| Message ID | 20210625135834.12934-12-jlayton@kernel.org |
|---|---|
| State | New |
| Headers | show |
| Series | [RFC,v7,01/24] vfs: export new_inode_pseudo | expand |
On Fri, Jun 25, 2021 at 09:58:21AM -0400, Jeff Layton wrote: > After pre-creating a new inode, do an fscrypt prepare on it, fetch a > new encryption context and then marshal that into the security context > to be sent along with the RPC. Call the new function from > ceph_new_inode. > > Signed-off-by: Jeff Layton <jlayton@kernel.org> > --- > fs/ceph/crypto.c | 42 ++++++++++++++++++++++++++++++++++++++++++ > fs/ceph/crypto.h | 25 +++++++++++++++++++++++++ > fs/ceph/inode.c | 10 ++++++++-- > fs/ceph/super.h | 5 +++++ > fs/ceph/xattr.c | 3 +++ > 5 files changed, 83 insertions(+), 2 deletions(-) > > diff --git a/fs/ceph/crypto.c b/fs/ceph/crypto.c > index 997a33e1d59f..675d41fd2eb0 100644 > --- a/fs/ceph/crypto.c > +++ b/fs/ceph/crypto.c > @@ -4,6 +4,7 @@ > #include <linux/fscrypt.h> > > #include "super.h" > +#include "mds_client.h" > #include "crypto.h" > > static int ceph_crypt_get_context(struct inode *inode, void *ctx, size_t len) > @@ -86,3 +87,44 @@ void ceph_fscrypt_set_ops(struct super_block *sb) > { > fscrypt_set_ops(sb, &ceph_fscrypt_ops); > } > + > +int ceph_fscrypt_prepare_context(struct inode *dir, struct inode *inode, > + struct ceph_acl_sec_ctx *as) > +{ > + int ret, ctxsize; > + bool encrypted = false; > + struct ceph_inode_info *ci = ceph_inode(inode); > + > + ret = fscrypt_prepare_new_inode(dir, inode, &encrypted); > + if (ret) > + return ret; > + if (!encrypted) > + return 0; > + > + as->fscrypt_auth = kzalloc(sizeof(*as->fscrypt_auth), GFP_KERNEL); > + if (!as->fscrypt_auth) > + return -ENOMEM; > + > + ctxsize = fscrypt_context_for_new_inode(as->fscrypt_auth->cfa_blob, inode); > + if (ctxsize < 0) > + return ctxsize; > + > + as->fscrypt_auth->cfa_version = cpu_to_le32(CEPH_FSCRYPT_AUTH_VERSION); > + as->fscrypt_auth->cfa_blob_len = cpu_to_le32(ctxsize); > + > + WARN_ON_ONCE(ci->fscrypt_auth); > + kfree(ci->fscrypt_auth); It's odd to have again a kfree() after a WARN_ON_ONCE() :-) > + ci->fscrypt_auth_len = ceph_fscrypt_auth_size(ctxsize); > + ci->fscrypt_auth = kmemdup(as->fscrypt_auth, ci->fscrypt_auth_len, GFP_KERNEL); > + if (!ci->fscrypt_auth) > + return -ENOMEM; > + > + inode->i_flags |= S_ENCRYPTED; > + > + return 0; > +} > + > +void ceph_fscrypt_as_ctx_to_req(struct ceph_mds_request *req, struct ceph_acl_sec_ctx *as) > +{ > + swap(req->r_fscrypt_auth, as->fscrypt_auth); > +} This means that req->r_fscrypt_auth will need to be freed in ceph_mdsc_release_request(). (I believe you've moved this function to some other commit in your experimental branch). Cheers, -- Luís > diff --git a/fs/ceph/crypto.h b/fs/ceph/crypto.h > index d2b1f8e7b300..bdf1ba47db16 100644 > --- a/fs/ceph/crypto.h > +++ b/fs/ceph/crypto.h > @@ -11,6 +11,9 @@ > #define CEPH_XATTR_NAME_ENCRYPTION_CONTEXT "encryption.ctx" > > #ifdef CONFIG_FS_ENCRYPTION > +struct ceph_fs_client; > +struct ceph_acl_sec_ctx; > +struct ceph_mds_request; > > #define