diff options
Diffstat (limited to 'fs/cifs')
-rw-r--r-- | fs/cifs/cifsfs.h | 10 | ||||
-rw-r--r-- | fs/cifs/cifsproto.h | 3 | ||||
-rw-r--r-- | fs/cifs/cifssmb.c | 27 | ||||
-rw-r--r-- | fs/cifs/dir.c | 6 | ||||
-rw-r--r-- | fs/cifs/file.c | 14 | ||||
-rw-r--r-- | fs/cifs/inode.c | 6 | ||||
-rw-r--r-- | fs/cifs/link.c | 2 |
7 files changed, 33 insertions, 35 deletions
diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h index 9dcf974acc47..c9c00a862036 100644 --- a/fs/cifs/cifsfs.h +++ b/fs/cifs/cifsfs.h @@ -41,6 +41,16 @@ cifs_uniqueid_to_ino_t(u64 fileid) } +static inline void cifs_set_time(struct dentry *dentry, unsigned long time) +{ + dentry->d_fsdata = (void *) time; +} + +static inline unsigned long cifs_get_time(struct dentry *dentry) +{ + return (unsigned long) dentry->d_fsdata; +} + extern struct file_system_type cifs_fs_type; extern const struct address_space_operations cifs_addr_ops; extern const struct address_space_operations cifs_addr_ops_smallbuf; diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h index 95dab43646f0..4ead72a001f9 100644 --- a/fs/cifs/cifsproto.h +++ b/fs/cifs/cifsproto.h @@ -392,8 +392,7 @@ extern int CIFSSMBRead(const unsigned int xid, struct cifs_io_parms *io_parms, unsigned int *nbytes, char **buf, int *return_buf_type); extern int CIFSSMBWrite(const unsigned int xid, struct cifs_io_parms *io_parms, - unsigned int *nbytes, const char *buf, - const char __user *ubuf, const int long_op); + unsigned int *nbytes, const char *buf); extern int CIFSSMBWrite2(const unsigned int xid, struct cifs_io_parms *io_parms, unsigned int *nbytes, struct kvec *iov, const int nvec); extern int CIFSGetSrvInodeNumber(const unsigned int xid, struct cifs_tcon *tcon, diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index d47197ea4ab6..f82d2823622f 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -1228,7 +1228,6 @@ OldOpenRetry: inc_rfc1001_len(pSMB, count); pSMB->ByteCount = cpu_to_le16(count); - /* long_op set to 1 to allow for oplock break timeouts */ rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB, (struct smb_hdr *)pSMBr, &bytes_returned, 0); cifs_stats_inc(&tcon->stats.cifs_stats.num_opens); @@ -1768,8 +1767,7 @@ CIFSSMBRead(const unsigned int xid, struct cifs_io_parms *io_parms, int CIFSSMBWrite(const unsigned int xid, struct cifs_io_parms *io_parms, - unsigned int *nbytes, const char *buf, - const char __user *ubuf, const int long_op) + unsigned int *nbytes, const char *buf) { int rc = -EACCES; WRITE_REQ *pSMB = NULL; @@ -1838,12 +1836,7 @@ CIFSSMBWrite(const unsigned int xid, struct cifs_io_parms *io_parms, cpu_to_le16(offsetof(struct smb_com_write_req, Data) - 4); if (buf) memcpy(pSMB->Data, buf, bytes_sent); - else if (ubuf) { - if (copy_from_user(pSMB->Data, ubuf, bytes_sent)) { - cifs_buf_release(pSMB); - return -EFAULT; - } - } else if (count != 0) { + else if (count != 0) { /* No buffer */ cifs_buf_release(pSMB); return -EINVAL; @@ -1867,7 +1860,7 @@ CIFSSMBWrite(const unsigned int xid, struct cifs_io_parms *io_parms, } rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB, - (struct smb_hdr *) pSMBr, &bytes_returned, long_op); + (struct smb_hdr *) pSMBr, &bytes_returned, 0); cifs_stats_inc(&tcon->stats.cifs_stats.num_writes); if (rc) { cifs_dbg(FYI, "Send error in write = %d\n", rc); @@ -3334,7 +3327,7 @@ CIFSSMB_set_compression(const