[CIFS] Do not time out posix brl requests when using new posix setfileinfo

[linux-2.6] / fs / cifs / file.c

diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index fafdcdffba62c3656df62e76fd6cd4e280234240..52e2e4c8794b752dca6bec6809aced17a0ddfd73 100644 (file)
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -110,7 +110,6 @@ static inline int cifs_open_inode_helper(struct inode *inode, struct file *file,
                         &pCifsInode->openFileList);
        }
        write_unlock(&GlobalSMBSeslock);
-       write_unlock(&file->f_owner.lock);
        if (pCifsInode->clientCanCacheRead) {
                /* we have the inode open somewhere else
                   no need to discard cache data */
@@ -287,7 +286,6 @@ int cifs_open(struct inode *inode, struct file *file)
                goto out;
        }
        pCifsFile = cifs_init_private(file->private_data, inode, file, netfid);
-       write_lock(&file->f_owner.lock);
        write_lock(&GlobalSMBSeslock);
        list_add(&pCifsFile->tlist, &pTcon->openFileList);
 
@@ -298,7 +296,6 @@ int cifs_open(struct inode *inode, struct file *file)
                                            &oplock, buf, full_path, xid);
        } else {
                write_unlock(&GlobalSMBSeslock);
-               write_unlock(&file->f_owner.lock);
        }
 
        if (oplock & CIFS_CREATE_ACTION) {           
@@ -327,7 +324,7 @@ out:
        return rc;
 }
 
-/* Try to reaquire byte range locks that were released when session */
+/* Try to reacquire byte range locks that were released when session */
 /* to server was lost */
 static int cifs_relock_file(struct cifsFileInfo *cifsFile)
 {
@@ -477,7 +474,6 @@ int cifs_close(struct inode *inode, struct file *file)
        pTcon = cifs_sb->tcon;
        if (pSMBFile) {
                pSMBFile->closePend = TRUE;
-               write_lock(&file->f_owner.lock);
                if (pTcon) {
                        /* no sense reconnecting to close a file that is
                           already closed */
@@ -492,23 +488,18 @@ int cifs_close(struct inode *inode, struct file *file)
                                        the struct would be in each open file,
                                        but this should give enough time to 
                                        clear the socket */
-                                       write_unlock(&file->f_owner.lock);
                                        cERROR(1,("close with pending writes"));
                                        msleep(timeout);
-                                       write_lock(&file->f_owner.lock);
                                        timeout *= 4;
                                } 
-                               write_unlock(&file->f_owner.lock);
                                rc = CIFSSMBClose(xid, pTcon,
                                                  pSMBFile->netfid);
-                               write_lock(&file->f_owner.lock);
                        }
                }
                write_lock(&GlobalSMBSeslock);
                list_del(&pSMBFile->flist);
                list_del(&pSMBFile->tlist);
                write_unlock(&GlobalSMBSeslock);
-               write_unlock(&file->f_owner.lock);
                kfree(pSMBFile->search_resume_name);
                kfree(file->private_data);
                file->private_data = NULL;
@@ -653,8 +644,7 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *pfLock)
        account for negative length which we can not accept over the
        wire */
        if (IS_GETLK(cmd)) {
-               if(experimEnabled && 
-                  (cifs_sb->tcon->ses->capabilities & CAP_UNIX) &&
+               if((cifs_sb->tcon->ses->capabilities & CAP_UNIX) &&
                   (CIFS_UNIX_FCNTL_CAP & 
                        le64_to_cpu(cifs_sb->tcon->fsUnixInfo.Capability))) {
                        int posix_lock_type;
@@ -692,8 +682,7 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *pfLock)
                FreeXid(xid);
                return rc;
        }
-       if (experimEnabled &&
-               (cifs_sb->tcon->ses->capabilities & CAP_UNIX) &&
+       if ((cifs_sb->tcon->ses->capabilities & CAP_UNIX) &&
                (CIFS_UNIX_FCNTL_CAP &
                         le64_to_cpu(cifs_sb->tcon->fsUnixInfo.Capability))) {
                int posix_lock_type;
@@ -1084,9 +1073,9 @@ static int cifs_writepages(struct address_space *mapping,
        unsigned int bytes_written;
        struct cifs_sb_info *cifs_sb;
        int done = 0;
-       pgoff_t end = -1;
+       pgoff_t end;
        pgoff_t index;
-       int is_range = 0;
+       int range_whole = 0;
        struct kvec iov[32];
        int len;
        int n_iov = 0;
@@ -1127,16 +1116,14 @@ static int cifs_writepages(struct address_space *mapping,
        xid = GetXid();
 
        pagevec_init(&pvec, 0);
-       if (wbc->sync_mode == WB_SYNC_NONE)
+       if (wbc->range_cyclic) {
                index = mapping->writeback_index; /* Start from prev offset */
-       else {
-               index = 0;
-               scanned = 1;
-       }
-       if (wbc->start || wbc->end) {
-               index = wbc->start >> PAGE_CACHE_SHIFT;
-               end = wbc->end >> PAGE_CACHE_SHIFT;
-               is_range = 1;
+               end = -1;
+       } else {
+               index = wbc->range_start >> PAGE_CACHE_SHIFT;
+               end = wbc->range_end >> PAGE_CACHE_SHIFT;
+               if (wbc->range_start == 0 && wbc->range_end == LLONG_MAX)
+                       range_whole = 1;
                scanned = 1;
        }
 retry:
@@ -1172,7 +1159,7 @@ retry:
                                break;
                        }
 
-                       if (unlikely(is_range) && (page->index > end)) {
+                       if (!wbc->range_cyclic && page->index > end) {
                                done = 1;
                                unlock_page(page);
                                break;
@@ -1276,7 +1263,7 @@ retry:
                index = 0;
                goto retry;
        }
-       if (!is_range)
+       if (wbc->range_cyclic || (range_whole && wbc->nr_to_write > 0))
                mapping->writeback_index = index;
 
        FreeXid(xid);
@@ -1424,7 +1411,7 @@ int cifs_fsync(struct file *file, struct dentry *dentry, int datasync)
  * As file closes, flush all cached write data for this inode checking
  * for write behind errors.
  */
-int cifs_flush(struct file *file)
+int cifs_flush(struct file *file, fl_owner_t id)
 {
        struct inode * inode = file->f_dentry->d_inode;
        int rc = 0;
@@ -1953,7 +1940,7 @@ static int cifs_prepare_write(struct file *file, struct page *page,
        return 0;
 }
 
-struct address_space_operations cifs_addr_ops = {
+const struct address_space_operations cifs_addr_ops = {
        .readpage = cifs_readpage,
        .readpages = cifs_readpages,
        .writepage = cifs_writepage,
@@ -1970,7 +1957,7 @@ struct address_space_operations cifs_addr_ops = {
  * contain the header plus one complete page of data.  Otherwise, we need
  * to leave cifs_readpages out of the address space operations.
  */
-struct address_space_operations cifs_addr_ops_smallbuf = {
+const struct address_space_operations cifs_addr_ops_smallbuf = {
        .readpage = cifs_readpage,
        .writepage = cifs_writepage,
        .writepages = cifs_writepages,