CEPH_FSCRYPT_AUTH_VERSION 1 > struct ceph_fscrypt_auth { > @@ -19,10 +22,19 @@ struct ceph_fscrypt_auth { > u8 cfa_blob[FSCRYPT_SET_CONTEXT_MAX_SIZE]; > } __packed; > > +static inline u32 ceph_fscrypt_auth_size(u32 ctxsize) > +{ > + return offsetof(struct ceph_fscrypt_auth, cfa_blob) + ctxsize; > +} > + > void ceph_fscrypt_set_ops(struct super_block *sb); > > void ceph_fscrypt_free_dummy_policy(struct ceph_fs_client *fsc); > > +int ceph_fscrypt_prepare_context(struct inode *dir, struct inode *inode, > + struct ceph_acl_sec_ctx *as); > +void ceph_fscrypt_as_ctx_to_req(struct ceph_mds_request *req, struct ceph_acl_sec_ctx *as); > + > #else /* CONFIG_FS_ENCRYPTION */ > > static inline void ceph_fscrypt_set_ops(struct super_block *sb) > @@ -32,6 +44,19 @@ static inline void ceph_fscrypt_set_ops(struct super_block *sb) > static inline void ceph_fscrypt_free_dummy_policy(struct ceph_fs_client *fsc) > { > } > + > +static inline int ceph_fscrypt_prepare_context(struct inode *dir, struct inode *inode, > + struct ceph_acl_sec_ctx *as) > +{ > + if (IS_ENCRYPTED(dir)) > + return -EOPNOTSUPP; > + return 0; > +} > + > +static inline void ceph_fscrypt_as_ctx_to_req(struct ceph_mds_request *req, > + struct ceph_acl_sec_ctx *as_ctx) > +{ > +} > #endif /* CONFIG_FS_ENCRYPTION */ > > #endif > diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c > index fba139a4f57b..a0b311195e80 100644 > --- a/fs/ceph/inode.c > +++ b/fs/ceph/inode.c > @@ -83,12 +83,17 @@ struct inode *ceph_new_inode(struct inode *dir, struct dentry *dentry, > goto out_err; > } > > + inode->i_state = 0; > + inode->i_mode = *mode; > + > err = ceph_security_init_secctx(dentry, *mode, as_ctx); > if (err < 0) > goto out_err; > > - inode->i_state = 0; > - inode->i_mode = *mode; > + err = ceph_fscrypt_prepare_context(dir, inode, as_ctx); > + if (err) > + goto out_err; > + > return inode; > out_err: > iput(inode); > @@ -101,6 +106,7 @@ void ceph_as_ctx_to_req(struct ceph_mds_request *req, struct ceph_acl_sec_ctx *a > req->r_pagelist = as_ctx->pagelist; > as_ctx->pagelist = NULL; > } > + ceph_fscrypt_as_ctx_to_req(req, as_ctx); > } > > /** > diff --git a/fs/ceph/super.h b/fs/ceph/super.h > index 534c2a76562d..651d7909a443 100644 > --- a/fs/ceph/super.h > +++ b/fs/ceph/super.h > @@ -26,6 +26,8 @@ > #include <linux/fscache.h> > #endif > > +#include "crypto.h" > + > /* f_type in struct statfs */ > #define CEPH_SUPER_MAGIC 0x00c36400 > > @@ -1068,6 +1070,9 @@ struct ceph_acl_sec_ctx { > #ifdef CONFIG_CEPH_FS_SECURITY_LABEL > void *sec_ctx; > u32 sec_ctxlen; > +#endif > +#ifdef CONFIG_FS_ENCRYPTION > + struct ceph_fscrypt_auth *fscrypt_auth; > #endif > struct ceph_pagelist *pagelist; > }; > diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c > index 1242db8d3444..16a62a2bd61e 100644 > --- a/fs/ceph/xattr.c > +++ b/fs/ceph/xattr.c > @@ -1362,6 +1362,9 @@ void ceph_release_acl_sec_ctx(struct ceph_acl_sec_ctx *as_ctx) > #endif > #ifdef CONFIG_CEPH_FS_SECURITY_LABEL > security_release_secctx(as_ctx->sec_ctx, as_ctx->sec_ctxlen); > +#endif > +#ifdef CONFIG_FS_ENCRYPTION > + kfree(as_ctx->fscrypt_auth); > #endif > if (as_ctx->pagelist) > ceph_pagelist_release(as_ctx->pagelist); > -- > 2.31.1 >
