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-rw-r--r--fs/btrfs/ctree.c5
-rw-r--r--fs/btrfs/extent-tree.c2
-rw-r--r--fs/btrfs/super.c2
-rw-r--r--fs/btrfs/transaction.h2
-rw-r--r--fs/cifs/cifs_unicode.c33
-rw-r--r--fs/cifs/cifs_unicode.h2
-rw-r--r--fs/cifs/connect.c4
-rw-r--r--fs/cifs/ntlmssp.h2
-rw-r--r--fs/cifs/sess.c76
-rw-r--r--fs/cifs/smb2pdu.c37
-rw-r--r--fs/namespace.c10
-rw-r--r--fs/nfs/dir.c2
-rw-r--r--fs/nfs/nfs4proc.c5
-rw-r--r--fs/nfsd/nfs2acl.c20
-rw-r--r--fs/nfsd/nfs3acl.c16
-rw-r--r--fs/nfsd/nfs4acl.c16
-rw-r--r--fs/nfsd/nfs4callback.c18
-rw-r--r--fs/nfsd/nfs4state.c50
-rw-r--r--fs/nfsd/state.h2
-rw-r--r--fs/overlayfs/dir.c113
-rw-r--r--fs/overlayfs/inode.c3
-rw-r--r--fs/overlayfs/overlayfs.h1
-rw-r--r--fs/posix_acl.c41
-rw-r--r--fs/ubifs/file.c24
24 files changed, 292 insertions, 194 deletions
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 5b8e235c4b6d..0f2b7c622ce3 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -1551,6 +1551,7 @@ noinline int btrfs_cow_block(struct btrfs_trans_handle *trans,
trans->transid, root->fs_info->generation);
if (!should_cow_block(trans, root, buf)) {
+ trans->dirty = true;
*cow_ret = buf;
return 0;
}
@@ -2773,8 +2774,10 @@ again:
* then we don't want to set the path blocking,
* so we test it here
*/
- if (!should_cow_block(trans, root, b))
+ if (!should_cow_block(trans, root, b)) {
+ trans->dirty = true;
goto cow_done;
+ }
/*
* must have write locks on this node and the
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 2368cac1115a..47cdc6f3390b 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -7856,7 +7856,7 @@ btrfs_init_new_buffer(struct btrfs_trans_handle *trans, struct btrfs_root *root,
set_extent_dirty(&trans->transaction->dirty_pages, buf->start,
buf->start + buf->len - 1, GFP_NOFS);
}
- trans->blocks_used++;
+ trans->dirty = true;
/* this returns a buffer locked for blocking */
return buf;
}
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index fe609b81dd1b..5d34a062ca4f 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -239,7 +239,7 @@ void __btrfs_abort_transaction(struct btrfs_trans_handle *trans,
trans->aborted = errno;
/* Nothing used. The other threads that have joined this
* transaction may be able to continue. */
- if (!trans->blocks_used && list_empty(&trans->new_bgs)) {
+ if (!trans->dirty && list_empty(&trans->new_bgs)) {
const char *errstr;
errstr = btrfs_decode_error(errno);
diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h
index 64c8221b6165..1e872923ec2c 100644
--- a/fs/btrfs/transaction.h
+++ b/fs/btrfs/transaction.h
@@ -110,7 +110,6 @@ struct btrfs_trans_handle {
u64 chunk_bytes_reserved;
unsigned long use_count;
unsigned long blocks_reserved;
- unsigned long blocks_used;
unsigned long delayed_ref_updates;
struct btrfs_transaction *transaction;
struct btrfs_block_rsv *block_rsv;
@@ -121,6 +120,7 @@ struct btrfs_trans_handle {
bool can_flush_pending_bgs;
bool reloc_reserved;
bool sync;
+ bool dirty;
unsigned int type;
/*
* this root is only needed to validate that the root passed to
diff --git a/fs/cifs/cifs_unicode.c b/fs/cifs/cifs_unicode.c
index 5a53ac6b1e02..02b071bf3732 100644
--- a/fs/cifs/cifs_unicode.c
+++ b/fs/cifs/cifs_unicode.c
@@ -101,6 +101,12 @@ convert_sfm_char(const __u16 src_char, char *target)
case SFM_SLASH:
*target = '\\';
break;
+ case SFM_SPACE:
+ *target = ' ';
+ break;
+ case SFM_PERIOD:
+ *target = '.';
+ break;
default:
return false;
}
@@ -404,7 +410,7 @@ static __le16 convert_to_sfu_char(char src_char)
return dest_char;
}
-static __le16 convert_to_sfm_char(char src_char)
+static __le16 convert_to_sfm_char(char src_char, bool end_of_string)
{
__le16 dest_char;
@@ -427,6 +433,18 @@ static __le16 convert_to_sfm_char(char src_char)
case '|':
dest_char = cpu_to_le16(SFM_PIPE);
break;
+ case '.':
+ if (end_of_string)
+ dest_char = cpu_to_le16(SFM_PERIOD);
+ else
+ dest_char = 0;
+ break;
+ case ' ':
+ if (end_of_string)
+ dest_char = cpu_to_le16(SFM_SPACE);
+ else
+ dest_char = 0;
+ break;
default:
dest_char = 0;
}
@@ -469,9 +487,16 @@ cifsConvertToUTF16(__le16 *target, const char *source, int srclen,
/* see if we must remap this char */
if (map_chars == SFU_MAP_UNI_RSVD)
dst_char = convert_to_sfu_char(src_char);
- else if (map_chars == SFM_MAP_UNI_RSVD)
- dst_char = convert_to_sfm_char(src_char);
- else
+ else if (map_chars == SFM_MAP_UNI_RSVD) {
+ bool end_of_string;
+
+ if (i == srclen - 1)
+ end_of_string = true;
+ else
+ end_of_string = false;
+
+ dst_char = convert_to_sfm_char(src_char, end_of_string);
+ } else
dst_char = 0;
/*
* FIXME: We can not handle remapping backslash (UNI_SLASH)
diff --git a/fs/cifs/cifs_unicode.h b/fs/cifs/cifs_unicode.h
index bdc52cb9a676..479bc0a941f3 100644
--- a/fs/cifs/cifs_unicode.h
+++ b/fs/cifs/cifs_unicode.h
@@ -64,6 +64,8 @@
#define SFM_LESSTHAN ((__u16) 0xF023)
#define SFM_PIPE ((__u16) 0xF027)
#define SFM_SLASH ((__u16) 0xF026)
+#define SFM_PERIOD ((__u16) 0xF028)
+#define SFM_SPACE ((__u16) 0xF029)
/*
* Mapping mechanism to use when one of the seven reserved characters is
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 3c194ff0d2f0..5481a6eb9a95 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -425,7 +425,9 @@ cifs_echo_request(struct work_struct *work)
* server->ops->need_neg() == true. Also, no need to ping if
* we got a response recently.