unsigned int xid, struct cifs_tcon *tcon, #ifdef CONFIG_CIFS_POSIX /*Convert an Access Control Entry from wire format to local POSIX xattr format*/ -static void cifs_convert_ace(posix_acl_xattr_entry *ace, +static void cifs_convert_ace(struct posix_acl_xattr_entry *ace, struct cifs_posix_ace *cifs_ace) { /* u8 cifs fields do not need le conversion */ @@ -3358,7 +3351,7 @@ static int cifs_copy_posix_acl(char *trgt, char *src, const int buflen, __u16 count; struct cifs_posix_ace *pACE; struct cifs_posix_acl *cifs_acl = (struct cifs_posix_acl *)src; - posix_acl_xattr_header *local_acl = (posix_acl_xattr_header *)trgt; + struct posix_acl_xattr_header *local_acl = (void *)trgt; if (le16_to_cpu(cifs_acl->version) != CIFS_ACL_VERSION) return -EOPNOTSUPP; @@ -3396,9 +3389,11 @@ static int cifs_copy_posix_acl(char *trgt, char *src, const int buflen, } else if (size > buflen) { return -ERANGE; } else /* buffer big enough */ { + struct posix_acl_xattr_entry *ace = (void *)(local_acl + 1); + local_acl->a_version = cpu_to_le32(POSIX_ACL_XATTR_VERSION); for (i = 0; i < count ; i++) { - cifs_convert_ace(&local_acl->a_entries[i], pACE); + cifs_convert_ace(&ace[i], pACE); pACE++; } } @@ -3406,7 +3401,7 @@ static int cifs_copy_posix_acl(char *trgt, char *src, const int buflen, } static __u16 convert_ace_to_cifs_ace(struct cifs_posix_ace *cifs_ace, - const posix_acl_xattr_entry *local_ace) + const struct posix_acl_xattr_entry *local_ace) { __u16 rc = 0; /* 0 = ACL converted ok */ @@ -3431,7 +3426,7 @@ static __u16 ACL_to_cifs_posix(char *parm_data, const char *pACL, { __u16 rc = 0; struct cifs_posix_acl *cifs_acl = (struct cifs_posix_acl *)parm_data; - posix_acl_xattr_header *local_acl = (posix_acl_xattr_header *)pACL; + struct posix_acl_xattr_header *local_acl = (void *)pACL; int count; int i; @@ -3459,7 +3454,7 @@ static __u16 ACL_to_cifs_posix(char *parm_data, const char *pACL, } for (i = 0; i < count; i++) { rc = convert_ace_to_cifs_ace(&cifs_acl->ace_array[i], - &local_acl->a_entries[i]); + (struct posix_acl_xattr_entry *)(local_acl + 1)); if (rc != 0) { /* ACE not converted */ break; diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c index 4716c54dbfc6..789ff1df2d8d 100644 --- a/fs/cifs/dir.c +++ b/fs/cifs/dir.c @@ -40,7 +40,7 @@ renew_parental_timestamps(struct dentry *direntry) /* BB check if there is a way to get the kernel to do this or if we really need this */ do { - direntry->d_time = jiffies; + cifs_set_time(direntry, jiffies); direntry = direntry->d_parent; } while (!IS_ROOT(direntry)); } @@ -802,7 +802,7 @@ cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry, } else if (rc == -ENOENT) { rc = 0; - direntry->d_time = jiffies; + cifs_set_time(direntry, jiffies); d_add(direntry, NULL); /* if it was once a directory (but how can we tell?) we could do shrink_dcache_parent(direntry); */ @@ -862,7 +862,7 @@ cifs_d_revalidate(struct dentry *direntry, unsigned int flags) if (flags & (LOOKUP_CREATE | LOOKUP_RENAME_TARGET)) return 0; - if (time_after(jiffies, direntry->d_time + HZ) || !lookupCacheEnabled) + if (time_after(jiffies, cifs_get_time(direntry) + HZ) || !lookupCacheEnabled) return 0; return 1; diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 579e41b350a2..42b99af74e0a 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -2478,7 +2478,7 @@ cifs_write_from_iter(loff_t