diff options
Diffstat (limited to 'fs/cifs/inode.c')
| -rw-r--r-- | fs/cifs/inode.c | 35 |
1 files changed, 26 insertions, 9 deletions
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index aeb26dbfa1bf..b87efd0c92d6 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -59,7 +59,7 @@ static void cifs_set_ops(struct inode *inode) /* check if server can support readpages */ if (cifs_sb_master_tcon(cifs_sb)->ses->server->maxBuf < - PAGE_CACHE_SIZE + MAX_CIFS_HDR_SIZE) + PAGE_SIZE + MAX_CIFS_HDR_SIZE) inode->i_data.a_ops = &cifs_addr_ops_smallbuf; else inode->i_data.a_ops = &cifs_addr_ops; @@ -1002,10 +1002,26 @@ struct inode *cifs_root_iget(struct super_block *sb) struct inode *inode = NULL; long rc; struct cifs_tcon *tcon = cifs_sb_master_tcon(cifs_sb); + char *path = NULL; + int len; + + if ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_USE_PREFIX_PATH) + && cifs_sb->prepath) { + len = strlen(cifs_sb->prepath); + path = kzalloc(len + 2 /* leading sep + null */, GFP_KERNEL); + if (path == NULL) + return ERR_PTR(-ENOMEM); + path[0] = '/'; + memcpy(path+1, cifs_sb->prepath, len); + } else { + path = kstrdup("", GFP_KERNEL); + if (path == NULL) + return ERR_PTR(-ENOMEM); + } xid = get_xid(); if (tcon->unix_ext) { - rc = cifs_get_inode_info_unix(&inode, "", sb, xid); + rc = cifs_get_inode_info_unix(&inode, path, sb, xid); /* some servers mistakenly claim POSIX support */ if (rc != -EOPNOTSUPP) goto iget_no_retry; @@ -1013,7 +1029,8 @@ struct inode *cifs_root_iget(struct super_block *sb) tcon->unix_ext = false; } - rc = cifs_get_inode_info(&inode, "", NULL, sb, xid, NULL); + convert_delimiter(path, CIFS_DIR_SEP(cifs_sb)); + rc = cifs_get_inode_info(&inode, path, NULL, sb, xid, NULL); iget_no_retry: if (!inode) { @@ -1042,6 +1059,7 @@ iget_no_retry: } out: + kfree(path); /* can not call macro free_xid here since in a void func * TODO: This is no longer true */ @@ -2019,8 +2037,8 @@ int cifs_getattr(struct vfsmount *mnt, struct dentry *dentry, static int cifs_truncate_page(struct address_space *mapping, loff_t from) { - pgoff_t index = from >> PAGE_CACHE_SHIFT; - unsigned offset = from & (PAGE_CACHE_SIZE - 1); + pgoff_t index = from >> PAGE_SHIFT; + unsigned offset = from & (PAGE_SIZE - 1); struct page *page; int rc = 0; @@ -2028,9 +2046,9 @@ static int cifs_truncate_page(struct address_space *mapping, loff_t from) if (!page) return -ENOMEM; - zero_user_segment(page, offset, PAGE_CACHE_SIZE); + zero_user_segment(page, offset, PAGE_SIZE); unlock_page(page); - page_cache_release(page); + put_page(page); return rc; } @@ -2418,8 +2436,7 @@ cifs_setattr_exit: int cifs_setattr(struct dentry *direntry, struct iattr *attrs) { - struct inode *inode = d_inode(direntry); - struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb); + struct cifs_sb_info *cifs_sb = CIFS_SB(direntry->d_sb); struct cifs_tcon *pTcon = cifs_sb_master_tcon(cifs_sb); if (pTcon->unix_ext) |