CIFS: Implement cifs_strict_fsync

[pandora-kernel.git] / fs / cifs / inode.c

diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index b06b606..8852470 100644 (file)
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -32,7 +32,7 @@
 #include "fscache.h"
 
 
-static void cifs_set_ops(struct inode *inode, const bool is_dfs_referral)
+static void cifs_set_ops(struct inode *inode)
 {
        struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
 
@@ -44,13 +44,17 @@ static void cifs_set_ops(struct inode *inode, const bool is_dfs_referral)
                                inode->i_fop = &cifs_file_direct_nobrl_ops;
                        else
                                inode->i_fop = &cifs_file_direct_ops;
+               } else if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_STRICT_IO) {
+                       if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL)
+                               inode->i_fop = &cifs_file_strict_nobrl_ops;
+                       else
+                               inode->i_fop = &cifs_file_strict_ops;
                } else if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL)
                        inode->i_fop = &cifs_file_nobrl_ops;
                else { /* not direct, send byte range locks */
                        inode->i_fop = &cifs_file_ops;
                }
 
-
                /* check if server can support readpages */
                if (cifs_sb_master_tcon(cifs_sb)->ses->server->maxBuf <
                                PAGE_CACHE_SIZE + MAX_CIFS_HDR_SIZE)
@@ -60,7 +64,7 @@ static void cifs_set_ops(struct inode *inode, const bool is_dfs_referral)
                break;
        case S_IFDIR:
 #ifdef CONFIG_CIFS_DFS_UPCALL
-               if (is_dfs_referral) {
+               if (IS_AUTOMOUNT(inode)) {
                        inode->i_op = &cifs_dfs_referral_inode_operations;
                } else {
 #else /* NO DFS support, treat as a directory */
@@ -167,7 +171,9 @@ cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr)
        }
        spin_unlock(&inode->i_lock);
 
-       cifs_set_ops(inode, fattr->cf_flags & CIFS_FATTR_DFS_REFERRAL);
+       if (fattr->cf_flags & CIFS_FATTR_DFS_REFERRAL)
+               inode->i_flags |= S_AUTOMOUNT;
+       cifs_set_ops(inode);
 }
 
 void
@@ -1677,7 +1683,7 @@ cifs_inode_needs_reval(struct inode *inode)
 /*
  * Zap the cache. Called when invalid_mapping flag is set.
  */
-static void
+void
 cifs_invalidate_mapping(struct inode *inode)
 {
        int rc;