*/
- if (!server->ops->need_neg || server->ops->need_neg(server) ||
+
+ if (server->tcpStatus == CifsNeedReconnect ||
+ server->tcpStatus == CifsExiting || server->tcpStatus == CifsNew ||
(server->ops->can_echo && !server->ops->can_echo(server)) ||
time_before(jiffies, server->lstrp + SMB_ECHO_INTERVAL - HZ))
goto requeue_echo;
diff --git a/fs/cifs/ntlmssp.h b/fs/cifs/ntlmssp.h
index 848249fa120f..3079b38f0afb 100644
--- a/fs/cifs/ntlmssp.h
+++ b/fs/cifs/ntlmssp.h
@@ -133,6 +133,6 @@ typedef struct _AUTHENTICATE_MESSAGE {
int decode_ntlmssp_challenge(char *bcc_ptr, int blob_len, struct cifs_ses *ses);
void build_ntlmssp_negotiate_blob(unsigned char *pbuffer, struct cifs_ses *ses);
-int build_ntlmssp_auth_blob(unsigned char *pbuffer, u16 *buflen,
+int build_ntlmssp_auth_blob(unsigned char **pbuffer, u16 *buflen,
struct cifs_ses *ses,
const struct nls_table *nls_cp);
diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c
index af0ec2d5ad0e..e88ffe1da045 100644
--- a/fs/cifs/sess.c
+++ b/fs/cifs/sess.c
@@ -364,19 +364,43 @@ void build_ntlmssp_negotiate_blob(unsigned char *pbuffer,
sec_blob->DomainName.MaximumLength = 0;
}
-/* We do not malloc the blob, it is passed in pbuffer, because its
- maximum possible size is fixed and small, making this approach cleaner.
- This function returns the length of the data in the blob */
-int build_ntlmssp_auth_blob(unsigned char *pbuffer,
+static int size_of_ntlmssp_blob(struct cifs_ses *ses)
+{
+ int sz = sizeof(AUTHENTICATE_MESSAGE) + ses->auth_key.len
+ - CIFS_SESS_KEY_SIZE + CIFS_CPHTXT_SIZE + 2;
+
+ if (ses->domainName)
+ sz += 2 * strnlen(ses->domainName, CIFS_MAX_DOMAINNAME_LEN);
+ else
+ sz += 2;
+
+ if (ses->user_name)
+ sz += 2 * strnlen(ses->user_name, CIFS_MAX_USERNAME_LEN);
+ else
+ sz += 2;
+
+ return sz;
+}
+
+int build_ntlmssp_auth_blob(unsigned char **pbuffer,
u16 *buflen,
struct cifs_ses *ses,
const struct nls_table *nls_cp)
{
int rc;
- AUTHENTICATE_MESSAGE *sec_blob = (AUTHENTICATE_MESSAGE *)pbuffer;
+ AUTHENTICATE_MESSAGE *sec_blob;
__u32 flags;
unsigned char *tmp;
+ rc = setup_ntlmv2_rsp(ses, nls_cp);
+ if (rc) {
+ cifs_dbg(VFS, "Error %d during NTLMSSP authentication\n", rc);
+ *buflen = 0;
+ goto setup_ntlmv2_ret;
+ }
+ *pbuffer = kmalloc(size_of_ntlmssp_blob(ses), GFP_KERNEL);
+ sec_blob = (AUTHENTICATE_MESSAGE *)*pbuffer;
+
memcpy(sec_blob->Signature, NTLMSSP_SIGNATURE, 8);
sec_blob->MessageType = NtLmAuthenticate;
@@ -391,7 +415,7 @@ int build_ntlmssp_auth_blob(unsigned char *pbuffer,
flags |= NTLMSSP_NEGOTIATE_KEY_XCH;
}
- tmp = pbuffer + sizeof(AUTHENTICATE_MESSAGE);
+ tmp = *pbuffer + sizeof(AUTHENTICATE_MESSAGE);
sec_blob->NegotiateFlags = cpu_to_le32(flags);
sec_blob->LmChallengeResponse.BufferOffset =
@@ -399,13 +423,9 @@ int build_ntlmssp_auth_blob(unsigned char *pbuffer,
sec_blob->LmChallengeResponse.Length = 0;
sec_blob->LmChallengeResponse.MaximumLength = 0;
- sec_blob->NtChallengeResponse.BufferOffset = cpu_to_le32(tmp - pbuffer);
+ sec_blob->NtChallengeResponse.BufferOffset =
+ cpu_to_le32(tmp - *pbuffer);
if (ses->user_name != NULL) {
- rc = setup_ntlmv2_rsp(ses, nls_cp);
- if (rc) {
- cifs_dbg(VFS, "Error %d during NTLMSSP authentication\n", rc);
- goto setup_ntlmv2_ret;
- }
memcpy(tmp, ses->auth_key.response + CIFS_SESS_KEY_SIZE,