offset, size_t len, struct iov_iter *from, size_t cur_len; unsigned long nr_pages, num_pages, i; struct cifs_writedata *wdata; - struct iov_iter saved_from; + struct iov_iter saved_from = *from; loff_t saved_offset = offset; pid_t pid; struct TCP_Server_Info *server; @@ -2489,7 +2489,6 @@ cifs_write_from_iter(loff_t offset, size_t len, struct iov_iter *from, pid = current->tgid; server = tlink_tcon(open_file->tlink)->ses->server; - memcpy(&saved_from, from, sizeof(struct iov_iter)); do { unsigned int wsize, credits; @@ -2551,8 +2550,7 @@ cifs_write_from_iter(loff_t offset, size_t len, struct iov_iter *from, kref_put(&wdata->refcount, cifs_uncached_writedata_release); if (rc == -EAGAIN) { - memcpy(from, &saved_from, - sizeof(struct iov_iter)); + *from = saved_from; iov_iter_advance(from, offset - saved_offset); continue; } @@ -2576,7 +2574,7 @@ ssize_t cifs_user_writev(struct kiocb *iocb, struct iov_iter *from) struct cifs_sb_info *cifs_sb; struct cifs_writedata *wdata, *tmp; struct list_head wdata_list; - struct iov_iter saved_from; + struct iov_iter saved_from = *from; int rc; /* @@ -2597,8 +2595,6 @@ ssize_t cifs_user_writev(struct kiocb *iocb, struct iov_iter *from) if (!tcon->ses->server->ops->async_writev) return -ENOSYS; - memcpy(&saved_from, from, sizeof(struct iov_iter)); - rc = cifs_write_from_iter(iocb->ki_pos, iov_iter_count(from), from, open_file, cifs_sb, &wdata_list); @@ -2631,13 +2627,11 @@ restart_loop: /* resend call if it's a retryable error */ if (rc == -EAGAIN) { struct list_head tmp_list; - struct iov_iter tmp_from; + struct iov_iter tmp_from = saved_from; INIT_LIST_HEAD(&tmp_list); list_del_init(&wdata->list); - memcpy(&tmp_from, &saved_from, - sizeof(struct iov_iter)); iov_iter_advance(&tmp_from, wdata->offset - iocb->ki_pos); diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index b87efd0c92d6..7ab5be7944aa 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -1951,7 +1951,7 @@ int cifs_revalidate_dentry_attr(struct dentry *dentry) cifs_dbg(FYI, "Update attributes: %s inode 0x%p count %d dentry: 0x%p d_time %ld jiffies %ld\n", full_path, inode, inode->i_count.counter, - dentry, dentry->d_time, jiffies); + dentry, cifs_get_time(dentry), jiffies); if (cifs_sb_master_tcon(CIFS_SB(sb))->unix_ext) rc = cifs_get_inode_info_unix(&inode, full_path, sb, xid); @@ -2154,7 +2154,7 @@ cifs_setattr_unix(struct dentry *direntry, struct iattr *attrs) if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_PERM) attrs->ia_valid |= ATTR_FORCE; - rc = inode_change_ok(inode, attrs); + rc = setattr_prepare(direntry, attrs); if (rc < 0) goto out; @@ -2294,7 +2294,7 @@ cifs_setattr_nounix(struct dentry *direntry, struct iattr *attrs) if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_PERM) attrs->ia_valid |= ATTR_FORCE; - rc = inode_change_ok(inode, attrs); + rc = setattr_prepare(direntry, attrs); if (rc < 0) { free_xid(xid); return rc; diff --git a/fs/cifs/link.c b/fs/cifs/link.c index 062c2375549a..d031af8d3d4d 100644 --- a/fs/cifs/link.c +++ b/fs/cifs/link.c @@ -399,7 +399,7 @@ cifs_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon, io_parms.offset = 0; io_parms.length = CIFS_MF_SYMLINK_FILE_SIZE; - rc = CIFSSMBWrite(xid, &io_parms, pbytes_written, pbuf, NULL, 0); + rc = CIFSSMBWrite(xid, &io_parms, pbytes_written, pbuf); CIFSSMBClose(xid, tcon, fid.netfid); return rc; } |