On Wed, 2021-07-07 at 11:48 +0100, Luis Henriques wrote: > On Fri, Jun 25, 2021 at 09:58:21AM -0400, Jeff Layton wrote: > > After pre-creating a new inode, do an fscrypt prepare on it, fetch a > > new encryption context and then marshal that into the security context > > to be sent along with the RPC. Call the new function from > > ceph_new_inode. > > > > Signed-off-by: Jeff Layton <jlayton@kernel.org> > > --- > > fs/ceph/crypto.c | 42 ++++++++++++++++++++++++++++++++++++++++++ > > fs/ceph/crypto.h | 25 +++++++++++++++++++++++++ > > fs/ceph/inode.c | 10 ++++++++-- > > fs/ceph/super.h | 5 +++++ > > fs/ceph/xattr.c | 3 +++ > > 5 files changed, 83 insertions(+), 2 deletions(-) > > > > diff --git a/fs/ceph/crypto.c b/fs/ceph/crypto.c > > index 997a33e1d59f..675d41fd2eb0 100644 > > --- a/fs/ceph/crypto.c > > +++ b/fs/ceph/crypto.c > > @@ -4,6 +4,7 @@ > > #include <linux/fscrypt.h> > > > > #include "super.h" > > +#include "mds_client.h" > > #include "crypto.h" > > > > static int ceph_crypt_get_context(struct inode *inode, void *ctx, size_t len) > > @@ -86,3 +87,44 @@ void ceph_fscrypt_set_ops(struct super_block *sb) > > { > > fscrypt_set_ops(sb, &ceph_fscrypt_ops); > > } > > + > > +int ceph_fscrypt_prepare_context(struct inode *dir, struct inode *inode, > > + struct ceph_acl_sec_ctx *as) > > +{ > > + int ret, ctxsize; > > + bool encrypted = false; > > + struct ceph_inode_info *ci = ceph_inode(inode); > > + > > + ret = fscrypt_prepare_new_inode(dir, inode, &encrypted); > > + if (ret) > > + return ret; > > + if (!encrypted) > > + return 0; > > + > > + as->fscrypt_auth = kzalloc(sizeof(*as->fscrypt_auth), GFP_KERNEL); > > + if (!as->fscrypt_auth) > > + return -ENOMEM; > > + > > + ctxsize = fscrypt_context_for_new_inode(as->fscrypt_auth->cfa_blob, inode); > > + if (ctxsize < 0) > > + return ctxsize; > > + > > + as->fscrypt_auth->cfa_version = cpu_to_le32(CEPH_FSCRYPT_AUTH_VERSION); > > + as->fscrypt_auth->cfa_blob_len = cpu_to_le32(ctxsize); > > + > > + WARN_ON_ONCE(ci->fscrypt_auth); > > + kfree(ci->fscrypt_auth); > > It's odd to have again a kfree() after a WARN_ON_ONCE() :-) > Throw a warning but handle the case sanely? That seems normal to me :) > > + ci->fscrypt_auth_len = ceph_fscrypt_auth_size(ctxsize); > > + ci->fscrypt_auth = kmemdup(as->fscrypt_auth, ci->fscrypt_auth_len, GFP_KERNEL); > > + if (!ci->fscrypt_auth) > > + return -ENOMEM; > > + > > + inode->i_flags |= S_ENCRYPTED; > > + > > + return 0; > > +} > > + > > +void ceph_fscrypt_as_ctx_to_req(struct ceph_mds_request *req, struct ceph_acl_sec_ctx *as) > > +{ > > + swap(req->r_fscrypt_auth, as->fscrypt_auth); > > +} > > This means that req->r_fscrypt_auth will need to be freed in > ceph_mdsc_release_request(). (I believe you've moved this function to > some other commit in your experimental branch). > Ahh yes. Good catch. I'll fix that up too. > > diff --git a/fs/ceph/crypto.h