ses->auth_key.len - CIFS_SESS_KEY_SIZE);
tmp += ses->auth_key.len - CIFS_SESS_KEY_SIZE;
@@ -423,7 +443,7 @@ int build_ntlmssp_auth_blob(unsigned char *pbuffer,
}
if (ses->domainName == NULL) {
- sec_blob->DomainName.BufferOffset = cpu_to_le32(tmp - pbuffer);
+ sec_blob->DomainName.BufferOffset = cpu_to_le32(tmp - *pbuffer);
sec_blob->DomainName.Length = 0;
sec_blob->DomainName.MaximumLength = 0;
tmp += 2;
@@ -432,14 +452,14 @@ int build_ntlmssp_auth_blob(unsigned char *pbuffer,
len = cifs_strtoUTF16((__le16 *)tmp, ses->domainName,
CIFS_MAX_USERNAME_LEN, nls_cp);
len *= 2; /* unicode is 2 bytes each */
- sec_blob->DomainName.BufferOffset = cpu_to_le32(tmp - pbuffer);
+ sec_blob->DomainName.BufferOffset = cpu_to_le32(tmp - *pbuffer);
sec_blob->DomainName.Length = cpu_to_le16(len);
sec_blob->DomainName.MaximumLength = cpu_to_le16(len);
tmp += len;
}
if (ses->user_name == NULL) {
- sec_blob->UserName.BufferOffset = cpu_to_le32(tmp - pbuffer);
+ sec_blob->UserName.BufferOffset = cpu_to_le32(tmp - *pbuffer);
sec_blob->UserName.Length = 0;
sec_blob->UserName.MaximumLength = 0;
tmp += 2;
@@ -448,13 +468,13 @@ int build_ntlmssp_auth_blob(unsigned char *pbuffer,
len = cifs_strtoUTF16((__le16 *)tmp, ses->user_name,
CIFS_MAX_USERNAME_LEN, nls_cp);
len *= 2; /* unicode is 2 bytes each */
- sec_blob->UserName.BufferOffset = cpu_to_le32(tmp - pbuffer);
+ sec_blob->UserName.BufferOffset = cpu_to_le32(tmp - *pbuffer);
sec_blob->UserName.Length = cpu_to_le16(len);
sec_blob->UserName.MaximumLength = cpu_to_le16(len);
tmp += len;
}
- sec_blob->WorkstationName.BufferOffset = cpu_to_le32(tmp - pbuffer);
+ sec_blob->WorkstationName.BufferOffset = cpu_to_le32(tmp - *pbuffer);
sec_blob->WorkstationName.Length = 0;
sec_blob->WorkstationName.MaximumLength = 0;
tmp += 2;
@@ -463,19 +483,19 @@ int build_ntlmssp_auth_blob(unsigned char *pbuffer,
(ses->ntlmssp->server_flags & NTLMSSP_NEGOTIATE_EXTENDED_SEC))
&& !calc_seckey(ses)) {
memcpy(tmp, ses->ntlmssp->ciphertext, CIFS_CPHTXT_SIZE);
- sec_blob->SessionKey.BufferOffset = cpu_to_le32(tmp - pbuffer);
+ sec_blob->SessionKey.BufferOffset = cpu_to_le32(tmp - *pbuffer);
sec_blob->SessionKey.Length = cpu_to_le16(CIFS_CPHTXT_SIZE);
sec_blob->SessionKey.MaximumLength =
cpu_to_le16(CIFS_CPHTXT_SIZE);
tmp += CIFS_CPHTXT_SIZE;
} else {
- sec_blob->SessionKey.BufferOffset = cpu_to_le32(tmp - pbuffer);
+ sec_blob->SessionKey.BufferOffset = cpu_to_le32(tmp - *pbuffer);
sec_blob->SessionKey.Length = 0;
sec_blob->SessionKey.MaximumLength = 0;
}
+ *buflen = tmp - *pbuffer;
setup_ntlmv2_ret:
- *buflen = tmp - pbuffer;
return rc;
}
@@ -1266,7 +1286,7 @@ sess_auth_rawntlmssp_authenticate(struct sess_data *sess_data)
struct cifs_ses *ses = sess_data->ses;
__u16 bytes_remaining;
char *bcc_ptr;
- char *ntlmsspblob = NULL;
+ unsigned char *ntlmsspblob = NULL;
u16 blob_len;
cifs_dbg(FYI, "rawntlmssp session setup authenticate phase\n");
@@ -1279,19 +1299,7 @@ sess_auth_rawntlmssp_authenticate(struct sess_data *sess_data)
/* Build security blob before we assemble the request */
pSMB = (SESSION_SETUP_ANDX *)sess_data->iov[0].iov_base;
smb_buf = (struct smb_hdr *)pSMB;
- /*
- * 5 is an empirical value, large enough to hold
- * authenticate message plus max 10 of av paris,
- * domain, user, workstation names, flags, etc.
