (IS_ERR(dir))
- dout("Can't find inode %s (%s)\n", inode_number, name);
+ doutc(cl, "can't find inode %s (%s)\n", inode_number, name);
}
out:
@@ -261,6 +263,7 @@ out:
int ceph_encode_encrypted_dname(struct inode *parent, struct qstr *d_name,
char *buf)
{
+ struct ceph_client *cl = ceph_inode_to_client(parent);
struct inode *dir = parent;
struct qstr iname;
u32 len;
@@ -329,7 +332,7 @@ int ceph_encode_encrypted_dname(struct inode *parent, struct qstr *d_name,
/* base64 encode the encrypted name */
elen = ceph_base64_encode(cryptbuf, len, buf);
- dout("base64-encoded ciphertext name = %.*s\n", elen, buf);
+ doutc(cl, "base64-encoded ciphertext name = %.*s\n", elen, buf);
/* To understand the 240 limit, see CEPH_NOHASH_NAME_MAX comments */
WARN_ON(elen > 240);
@@ -504,7 +507,10 @@ int ceph_fscrypt_decrypt_block_inplace(const struct inode *inode,
struct page *page, unsigned int len,
unsigned int offs, u64 lblk_num)
{
- dout("%s: len %u offs %u blk %llu\n", __func__, len, offs, lblk_num);
+ struct ceph_client *cl = ceph_inode_to_client(inode);
+
+ doutc(cl, "%p %llx.%llx len %u offs %u blk %llu\n", inode,
+ ceph_vinop(inode), len, offs, lblk_num);
return fscrypt_decrypt_block_inplace(inode, page, len, offs, lblk_num);
}
@@ -513,7 +519,10 @@ int ceph_fscrypt_encrypt_block_inplace(const struct inode *inode,
unsigned int offs, u64 lblk_num,
gfp_t gfp_flags)
{
- dout("%s: len %u offs %u blk %llu\n", __func__, len, offs, lblk_num);
+ struct ceph_client *cl = ceph_inode_to_client(inode);
+
+ doutc(cl, "%p %llx.%llx len %u offs %u blk %llu\n", inode,
+ ceph_vinop(inode), len, offs, lblk_num);
return fscrypt_encrypt_block_inplace(inode, page, len, offs, lblk_num,
gfp_flags);
}
@@ -582,6 +591,7 @@ int ceph_fscrypt_decrypt_extents(struct inode *inode, struct page **page,
u64 off, struct ceph_sparse_extent *map,
u32 ext_cnt)
{
+ struct ceph_client *cl = ceph_inode_to_client(inode);
int i, ret = 0;
struct ceph_inode_info *ci = ceph_inode(inode);
u64 objno, objoff;
@@ -589,7 +599,8 @@ int ceph_fscrypt_decrypt_extents(struct inode *inode, struct page **page,
/* Nothing to do for empty array */
if (ext_cnt == 0) {
- dout("%s: empty array, ret 0\n", __func__);
+ doutc(cl, "%p %llx.%llx empty array, ret 0\n", inode,
+ ceph_vinop(inode));
return 0;
}
@@ -603,14 +614,17 @@ int ceph_fscrypt_decrypt_extents(struct inode *inode, struct page **page,
int fret;
if ((ext->off | ext->len) & ~CEPH_FSCRYPT_BLOCK_MASK) {
- pr_warn("%s: bad encrypted sparse extent idx %d off %llx len %llx\n",
- __func__, i, ext->off, ext->len);
+ pr_warn_client(cl,
+ "%p %llx.%llx bad encrypted sparse extent "
+ "idx %d off %llx len %llx\n",
+ inode, ceph_vinop(inode), i, ext->off,
+ ext->len);
return -EIO;
}
fret = ceph_fscrypt_decrypt_pages(inode, &page[pgidx],
off + pgsoff, ext->len);
- dout("%s: [%d] 0x%llx~0x%llx fret %d\n", __func__, i,
- ext->off, ext->len, fret);
+ doutc(cl, "%p %llx.%llx [%d] 0x%llx~0x%llx fret %d\n", inode,
+ ceph_vinop(inode), i, ext->off, ext->len, fret);
if (fret < 0) {
if (ret == 0)
ret = fret;
@@ -618,7 +632,7 @@ int ceph_fscrypt_decrypt_extents(struct inode *inode, struct page **page,
}
ret = pgsoff + fret;
}
- dout("%s: ret %d\n", __func__, ret);
+ doutc(cl, "ret %d\n", ret);
return ret;
}