b/fs/ceph/crypto.h > > index d2b1f8e7b300..bdf1ba47db16 100644 > > --- a/fs/ceph/crypto.h > > +++ b/fs/ceph/crypto.h > > @@ -11,6 +11,9 @@ > > #define CEPH_XATTR_NAME_ENCRYPTION_CONTEXT "encryption.ctx" > > > > #ifdef CONFIG_FS_ENCRYPTION > > +struct ceph_fs_client; > > +struct ceph_acl_sec_ctx; > > +struct ceph_mds_request; > > > > #define CEPH_FSCRYPT_AUTH_VERSION 1 > > struct ceph_fscrypt_auth { > > @@ -19,10 +22,19 @@ struct ceph_fscrypt_auth { > > u8 cfa_blob[FSCRYPT_SET_CONTEXT_MAX_SIZE]; > > } __packed; > > > > +static inline u32 ceph_fscrypt_auth_size(u32 ctxsize) > > +{ > > + return offsetof(struct ceph_fscrypt_auth, cfa_blob) + ctxsize; > > +} > > + > > void ceph_fscrypt_set_ops(struct super_block *sb); > > > > void ceph_fscrypt_free_dummy_policy(struct ceph_fs_client *fsc); > > > > +int ceph_fscrypt_prepare_context(struct inode *dir, struct inode *inode, > > + struct ceph_acl_sec_ctx *as); > > +void ceph_fscrypt_as_ctx_to_req(struct ceph_mds_request *req, struct ceph_acl_sec_ctx *as); > > + > > #else /* CONFIG_FS_ENCRYPTION */ > > > > static inline void ceph_fscrypt_set_ops(struct super_block *sb) > > @@ -32,6 +44,19 @@ static inline void ceph_fscrypt_set_ops(struct super_block *sb) > > static inline void ceph_fscrypt_free_dummy_policy(struct ceph_fs_client *fsc) > > { > > } > > + > > +static inline int ceph_fscrypt_prepare_context(struct inode *dir, struct inode *inode, > > + struct ceph_acl_sec_ctx *as) > > +{ > > + if (IS_ENCRYPTED(dir)) > > + return -EOPNOTSUPP; > > + return 0; > > +} > > + > > +static inline void ceph_fscrypt_as_ctx_to_req(struct ceph_mds_request *req, > > + struct ceph_acl_sec_ctx *as_ctx) > > +{ > > +} > > #endif /* CONFIG_FS_ENCRYPTION */ > > > > #endif > > diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c > > index fba139a4f57b..a0b311195e80 100644 > > --- a/fs/ceph/inode.c > > +++ b/fs/ceph/inode.c > > @@ -83,12 +83,17 @@ struct inode *ceph_new_inode(struct inode *dir, struct dentry *dentry, > > goto out_err; > > } > > > > + inode->i_state = 0; > > + inode->i_mode = *mode; > > + > > err = ceph_security_init_secctx(dentry, *mode, as_ctx); > > if (err < 0) > > goto out_err; > > > > - inode->i_state = 0; > > - inode->i_mode = *mode; > > + err = ceph_fscrypt_prepare_context(dir, inode, as_ctx); > > + if (err) > > + goto out_err; > > + > > return inode; > > out_err: > > iput(inode); > > @@ -101,6 +106,7 @@ void ceph_as_ctx_to_req(struct ceph_mds_request *req, struct ceph_acl_sec_ctx *a > > req->r_pagelist = as_ctx->pagelist; > > as_ctx->pagelist = NULL; > > } > > + ceph_fscrypt_as_ctx_to_req(req, as_ctx); > > } > > > > /** > > diff --git a/fs/ceph/super.h b/fs/ceph/super.h > > index 534c2a76562d..651d7909a443 100644 > > --- a/fs/ceph/super.h > > +++ b/fs/ceph/super.h > > @@ -26,6 +26,8 @@ > > #include <linux/fscache.h> > > #endif > > > > +#include "crypto.h" > > + > > /* f_type in struct statfs */ > > #define CEPH_SUPER_MAGIC 0x00c36400 > > > > @@ -1068,6 +1070,9 @@ struct ceph_acl_sec_ctx { > > #ifdef CONFIG_CEPH_FS_SECURITY_LABEL > > void *sec_ctx; > > u32 