- */
- ntlmsspblob = kzalloc(5*sizeof(struct _AUTHENTICATE_MESSAGE),
- GFP_KERNEL);
- if (!ntlmsspblob) {
- rc = -ENOMEM;
- goto out;
- }
-
- rc = build_ntlmssp_auth_blob(ntlmsspblob,
+ rc = build_ntlmssp_auth_blob(&ntlmsspblob,
&blob_len, ses, sess_data->nls_cp);
if (rc)
goto out_free_ntlmsspblob;
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 82c5f57382b2..0b6dc1942bdc 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -591,7 +591,7 @@ SMB2_sess_setup(const unsigned int xid, struct cifs_ses *ses,
u16 blob_length = 0;
struct key *spnego_key = NULL;
char *security_blob = NULL;
- char *ntlmssp_blob = NULL;
+ unsigned char *ntlmssp_blob = NULL;
bool use_spnego = false; /* else use raw ntlmssp */
cifs_dbg(FYI, "Session Setup\n");
@@ -716,13 +716,7 @@ ssetup_ntlmssp_authenticate:
iov[1].iov_len = blob_length;
} else if (phase == NtLmAuthenticate) {
req->hdr.SessionId = ses->Suid;
- ntlmssp_blob = kzalloc(sizeof(struct _NEGOTIATE_MESSAGE) + 500,
- GFP_KERNEL);
- if (ntlmssp_blob == NULL) {
- rc = -ENOMEM;
- goto ssetup_exit;
- }
- rc = build_ntlmssp_auth_blob(ntlmssp_blob, &blob_length, ses,
+ rc = build_ntlmssp_auth_blob(&ntlmssp_blob, &blob_length, ses,
nls_cp);
if (rc) {
cifs_dbg(FYI, "build_ntlmssp_auth_blob failed %d\n",
@@ -1820,6 +1814,33 @@ SMB2_echo(struct TCP_Server_Info *server)
cifs_dbg(FYI, "In echo request\n");
+ if (server->tcpStatus == CifsNeedNegotiate) {
+ struct list_head *tmp, *tmp2;
+ struct cifs_ses *ses;
+ struct cifs_tcon *tcon;
+
+ cifs_dbg(FYI, "Need negotiate, reconnecting tcons\n");
+ spin_lock(&cifs_tcp_ses_lock);
+ list_for_each(tmp, &server->smb_ses_list) {
+ ses = list_entry(tmp, struct cifs_ses, smb_ses_list);
+ list_for_each(tmp2, &ses->tcon_list) {
+ tcon = list_entry(tmp2, struct cifs_tcon,
+ tcon_list);
+ /* add check for persistent handle reconnect */
+ if (tcon && tcon->need_reconnect) {
+ spin_unlock(&cifs_tcp_ses_lock);
+ rc = smb2_reconnect(SMB2_ECHO, tcon);
+ spin_lock(&cifs_tcp_ses_lock);
+ }
+ }
+ }
+ spin_unlock(&cifs_tcp_ses_lock);
+ }
+
+ /* if no session, renegotiate failed above */
+ if (server->tcpStatus == CifsNeedNegotiate)
+ return -EIO;
+
rc = small_smb2_init(SMB2_ECHO, NULL, (void **)&req);
if (rc)
return rc;
diff --git a/fs/namespace.c b/fs/namespace.c
index 0570729c87fd..33064fcbfff9 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -2401,8 +2401,10 @@ static int do_new_mount(struct path *path, const char *fstype, int flags,
mnt_flags |= MNT_NODEV | MNT_LOCK_NODEV;
}
if (type->fs_flags & FS_USERNS_VISIBLE) {
- if (!fs_fully_visible(type, &mnt_flags))
+ if (!fs_fully_visible(type, &mnt_flags)) {
+ put_filesystem(type);
return -EPERM;
+ }
}
}
@@ -3236,6 +3238,10 @@ static bool fs_fully_visible(struct file_system_type *type, int *new_mnt_flags)
if (mnt->mnt.mnt_sb->s_iflags & SB_I_NOEXEC)
mnt_flags &= ~(MNT_LOCK_NOSUID | MNT_LOCK_NOEXEC);
+ /* Don't miss readonly hidden in the superblock flags */
+ if (mnt->mnt.mnt_sb->s_flags & MS_RDONLY)
+ mnt_flags |= MNT_LOCK_READONLY;
+
/* Verify the mount flags are equal to or more permissive
* than the proposed new mount.
*/
@@ -3262,7 +3268,7 @@ static bool fs_fully_visible(struct file_system_type *type, int *new_mnt_flags)
list_for_each_entry(child, &mnt->mnt_mounts, mnt_child) {
struct inode *inode = child->mnt_mountpoint->d_inode;
/* Only worry about locked mounts */
- if (!(mnt_flags & MNT_LOCKED))
+ if (!(child->mnt.mnt_flags & MNT_LOCKED))
continue;
/* Is the directory permanetly empty? */
if (!is_empty_dir_inode(inode))
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 5fc2162afb67..46cfed63d229 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -1531,9 +1531,9 @@ int nfs_atomic_open(struct inode *dir, struct dentry *dentry,
err = PTR_ERR(inode);
trace_nfs_atomic_open_exit(dir, ctx, open_flags, err);
put_nfs_open_context(ctx);
+ d_drop(dentry);
switch (err) {
case -ENOENT:
- d_drop(dentry);
d_add(dentry, NULL);
nfs_set_verifier(dentry, nfs_save_change_attribute(dir));
break;
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 98a44157353a..fc215ab4dcd5 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -2854,12 +2854,11 @@ static void nfs4_close_prepare(struct rpc_task *task, void *data)
call_close |= is_wronly;
else if (is_wronly)
calldata->arg.fmode |= FMODE_WRITE;
+ if (calldata->arg.fmode != (FMODE_READ|FMODE_WRITE))
+ call_close |= is_rdwr;
} else if (is_rdwr)
calldata->arg.fmode |= FMODE_READ|FMODE_WRITE;
- if (calldata->arg.fmode == 0)
- call_close |= is_rdwr;
-
if (!nfs4_valid_open_stateid(state))
call_close = 0;
spin_unlock(&state->owner->so_lock);
diff --git a/fs/nfsd/nfs2acl.c b/fs/nfsd/nfs2acl.c
