fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / fs / cifs / inode.c

diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index d558c30..a894e6d 100644 (file)
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -19,7 +19,6 @@
  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  */
 #include <linux/fs.h>
-#include <linux/buffer_head.h>
 #include <linux/stat.h>
 #include <linux/pagemap.h>
 #include <asm/div64.h>
@@ -319,6 +318,7 @@ int cifs_get_inode_info(struct inode **pinode,
        struct cifs_sb_info *cifs_sb = CIFS_SB(sb);
        char *tmp_path;
        char *buf = NULL;
+       int adjustTZ = FALSE;
 
        pTcon = cifs_sb->tcon;
        cFYI(1,("Getting info on %s", search_path));
@@ -338,6 +338,7 @@ int cifs_get_inode_info(struct inode **pinode,
                pfindData = (FILE_ALL_INFO *)buf;
                /* could do find first instead but this returns more info */
                rc = CIFSSMBQPathInfo(xid, pTcon, search_path, pfindData,
+                             0 /* not legacy */,
                              cifs_sb->local_nls, cifs_sb->mnt_cifs_flags &
                                CIFS_MOUNT_MAP_SPECIAL_CHR);
                /* BB optimize code so we do not make the above call
@@ -348,6 +349,7 @@ int cifs_get_inode_info(struct inode **pinode,
                                        pfindData, cifs_sb->local_nls, 
                                        cifs_sb->mnt_cifs_flags &
                                          CIFS_MOUNT_MAP_SPECIAL_CHR);
+                       adjustTZ = TRUE;
                }
                
        }
@@ -385,8 +387,10 @@ int cifs_get_inode_info(struct inode **pinode,
                /* get new inode */
                if (*pinode == NULL) {
                        *pinode = new_inode(sb);
-                       if (*pinode == NULL)
+                       if (*pinode == NULL) {
+                               kfree(buf);
                                return -ENOMEM;
+                       }
                        /* Is an i_ino of zero legal? Can we use that to check
                           if the server supports returning inode numbers?  Are
                           there other sanity checks we can use to ensure that
@@ -432,13 +436,20 @@ int cifs_get_inode_info(struct inode **pinode,
                (pTcon->ses->server->maxBuf - MAX_CIFS_HDR_SIZE) & 0xFFFFFE00;*/
 
                /* Linux can not store file creation time so ignore it */
-               inode->i_atime =
-                   cifs_NTtimeToUnix(le64_to_cpu(pfindData->LastAccessTime));
+               if(pfindData->LastAccessTime)
+                       inode->i_atime = cifs_NTtimeToUnix
+                               (le64_to_cpu(pfindData->LastAccessTime));
+               else /* do not need to use current_fs_time - time not stored */
+                       inode->i_atime = CURRENT_TIME;
                inode->i_mtime =
                    cifs_NTtimeToUnix(le64_to_cpu(pfindData->LastWriteTime));
                inode->i_ctime =
                    cifs_NTtimeToUnix(le64_to_cpu(pfindData->ChangeTime));
                cFYI(0, ("Attributes came in as 0x%x", attr));
+               if(adjustTZ && (pTcon->ses) && (pTcon->ses->server)) {
+                       inode->i_ctime.tv_sec += pTcon->ses->server->timeAdj;
+                       inode->i_mtime.tv_sec += pTcon->ses->server->timeAdj;
+               }
 
                /* set default mode. will override for dirs below */
                if (atomic_read(&cifsInfo->inUse) == 0)
@@ -477,6 +488,12 @@ int cifs_get_inode_info(struct inode **pinode,
                           mode e.g. 555 */
                        if (cifsInfo->cifsAttrs & ATTR_READONLY)
                                inode->i_mode &= ~(S_IWUGO);
+                       else if ((inode->i_mode & S_IWUGO) == 0)
+                               /* the ATTR_READONLY flag may have been */
+                               /* changed on server -- set any w bits  */
+                               /* allowed by mnt_file_mode             */
+                               inode->i_mode |= (S_IWUGO &
+                                                 cifs_sb->mnt_file_mode);
                /* BB add code here -
                   validate if device or weird share or device type? */
                }
@@ -591,7 +608,7 @@ int cifs_unlink(struct inode *inode, struct dentry *direntry)
 