sec_ctxlen; > > +#endif > > +#ifdef CONFIG_FS_ENCRYPTION > > + struct ceph_fscrypt_auth *fscrypt_auth; > > #endif > > struct ceph_pagelist *pagelist; > > }; > > diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c > > index 1242db8d3444..16a62a2bd61e 100644 > > --- a/fs/ceph/xattr.c > > +++ b/fs/ceph/xattr.c > > @@ -1362,6 +1362,9 @@ void ceph_release_acl_sec_ctx(struct ceph_acl_sec_ctx *as_ctx) > > #endif > > #ifdef CONFIG_CEPH_FS_SECURITY_LABEL > > security_release_secctx(as_ctx->sec_ctx, as_ctx->sec_ctxlen); > > +#endif > > +#ifdef CONFIG_FS_ENCRYPTION > > + kfree(as_ctx->fscrypt_auth); > > #endif > > if (as_ctx->pagelist) > > ceph_pagelist_release(as_ctx->pagelist); > > -- > > 2.31.1 > > -- Jeff Layton <jlayton@kernel.org>
diff --git a/fs/ceph/crypto.c b/fs/ceph/crypto.c index 997a33e1d59f..675d41fd2eb0 100644 --- a/fs/ceph/crypto.c +++ b/fs/ceph/crypto.c @@ -4,6 +4,7 @@ #include <linux/fscrypt.h> #include "super.h" +#include "mds_client.h" #include "crypto.h" static int ceph_crypt_get_context(struct inode *inode, void *ctx, size_t len) @@ -86,3 +87,44 @@ void ceph_fscrypt_set_ops(struct super_block *sb) { fscrypt_set_ops(sb, &ceph_fscrypt_ops); } + +int ceph_fscrypt_prepare_context(struct inode *dir, struct inode *inode, + struct ceph_acl_sec_ctx *as) +{ + int ret, ctxsize; + bool encrypted = false; + struct ceph_inode_info *ci = ceph_inode(inode); + + ret = fscrypt_prepare_new_inode(dir, inode, &encrypted); + if (ret) + return ret; + if (!encrypted) + return 0; + + as->fscrypt_auth = kzalloc(sizeof(*as->fscrypt_auth), GFP_KERNEL); + if (!as->fscrypt_auth) + return -ENOMEM; + + ctxsize = fscrypt_context_for_new_inode(as->fscrypt_auth->cfa_blob, inode); + if (ctxsize < 0) + return ctxsize; + + as->fscrypt_auth->cfa_version = cpu_to_le32(CEPH_FSCRYPT_AUTH_VERSION); + as->fscrypt_auth->cfa_blob_len = cpu_to_le32(ctxsize); + + WARN_ON_ONCE(ci->fscrypt_auth); + kfree(ci->fscrypt_auth); + ci->fscrypt_auth_len = ceph_fscrypt_auth_size(ctxsize); + ci->fscrypt_auth = kmemdup(as->fscrypt_auth, ci->fscrypt_auth_len, GFP_KERNEL); + if (!ci->fscrypt_auth) + return -ENOMEM; + + inode->i_flags |= S_ENCRYPTED; + + return 0; +} + +void ceph_fscrypt_as_ctx_to_req(struct ceph_mds_request *req, struct ceph_acl_sec_ctx *as) +{ + swap(req->r_fscrypt_auth, as->fscrypt_auth); +} diff --git a/fs/ceph/crypto.h b/fs/ceph/crypto.h index d2b1f8e7b300..bdf1ba47db16 100644 --- a/fs/ceph/crypto.h +++ b/fs/ceph/crypto.h @@ -11,6 +11,9 @@ #define CEPH_XATTR_NAME_ENCRYPTION_CONTEXT "encryption.ctx" #ifdef CONFIG_FS_ENCRYPTION +struct ceph_fs_client; +struct ceph_acl_sec_ctx; +struct ceph_mds_request; #define CEPH_FSCRYPT_AUTH_VERSION 1 struct ceph_fscrypt_auth { @@ -19,10 +22,19 @@ struct ceph_fscrypt_auth { u8 cfa_blob[FSCRYPT_SET_CONTEXT_MAX_SIZE]; } __packed; +static inline u32 ceph_fscrypt_auth_size(u32 ctxsize) +{ + return offsetof(struct ceph_fscrypt_auth, cfa_blob) + ctxsize; +} + void ceph_fscrypt_set_ops(struct super_block *sb); void ceph_fscrypt_free_dummy_policy(struct ceph_fs_client *fsc); +int