index 1580ea6fd64d..d08cd88155c7 100644
--- a/fs/nfsd/nfs2acl.c
+++ b/fs/nfsd/nfs2acl.c
@@ -104,22 +104,21 @@ static __be32 nfsacld_proc_setacl(struct svc_rqst * rqstp,
goto out;
inode = d_inode(fh->fh_dentry);
- if (!IS_POSIXACL(inode) || !inode->i_op->set_acl) {
- error = -EOPNOTSUPP;
- goto out_errno;
- }
error = fh_want_write(fh);
if (error)
goto out_errno;
- error = inode->i_op->set_acl(inode, argp->acl_access, ACL_TYPE_ACCESS);
+ fh_lock(fh);
+
+ error = set_posix_acl(inode, ACL_TYPE_ACCESS, argp->acl_access);
if (error)
- goto out_drop_write;
- error = inode->i_op->set_acl(inode, argp->acl_default,
- ACL_TYPE_DEFAULT);
+ goto out_drop_lock;
+ error = set_posix_acl(inode, ACL_TYPE_DEFAULT, argp->acl_default);
if (error)
- goto out_drop_write;
+ goto out_drop_lock;
+
+ fh_unlock(fh);
fh_drop_write(fh);
@@ -131,7 +130,8 @@ out:
posix_acl_release(argp->acl_access);
posix_acl_release(argp->acl_default);
return nfserr;
-out_drop_write:
+out_drop_lock:
+ fh_unlock(fh);
fh_drop_write(fh);
out_errno:
nfserr = nfserrno(error);
diff --git a/fs/nfsd/nfs3acl.c b/fs/nfsd/nfs3acl.c
index 01df4cd7c753..0c890347cde3 100644
--- a/fs/nfsd/nfs3acl.c
+++ b/fs/nfsd/nfs3acl.c
@@ -95,22 +95,20 @@ static __be32 nfsd3_proc_setacl(struct svc_rqst * rqstp,
goto out;
inode = d_inode(fh->fh_dentry);
- if (!IS_POSIXACL(inode) || !inode->i_op->set_acl) {
- error = -EOPNOTSUPP;
- goto out_errno;
- }
error = fh_want_write(fh);
if (error)
goto out_errno;
- error = inode->i_op->set_acl(inode, argp->acl_access, ACL_TYPE_ACCESS);
+ fh_lock(fh);
+
+ error = set_posix_acl(inode, ACL_TYPE_ACCESS, argp->acl_access);
if (error)
- goto out_drop_write;
- error = inode->i_op->set_acl(inode, argp->acl_default,
- ACL_TYPE_DEFAULT);
+ goto out_drop_lock;
+ error = set_posix_acl(inode, ACL_TYPE_DEFAULT, argp->acl_default);
-out_drop_write:
+out_drop_lock:
+ fh_unlock(fh);
fh_drop_write(fh);
out_errno:
nfserr = nfserrno(error);
diff --git a/fs/nfsd/nfs4acl.c b/fs/nfsd/nfs4acl.c
index 6adabd6049b7..71292a0d6f09 100644
--- a/fs/nfsd/nfs4acl.c
+++ b/fs/nfsd/nfs4acl.c
@@ -770,9 +770,6 @@ nfsd4_set_nfs4_acl(struct svc_rqst *rqstp, struct svc_fh *fhp,
dentry = fhp->fh_dentry;
inode = d_inode(dentry);
- if (!inode->i_op->set_acl || !IS_POSIXACL(inode))
- return nfserr_attrnotsupp;
-
if (S_ISDIR(inode->i_mode))
flags = NFS4_ACL_DIR;
@@ -782,16 +779,19 @@ nfsd4_set_nfs4_acl(struct svc_rqst *rqstp, struct svc_fh *fhp,
if (host_error < 0)
goto out_nfserr;
- host_error = inode->i_op->set_acl(inode, pacl, ACL_TYPE_ACCESS);
+ fh_lock(fhp);
+
+ host_error = set_posix_acl(inode, ACL_TYPE_ACCESS, pacl);
if (host_error < 0)
- goto out_release;
+ goto out_drop_lock;
if (S_ISDIR(inode->i_mode)) {
- host_error = inode->i_op->set_acl(inode, dpacl,
- ACL_TYPE_DEFAULT);
+ host_error = set_posix_acl(inode, ACL_TYPE_DEFAULT, dpacl);
}
-out_release:
+out_drop_lock:
+ fh_unlock(fhp);
+
posix_acl_release(pacl);
posix_acl_release(dpacl);
out_nfserr:
diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index e7f50c4081d6..15bdc2d48cfe 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -710,22 +710,6 @@ static struct rpc_cred *get_backchannel_cred(struct nfs4_client *clp, struct rpc
}
}
-static struct rpc_clnt *create_backchannel_client(struct rpc_create_args *args)
-{
- struct rpc_xprt *xprt;
-
- if (args->protocol != XPRT_TRANSPORT_BC_TCP)
- return rpc_create(args);
-
- xprt = args->bc_xprt->xpt_bc_xprt;
- if (xprt) {
- xprt_get(xprt);
- return rpc_create_xprt(args, xprt);
- }
-
- return rpc_create(args);
-}
-
static int setup_callback_client(struct nfs4_client *clp, struct nfs4_cb_conn *conn, struct nfsd4_session *ses)
{
int maxtime = max_cb_time(clp->net);
@@ -768,7 +752,7 @@ static int setup_callback_client(struct nfs4_client *clp, struct nfs4_cb_conn *c
args.authflavor = ses->se_cb_sec.flavor;
}
/* Create RPC client */
- client = create_backchannel_client(&args);
+ client = rpc_create(&args);
if (IS_ERR(client)) {
dprintk("NFSD: couldn't create callback client: %ld\n",
PTR_ERR(client));
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 6b800b5b8fed..ed2f64ca49de 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -3452,6 +3452,10 @@ init_open_stateid(struct nfs4_ol_stateid *stp, struct nfs4_file *fp,
struct nfs4_openowner *oo = open->op_openowner;
struct nfs4_ol_stateid *retstp = NULL;
+ /* We are moving these outside of the spinlocks to avoid the warnings */
+ mutex_init(&stp->st_mutex);
+ mutex_lock(&stp->st_mutex);
+
spin_lock(&oo->oo_owner.so_client->cl_lock);
spin_lock(&fp->fi_lock);
@@ -3467,13 +3471,17 @@ init_open_stateid(struct nfs4_ol_stateid *stp, struct nfs4_file *fp,
stp->st_access_bmap = 0;
stp->st_deny_bmap = 0;