        if (!rc) {
                if (direntry->d_inode)
-                       direntry->d_inode->i_nlink--;
+                       drop_nlink(direntry->d_inode);
        } else if (rc == -ENOENT) {
                d_drop(direntry);
        } else if (rc == -ETXTBSY) {
@@ -610,7 +627,7 @@ int cifs_unlink(struct inode *inode, struct dentry *direntry)
                                                CIFS_MOUNT_MAP_SPECIAL_CHR);
                        CIFSSMBClose(xid, pTcon, netfid);
                        if (direntry->d_inode)
-                               direntry->d_inode->i_nlink--;
+                               drop_nlink(direntry->d_inode);
                }
        } else if (rc == -EACCES) {
                /* try only if r/o attribute set in local lookup data? */
@@ -664,7 +681,7 @@ int cifs_unlink(struct inode *inode, struct dentry *direntry)
                                                CIFS_MOUNT_MAP_SPECIAL_CHR);
                        if (!rc) {
                                if (direntry->d_inode)
-                                       direntry->d_inode->i_nlink--;
+                                       drop_nlink(direntry->d_inode);
                        } else if (rc == -ETXTBSY) {
                                int oplock = FALSE;
                                __u16 netfid;
@@ -685,7 +702,7 @@ int cifs_unlink(struct inode *inode, struct dentry *direntry)
                                                    CIFS_MOUNT_MAP_SPECIAL_CHR);
                                        CIFSSMBClose(xid, pTcon, netfid);
                                        if (direntry->d_inode)
-                                               direntry->d_inode->i_nlink--;
+                                               drop_nlink(direntry->d_inode);
                                }
                        /* BB if rc = -ETXTBUSY goto the rename logic BB */
                        }
@@ -736,7 +753,7 @@ int cifs_mkdir(struct inode *inode, struct dentry *direntry, int mode)
                cFYI(1, ("cifs_mkdir returned 0x%x", rc));
                d_drop(direntry);
        } else {
-               inode->i_nlink++;
+               inc_nlink(inode);
                if (pTcon->ses->capabilities & CAP_UNIX)
                        rc = cifs_get_inode_info_unix(&newinode, full_path,
                                                      inode->i_sb,xid);
@@ -817,9 +834,9 @@ int cifs_rmdir(struct inode *inode, struct dentry *direntry)
                          cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
 
        if (!rc) {
-               inode->i_nlink--;
+               drop_nlink(inode);
                i_size_write(direntry->d_inode,0);
-               direntry->d_inode->i_nlink = 0;
+               clear_nlink(direntry->d_inode);
        }
 
        cifsInode = CIFS_I(direntry->d_inode);
@@ -1122,6 +1139,7 @@ int cifs_setattr(struct dentry *direntry, struct iattr *attrs)
        struct cifsFileInfo *open_file = NULL;
        FILE_BASIC_INFO time_buf;
        int set_time = FALSE;
+       int set_dosattr = FALSE;
        __u64 mode = 0xFFFFFFFFFFFFFFFFULL;
        __u64 uid = 0xFFFFFFFFFFFFFFFFULL;
        __u64 gid = 0xFFFFFFFFFFFFFFFFULL;
@@ -1258,15 +1276,23 @@ int cifs_setattr(struct dentry *direntry, struct iattr *attrs)
        else if (attrs->ia_valid & ATTR_MODE) {
                rc = 0;
                if ((mode & S_IWUGO) == 0) /* not writeable */ {
-                       if ((cifsInode->cifsAttrs & ATTR_READONLY) == 0)
+                       if ((cifsInode->cifsAttrs & ATTR_READONLY) == 0) {
+                               set_dosattr = TRUE;
                                time_buf.Attributes =
                                        cpu_to_le32(cifsInode->cifsAttrs |
                                                    ATTR_READONLY);
+                       }
                } else if ((mode & S_IWUGO) == S_IWUGO) {
-                       if (cifsInode->cifsAttrs & ATTR_READONLY)
+                       if (cifsInode->cifsAttrs & ATTR_READONLY) {
+                               set_dosattr = TRUE;
                                time_buf.Attributes =
                                        cpu_to_le32(cifsInode->cifsAttrs &
                                                    (~ATTR_READONLY));
+                               /* Windows ignores set to zero */
+                               if(time_buf.Attributes == 0)
+                                       time_buf.Attributes |=
+                                               cpu_to_le32(ATTR_NORMAL);
+                       }
                }
                /* BB to be implemented -
                   via Windows security descriptors or streams */
@@ -1304,7 +1330,7 @@ int cifs_setattr(struct dentry *direntry, struct iattr *attrs)
        } else
                time_buf.ChangeTime = 0;
 
-       if (set_time || time_buf.Attributes) {
+       if (set_time || set_dosattr) {
                time_buf.CreationTime = 0;      /* do not change */
                /* In the future we should experiment - try setting timestamps
                   via Handle (SetFileInfo) instead of by path */