ceph_fscrypt_prepare_context(struct inode *dir, struct inode *inode, + struct ceph_acl_sec_ctx *as); +void ceph_fscrypt_as_ctx_to_req(struct ceph_mds_request *req, struct ceph_acl_sec_ctx *as); + #else /* CONFIG_FS_ENCRYPTION */ static inline void ceph_fscrypt_set_ops(struct super_block *sb) @@ -32,6 +44,19 @@ static inline void ceph_fscrypt_set_ops(struct super_block *sb) static inline void ceph_fscrypt_free_dummy_policy(struct ceph_fs_client *fsc) { } + +static inline int ceph_fscrypt_prepare_context(struct inode *dir, struct inode *inode, + struct ceph_acl_sec_ctx *as) +{ + if (IS_ENCRYPTED(dir)) + return -EOPNOTSUPP; + return 0; +} + +static inline void ceph_fscrypt_as_ctx_to_req(struct ceph_mds_request *req, + struct ceph_acl_sec_ctx *as_ctx) +{ +} #endif /* CONFIG_FS_ENCRYPTION */ #endif diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index fba139a4f57b..a0b311195e80 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -83,12 +83,17 @@ struct inode *ceph_new_inode(struct inode *dir, struct dentry *dentry, goto out_err; } + inode->i_state = 0; + inode->i_mode = *mode; + err = ceph_security_init_secctx(dentry, *mode, as_ctx); if (err < 0) goto out_err; - inode->i_state = 0; - inode->i_mode = *mode; + err = ceph_fscrypt_prepare_context(dir, inode, as_ctx); + if (err) + goto out_err; + return inode; out_err: iput(inode); @@ -101,6 +106,7 @@ void ceph_as_ctx_to_req(struct ceph_mds_request *req, struct ceph_acl_sec_ctx *a req->r_pagelist = as_ctx->pagelist; as_ctx->pagelist = NULL; } + ceph_fscrypt_as_ctx_to_req(req, as_ctx); } /** diff --git a/fs/ceph/super.h b/fs/ceph/super.h index 534c2a76562d..651d7909a443 100644 --- a/fs/ceph/super.h +++ b/fs/ceph/super.h @@ -26,6 +26,8 @@ #include <linux/fscache.h> #endif +#include "crypto.h" + /* f_type in struct statfs */ #define CEPH_SUPER_MAGIC 0x00c36400 @@ -1068,6 +1070,9 @@ struct ceph_acl_sec_ctx { #ifdef CONFIG_CEPH_FS_SECURITY_LABEL void *sec_ctx; u32 sec_ctxlen; +#endif +#ifdef CONFIG_FS_ENCRYPTION + struct ceph_fscrypt_auth *fscrypt_auth; #endif struct ceph_pagelist *pagelist; }; diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c index 1242db8d3444..16a62a2bd61e 100644 --- a/fs/ceph/xattr.c +++ b/fs/ceph/xattr.c @@ -1362,6 +1362,9 @@ void ceph_release_acl_sec_ctx(struct ceph_acl_sec_ctx *as_ctx) #endif #ifdef CONFIG_CEPH_FS_SECURITY_LABEL security_release_secctx(as_ctx->sec_ctx, as_ctx->sec_ctxlen); +#endif +#ifdef CONFIG_FS_ENCRYPTION + kfree(as_ctx->fscrypt_auth); #endif if (as_ctx->pagelist) ceph_pagelist_release(as_ctx->pagelist);
After pre-creating a new inode, do an fscrypt prepare on it, fetch a new encryption context and then marshal that into the security context to be sent along with the RPC. Call the new function from ceph_new_inode. Signed-off-by: Jeff Layton <jlayton@kernel.org> --- fs/ceph/crypto.c | 42 ++++++++++++++++++++++++++++++++++++++++++ fs/ceph/crypto.h | 25 +++++++++++++++++++++++++ fs/ceph/inode.c | 10 ++++++++-- fs/ceph/super.h | 5 +++++ fs/ceph/xattr.c | 3 +++ 5 files changed, 83 insertions(+), 2 deletions(-)