stp->st_openstp = NULL;
- init_rwsem(&stp->st_rwsem);
list_add(&stp->st_perstateowner, &oo->oo_owner.so_stateids);
list_add(&stp->st_perfile, &fp->fi_stateids);
out_unlock:
spin_unlock(&fp->fi_lock);
spin_unlock(&oo->oo_owner.so_client->cl_lock);
+ if (retstp) {
+ mutex_lock(&retstp->st_mutex);
+ /* Not that we need to, just for neatness */
+ mutex_unlock(&stp->st_mutex);
+ }
return retstp;
}
@@ -4300,32 +4308,34 @@ nfsd4_process_open2(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nf
*/
if (stp) {
/* Stateid was found, this is an OPEN upgrade */
- down_read(&stp->st_rwsem);
+ mutex_lock(&stp->st_mutex);
status = nfs4_upgrade_open(rqstp, fp, current_fh, stp, open);
if (status) {
- up_read(&stp->st_rwsem);
+ mutex_unlock(&stp->st_mutex);
goto out;
}
} else {
stp = open->op_stp;
open->op_stp = NULL;
+ /*
+ * init_open_stateid() either returns a locked stateid
+ * it found, or initializes and locks the new one we passed in
+ */
swapstp = init_open_stateid(stp, fp, open);
if (swapstp) {
nfs4_put_stid(&stp->st_stid);
stp = swapstp;
- down_read(&stp->st_rwsem);
status = nfs4_upgrade_open(rqstp, fp, current_fh,
stp, open);
if (status) {
- up_read(&stp->st_rwsem);
+ mutex_unlock(&stp->st_mutex);
goto out;
}
goto upgrade_out;
}
- down_read(&stp->st_rwsem);
status = nfs4_get_vfs_file(rqstp, fp, current_fh, stp, open);
if (status) {
- up_read(&stp->st_rwsem);
+ mutex_unlock(&stp->st_mutex);
release_open_stateid(stp);
goto out;
}
@@ -4337,7 +4347,7 @@ nfsd4_process_open2(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nf
}
upgrade_out:
nfs4_inc_and_copy_stateid(&open->op_stateid, &stp->st_stid);
- up_read(&stp->st_rwsem);
+ mutex_unlock(&stp->st_mutex);
if (nfsd4_has_session(&resp->cstate)) {
if (open->op_deleg_want & NFS4_SHARE_WANT_NO_DELEG) {
@@ -4950,12 +4960,12 @@ static __be32 nfs4_seqid_op_checks(struct nfsd4_compound_state *cstate, stateid_
* revoked delegations are kept only for free_stateid.
*/
return nfserr_bad_stateid;
- down_write(&stp->st_rwsem);
+ mutex_lock(&stp->st_mutex);
status = check_stateid_generation(stateid, &stp->st_stid.sc_stateid, nfsd4_has_session(cstate));
if (status == nfs_ok)
status = nfs4_check_fh(current_fh, &stp->st_stid);
if (status != nfs_ok)
- up_write(&stp->st_rwsem);
+ mutex_unlock(&stp->st_mutex);
return status;
}
@@ -5003,7 +5013,7 @@ static __be32 nfs4_preprocess_confirmed_seqid_op(struct nfsd4_compound_state *cs
return status;
oo = openowner(stp->st_stateowner);
if (!(oo->oo_flags & NFS4_OO_CONFIRMED)) {
- up_write(&stp->st_rwsem);
+ mutex_unlock(&stp->st_mutex);
nfs4_put_stid(&stp->st_stid);
return nfserr_bad_stateid;
}
@@ -5035,12 +5045,12 @@ nfsd4_open_confirm(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
oo = openowner(stp->st_stateowner);
status = nfserr_bad_stateid;
if (oo->oo_flags & NFS4_OO_CONFIRMED) {
- up_write(&stp->st_rwsem);
+ mutex_unlock(&stp->st_mutex);
goto put_stateid;
}
oo->oo_flags |= NFS4_OO_CONFIRMED;
nfs4_inc_and_copy_stateid(&oc->oc_resp_stateid, &stp->st_stid);
- up_write(&stp->st_rwsem);
+ mutex_unlock(&stp->st_mutex);
dprintk("NFSD: %s: success, seqid=%d stateid=" STATEID_FMT "\n",
__func__, oc->oc_seqid, STATEID_VAL(&stp->st_stid.sc_stateid));
@@ -5116,7 +5126,7 @@ nfsd4_open_downgrade(struct svc_rqst *rqstp,
nfs4_inc_and_copy_stateid(&od->od_stateid, &stp->st_stid);
status = nfs_ok;
put_stateid:
- up_write(&stp->st_rwsem);
+ mutex_unlock(&stp->st_mutex);
nfs4_put_stid(&stp->st_stid);
out:
nfsd4_bump_seqid(cstate, status);
@@ -5169,7 +5179,7 @@ nfsd4_close(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
if (status)
goto out;
nfs4_inc_and_copy_stateid(&close->cl_stateid, &stp->st_stid);
- up_write(&stp->st_rwsem);
+ mutex_unlock(&stp->st_mutex);
nfsd4_close_open_stateid(stp);
@@ -5395,7 +5405,7 @@ init_lock_stateid(struct nfs4_ol_stateid *stp, struct nfs4_lockowner *lo,
stp->st_access_bmap = 0;
stp->st_deny_bmap = open_stp->st_deny_bmap;
stp->st_openstp = open_stp;
- init_rwsem(&stp->st_rwsem);
+ mutex_init(&stp->st_mutex);
list_add(&stp->st_locks, &open_stp->st_locks);
list_add(&stp->st_perstateowner, &lo->lo_owner.so_stateids);
spin_lock(&fp->fi_lock);
@@ -5564,7 +5574,7 @@ nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
&open_stp, nn);
if (status)
goto out;
- up_write(&open_stp->st_rwsem);
+ mutex_unlock(&open_stp->st_mutex);
open_sop = openowner(open_stp->st_stateowner);
status = nfserr_bad_stateid;
if (!same_clid(&open_sop->oo_owner.so_client->cl_clientid,
@@ -5573,7 +5583,7 @@ nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
status = lookup_or_create_lock_state(cstate, open_stp, lock,
&lock_stp, &new);
if (status == nfs_ok)
