Signed-off-by: Pavel Shilovsky <pshilovsky@xxxxxxxxx>
---
fs/cifs/cifsglob.h | 6 ++++++
fs/cifs/cifsproto.h | 9 ++++++---
fs/cifs/cifssmb.c | 16 ++++++++--------
fs/cifs/inode.c | 32 +++++++++++++++++++++-----------
fs/cifs/smb1ops.c | 2 ++
5 files changed, 43 insertions(+), 22 deletions(-)
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index a5b4e82..bd53d97 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -256,6 +256,12 @@ struct smb_version_operations {
/* remove directory */
int (*rmdir)(const unsigned int, struct cifs_tcon *, const char *,
struct cifs_sb_info *);
+ /* unlink file */
+ int (*unlink)(const unsigned int, struct cifs_tcon *, const char *,
+ struct cifs_sb_info *);
+ /* open, rename and delete file */
+ int (*rename_pending_delete)(const char *, struct dentry *,
+ const unsigned int);
};
struct smb_version_values {
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
index 43784ee..e9349af 100644
--- a/fs/cifs/cifsproto.h
+++ b/fs/cifs/cifsproto.h
@@ -144,6 +144,11 @@ extern int cifs_get_file_info_unix(struct file *filp);
extern int cifs_get_inode_info_unix(struct inode **pinode,
const unsigned char *search_path,
struct super_block *sb, unsigned int xid);
+extern int cifs_set_file_info(struct inode *inode, struct iattr *attrs,
+ unsigned int xid, char *full_path, __u32 dosattr);
+extern int cifs_rename_pending_delete(const char *full_path,
+ struct dentry *dentry,
+ const unsigned int xid);
extern int cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb,
struct cifs_fattr *fattr, struct inode *inode,
const char *path, const __u16 *pfid);
@@ -303,9 +308,7 @@ extern int CIFSPOSIXDelFile(const unsigned int xid, struct cifs_tcon *tcon,
const struct nls_table *nls_codepage,
int remap_special_chars);
extern int CIFSSMBDelFile(const unsigned int xid, struct cifs_tcon *tcon,
- const char *name,
- const struct nls_table *nls_codepage,
- int remap_special_chars);
+ const char *name, struct cifs_sb_info *cifs_sb);
extern int CIFSSMBRename(const unsigned int xid, struct cifs_tcon *tcon,
const char *fromName, const char *toName,
const struct nls_table *nls_codepage,
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 9fb21cd..395f3e2 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -902,15 +902,15 @@ PsxDelete:
}
int
-CIFSSMBDelFile(const unsigned int xid, struct cifs_tcon *tcon,
- const char *fileName, const struct nls_table *nls_codepage,
- int remap)
+CIFSSMBDelFile(const unsigned int xid, struct cifs_tcon *tcon, const char *name,
+ struct cifs_sb_info *cifs_sb)
{
DELETE_FILE_REQ *pSMB = NULL;
DELETE_FILE_RSP *pSMBr = NULL;
int rc = 0;
int bytes_returned;
int name_len;
+ int remap = cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR;
DelFileRetry:
rc = smb_init(SMB_COM_DELETE, 1, tcon, (void **) &pSMB,
@@ -919,15 +919,15 @@ DelFileRetry:
return rc;
if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
- name_len =
- cifsConvertToUTF16((__le16 *) pSMB->fileName, fileName,
- PATH_MAX, nls_codepage, remap);
+ name_len = cifsConvertToUTF16((__le16 *) pSMB->fileName, name,
+ PATH_MAX, cifs_sb->local_nls,
+ remap);
name_len++; /* trailing null */
name_len *= 2;
} else { /* BB improve check for buffer overruns BB */
- name_len = strnlen(fileName, PATH_MAX);
+ name_len = strnlen(name, PATH_MAX);
name_len++; /* trailing null */
- strncpy(pSMB->fileName, fileName, name_len);
+ strncpy(pSMB->fileName, name, name_len);
}
pSMB->SearchAttributes =
cpu_to_le16(ATTR_READONLY | ATTR_HIDDEN | ATTR_SYSTEM);
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 88afb1a..9685eb1 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -878,9 +878,9 @@ out:
return inode;
}
-static int
+int
cifs_set_file_info(struct inode *inode, struct iattr *attrs, unsigned int xid,
- char *full_path, __u32 dosattr)
+ char *full_path, __u32 dosattr)
{
int rc;
int oplock = 0;
@@ -995,13 +995,13 @@ out:
}
/*
- * open the given file (if it isn't already), set the DELETE_ON_CLOSE bit
+ * Open the given file (if it isn't already), set the DELETE_ON_CLOSE bit
* and rename it to a random name that hopefully won't conflict with
* anything else.
*/
-static int
-cifs_rename_pending_delete(char *full_path, struct dentry *dentry,
- unsigned int xid)
+int
+cifs_rename_pending_delete(const char *full_path, struct dentry *dentry,
+ const unsigned int xid)
{
int oplock = 0;
int rc;
@@ -1138,6 +1138,7 @@ int cifs_unlink(struct inode *dir, struct dentry *dentry)
struct cifs_sb_info *cifs_sb = CIFS_SB(sb);
struct tcon_link *tlink;
struct cifs_tcon *tcon;
+ struct TCP_Server_Info *server;
struct iattr *attrs = NULL;
__u32 dosattr = 0, origattr = 0;
@@ -1147,6 +1148,7 @@ int cifs_unlink(struct inode *dir, struct dentry *dentry)
if (IS_ERR(tlink))
return PTR_ERR(tlink);
tcon = tlink_tcon(tlink);
+ server = tcon->ses->server;
xid = get_xid();
@@ -1169,8 +1171,12 @@ int cifs_unlink(struct inode *dir, struct dentry *dentry)
}
retry_std_delete:
- rc = CIFSSMBDelFile(xid, tcon, full_path, cifs_sb->local_nls,
- cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
+ if (!server->ops->unlink) {
+ rc = -ENOSYS;
+ goto psx_del_no_retry;
+ }
+
+ rc = server->ops->unlink(xid, tcon, full_path, cifs_sb);
psx_del_no_retry:
if (!rc) {
@@ -1179,9 +1185,13 @@ psx_del_no_retry:
} else if (rc == -ENOENT) {
d_drop(dentry);
} else if (rc == -ETXTBSY) {
- rc = cifs_rename_pending_delete(full_path, dentry, xid);
- if (rc == 0)
- cifs_drop_nlink(inode);
+ if (server->ops->rename_pending_delete) {
+ rc = server->ops->rename_pending_delete(full_path,
+ dentry, xid);
+ if (rc == 0)
+ cifs_drop_nlink(inode);
+ } else
+ rc = -ENOSYS;
} else if ((rc == -EACCES) && (dosattr == 0) && inode) {
attrs = kzalloc(sizeof(*attrs), GFP_KERNEL);
if (attrs == NULL) {
diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c
index 3129ac7..725fa61 100644
--- a/fs/cifs/smb1ops.c
+++ b/fs/cifs/smb1ops.c
@@ -644,6 +644,8 @@ struct smb_version_operations smb1_operations = {
.mkdir = CIFSSMBMkDir,
.mkdir_setinfo = cifs_mkdir_setinfo,
.rmdir = CIFSSMBRmDir,
+ .unlink = CIFSSMBDelFile,
+ .rename_pending_delete = cifs_rename_pending_delete,
};
struct smb_version_values smb1_values = {
--
1.7.1
--
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