- down_write(&lock_stp->st_rwsem);
+ mutex_lock(&lock_stp->st_mutex);
} else {
status = nfs4_preprocess_seqid_op(cstate,
lock->lk_old_lock_seqid,
@@ -5677,7 +5687,7 @@ out:
seqid_mutating_err(ntohl(status)))
lock_sop->lo_owner.so_seqid++;
- up_write(&lock_stp->st_rwsem);
+ mutex_unlock(&lock_stp->st_mutex);
/*
* If this is a new, never-before-used stateid, and we are
@@ -5847,7 +5857,7 @@ nfsd4_locku(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
fput:
fput(filp);
put_stateid:
- up_write(&stp->st_rwsem);
+ mutex_unlock(&stp->st_mutex);
nfs4_put_stid(&stp->st_stid);
out:
nfsd4_bump_seqid(cstate, status);
diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h
index 77fdf4de91ba..77860b75da9d 100644
--- a/fs/nfsd/state.h
+++ b/fs/nfsd/state.h
@@ -535,7 +535,7 @@ struct nfs4_ol_stateid {
unsigned char st_access_bmap;
unsigned char st_deny_bmap;
struct nfs4_ol_stateid *st_openstp;
- struct rw_semaphore st_rwsem;
+ struct mutex st_mutex;
};
static inline struct nfs4_ol_stateid *openlockstateid(struct nfs4_stid *s)
diff --git a/fs/overlayfs/dir.c b/fs/overlayfs/dir.c
index a2b1d7ce3e1a..ba5ef733951f 100644
--- a/fs/overlayfs/dir.c
+++ b/fs/overlayfs/dir.c
@@ -511,6 +511,7 @@ static int ovl_remove_and_whiteout(struct dentry *dentry, bool is_dir)
struct dentry *upper;
struct dentry *opaquedir = NULL;
int err;
+ int flags = 0;
if (WARN_ON(!workdir))
return -EROFS;
@@ -540,46 +541,39 @@ static int ovl_remove_and_whiteout(struct dentry *dentry, bool is_dir)
if (err)
goto out_dput;
- whiteout = ovl_whiteout(workdir, dentry);
- err = PTR_ERR(whiteout);
- if (IS_ERR(whiteout))
+ upper = lookup_one_len(dentry->d_name.name, upperdir,
+ dentry->d_name.len);
+ err = PTR_ERR(upper);
+ if (IS_ERR(upper))
goto out_unlock;
- upper = ovl_dentry_upper(dentry);
- if (!upper) {
- upper = lookup_one_len(dentry->d_name.name, upperdir,
- dentry->d_name.len);
- err = PTR_ERR(upper);
- if (IS_ERR(upper))
- goto kill_whiteout;
-
- err = ovl_do_rename(wdir, whiteout, udir, upper, 0);
- dput(upper);
- if (err)
- goto kill_whiteout;
- } else {
- int flags = 0;
+ err = -ESTALE;
+ if ((opaquedir && upper != opaquedir) ||
+ (!opaquedir && ovl_dentry_upper(dentry) &&
+ upper != ovl_dentry_upper(dentry))) {
+ goto out_dput_upper;
+ }
- if (opaquedir)
- upper = opaquedir;
- err = -ESTALE;
- if (upper->d_parent != upperdir)
- goto kill_whiteout;
+ whiteout = ovl_whiteout(workdir, dentry);
+ err = PTR_ERR(whiteout);
+ if (IS_ERR(whiteout))
+ goto out_dput_upper;
- if (is_dir)
- flags |= RENAME_EXCHANGE;
+ if (d_is_dir(upper))
+ flags = RENAME_EXCHANGE;
- err = ovl_do_rename(wdir, whiteout, udir, upper, flags);
- if (err)
- goto kill_whiteout;
+ err = ovl_do_rename(wdir, whiteout, udir, upper, flags);
+ if (err)
+ goto kill_whiteout;
+ if (flags)
+ ovl_cleanup(wdir, upper);
- if (is_dir)
- ovl_cleanup(wdir, upper);
- }
ovl_dentry_version_inc(dentry->d_parent);
out_d_drop:
d_drop(dentry);
dput(whiteout);
+out_dput_upper:
+ dput(upper);
out_unlock:
unlock_rename(workdir, upperdir);
out_dput:
@@ -596,21 +590,25 @@ static int ovl_remove_upper(struct dentry *dentry, bool is_dir)
{
struct dentry *upperdir = ovl_dentry_upper(dentry->d_parent);
struct inode *dir = upperdir->d_inode;
- struct dentry *upper = ovl_dentry_upper(dentry);
+ struct dentry *upper;
int err;
mutex_lock_nested(&dir->i_mutex, I_MUTEX_PARENT);
+ upper = lookup_one_len(dentry->d_name.name, upperdir,
+ dentry->d_name.len);
+ err = PTR_ERR(upper);
+ if (IS_ERR(upper))
+ goto out_unlock;
+
err = -ESTALE;
- if (upper->d_parent == upperdir) {
- /* Don't let d_delete() think it can reset d_inode */
- dget(upper);
+ if (upper == ovl_dentry_upper(dentry)) {
if (is_dir)
err = vfs_rmdir(dir, upper);
else
err = vfs_unlink(dir, upper, NULL);
- dput(upper);
ovl_dentry_version_inc(dentry->d_parent);
}
+ dput(upper);
/*
* Keeping this dentry hashed would mean having to release
@@ -620,6 +618,7 @@ static int ovl_remove_upper(struct dentry *dentry, bool is_dir)
*/
if (!err)
d_drop(dentry);
+out_unlock:
mutex_unlock(&dir->i_mutex);
return err;
@@ -840,29 +839,39 @@ static int ovl_rename2(struct inode *olddir, struct dentry *old,
trap = lock_rename(new_upperdir, old_upperdir);
- olddentry = ovl_dentry_upper(old);
- newdentry = ovl_dentry_upper(new);
- if (newdentry) {
+
+ olddentry = lookup_one_len(old->d_name.name, old_upperdir,
+ old->d_name.len);
+ err = PTR_ERR(olddentry);
+ if (IS_ERR(olddentry))
+ goto out_unlock;
+
+ err = -ESTALE;
+ if (olddentry != ovl_dentry_upper(old))
+ goto out_dput_old;
+
+ newdentry = lookup_one_len(new->d_name.name, new_upperdir,
+ new->d_name.len);
+ err = PTR_ERR(newdentry);
+ if (IS_ERR(newdentry))
+ goto out_dput_old;
+
+ err = -ESTALE;
+ if (ovl_dentry_upper(new)) {
if (opaquedir) {
- newdentry = opaquedir;
- opaquedir = NULL;
+ if (newdentry != opaquedir)
+ goto out_dput;
} else {
- dget(newdentry);
+ if (newdentry != ovl_dentry_upper(new))
+ goto out_dput;
}
} else {
new_create = true;
- newdentry = lookup_one_len(new->d_name.name, new_upperdir,
- new->d_name.len);
- err = PTR_ERR(newdentry);
- if (IS_ERR(newdentry))
- goto out_unlock;
+ if (!d_is_negative(newdentry) &&
+ (!new_opaque || !ovl_is_whiteout(newdentry)))
+ goto out_dput;
}
- err = -ESTALE;
- if (olddentry->d_parent != old_upperdir)
- goto out_dput;
- if (newdentry->d_parent != new_upperdir)
- goto out_dput;
if (olddentry == trap)
goto out_dput;
if (newdentry == trap)
@@ -925,6 +934,8 @@ static int ovl_rename2(struct inode *olddir, struct dentry *old,
out_dput:
dput(newdentry);
+out_dput_old:
+ dput(olddentry);
out_unlock:
unlock_rename(new_upperdir, old_upperdir);
out_revert_creds:
diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c
index 05ac9a95e881..0597820f5d9d 100644
--- a/fs/overlayfs/inode.c
+++ b/fs/overlayfs/inode.c
@@ -412,12 +412,11 @@ struct inode *ovl_new_inode(struct super_block *sb, umode_t mode,
if (!inode)
return NULL;
- mode &= S_IFMT;
-
inode->i_ino = get_next_ino();
inode->i_mode = mode;
inode->i_flags |= S_NOATIME | S_NOCMTIME;
+ mode &= S_IFMT;
switch (mode) {
case S_IFDIR:
inode->i_private = oe;
diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h
index e17154aeaae4..735e1d49b301 100644
--- a/fs/overlayfs/overlayfs.h
+++ b/fs/overlayfs/overlayfs.h
@@ -181,6 +181,7 @@ static inline void ovl_copyattr(struct inode *from, struct inode *to)
{
to->i_uid = from->i_uid;
to->i_gid = from->i_gid;
+ to->i_mode = from->i_mode;
}
/* dir.c */
diff --git a/fs/posix_acl.c b/fs/posix_acl.c
index 4adde1e2cbec..34bd1bd354e6 100644
--- a/fs/posix_acl.c
+++ b/fs/posix_acl.c
@@ -788,6 +788,28 @@ posix_acl_xattr_get(const struct xattr_handler *handler,
return error;
}
+int
+set_posix_acl(struct inode *inode, int type, struct posix_acl *acl)
+{
+ if (!IS_POSIXACL(inode))
+ return -EOPNOTSUPP;
+ if (!inode->i_op->set_acl)
+ return -EOPNOTSUPP;
+
+ if (type == ACL_TYPE_DEFAULT && !S_ISDIR(inode->i_mode))
+ return acl ? -EACCES : 0;
+ if (!inode_owner_or_capable(inode))
+ return -EPERM;
+
+ if (acl) {
+ int ret = posix_acl_valid(acl);
+ if (ret)
+ return ret;
+ }
+ return inode->i_op->set_acl(inode, acl, type);
+}
+EXPORT_SYMBOL(set_posix_acl);
+
static int
posix_acl_xattr_set(const struct xattr_handler *handler,
struct dentry *dentry, const char *name,
@@ -799,30 +821,13 @@ posix_acl_xattr_set(const struct xattr_handler *handler,
if (strcmp(name, "") != 0)
return -EINVAL;
- if (!IS_POSIXACL(inode))
- return -EOPNOTSUPP;
- if (!inode->i_op->set_acl)
- return -EOPNOTSUPP;
-
- if (handler->flags == ACL_TYPE_DEFAULT && !S_ISDIR(inode->i_mode))
- return value ? -EACCES : 0;
- if (!inode_owner_or_capable(inode))
- return -EPERM;
if (value) {
acl = posix_acl_from_xattr(&init_user_ns, value, size);
if (IS_ERR(acl))
return PTR_ERR(acl);
-
- if (acl) {
- ret = posix_acl_valid(acl);
- if (ret)
- goto out;
- }
}
-
- ret = inode->i_op->set_acl(inode, acl, handler->flags);
-out:
+ ret = set_posix_acl(inode, handler->flags, acl);
posix_acl_release(acl);
return ret;
}
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index 0edc12856147..b895af7d8d80 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -52,6 +52,7 @@
#include "ubifs.h"
#include <linux/mount.h>
#include <linux/slab.h>
+#include <linux/migrate.h>
static int read_block(struct inode *inode, void *addr, unsigned int block,
struct ubifs_data_node *dn)
@@ -1452,6 +1453,26 @@ static int ubifs_set_page_dirty(struct page *page)
return ret;
}
+#ifdef CONFIG_MIGRATION
+static int ubifs_migrate_page(struct address_space *mapping,
+ struct page *newpage, struct page *page, enum migrate_mode mode)
+{
+ int rc;
+
+ rc = migrate_page_move_mapping(mapping, newpage, page, NULL, mode, 0);
+ if (rc != MIGRATEPAGE_SUCCESS)
+ return rc;
+
+ if (PagePrivate(page)) {
+ ClearPagePrivate(page);
+ SetPagePrivate(newpage);
+ }
+
+ migrate_page_copy(newpage, page);
+ return MIGRATEPAGE_SUCCESS;
+}
+#endif
+
static int ubifs_releasepage(struct page *page, gfp_t unused_gfp_flags)
{
/*
@@ -1591,6 +1612,9 @@ const struct address_space_operations ubifs_file_address_operations = {
.write_end = ubifs_write_end,
.invalidatepage = ubifs_invalidatepage,
.set_page_dirty = ubifs_set_page_dirty,
+#ifdef CONFIG_MIGRATION
+ .migratepage = ubifs_migrate_page,
+#endif
.releasepage = ubifs_releasepage,
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-02 02:24:53 +0000