[{"id":1762284,"web_url":"http://patchwork.ozlabs.org/comment/1762284/","msgid":"<7b656365-cbe1-cbec-4c43-818695583027@denx.de>","list_archive_url":null,"date":"2017-09-03T15:19:52","subject":"Re: [U-Boot] [PATCH v2 7/8] fat/fs: move ls to generic\n\timplementation","submitter":{"id":70701,"url":"http://patchwork.ozlabs.org/api/people/70701/","name":"Lukasz Majewski","email":"lukma@denx.de"},"content":"On 09/02/2017 06:38 PM, Rob Clark wrote:\n> Add a generic implementation of 'ls' using opendir/readdir/closedir, and\n> replace fat's custom implementation. Other filesystems should move to\n> the generic implementation after they add opendir/readdir/closedir\n> support.\n> \n\nReviewed-by: Łukasz Majewski \n\n> Signed-off-by: Rob Clark \n> ---\n> fs/fat/fat.c | 32 --------------------------------\n> fs/fs.c | 35 +++++++++++++++++++++++++++++++++--\n> include/fat.h | 5 ++++-\n> 3 files changed, 37 insertions(+), 35 deletions(-)\n> \n> diff --git a/fs/fat/fat.c b/fs/fat/fat.c\n> index d30ef3903b..fc3106aacb 100644\n> --- a/fs/fat/fat.c\n> +++ b/fs/fat/fat.c\n> @@ -1002,38 +1002,6 @@ int file_fat_detectfs(void)\n> \treturn 0;\n> }\n> \n> -int file_fat_ls(const char *dir)\n> -{\n> -\tfsdata fsdata;\n> -\tfat_itr itrblock, *itr = &itrblock;\n> -\tint files = 0, dirs = 0;\n> -\tint ret;\n> -\n> -\tret = fat_itr_root(itr, &fsdata);\n> -\tif (ret)\n> -\t\treturn ret;\n> -\n> -\tret = fat_itr_resolve(itr, dir, TYPE_DIR);\n> -\tif (ret)\n> -\t\treturn ret;\n> -\n> -\twhile (fat_itr_next(itr)) {\n> -\t\tif (fat_itr_isdir(itr)) {\n> -\t\t\tprintf(\" %s/\\n\", itr->name);\n> -\t\t\tdirs++;\n> -\t\t} else {\n> -\t\t\tprintf(\" %8u %s\\n\",\n> -\t\t\t FAT2CPU32(itr->dent->size),\n> -\t\t\t itr->name);\n> -\t\t\tfiles++;\n> -\t\t}\n> -\t}\n> -\n> -\tprintf(\"\\n%d file(s), %d dir(s)\\n\\n\", files, dirs);\n> -\n> -\treturn 0;\n> -}\n> -\n> int fat_exists(const char *filename)\n> {\n> \tfsdata fsdata;\n> diff --git a/fs/fs.c b/fs/fs.c\n> index 441c880654..716c223ec6 100644\n> --- a/fs/fs.c\n> +++ b/fs/fs.c\n> @@ -37,6 +37,35 @@ static inline int fs_ls_unsupported(const char *dirname)\n> \treturn -1;\n> }\n> \n> +/* generic implementation of ls in terms of opendir/readdir/closedir */\n> +__maybe_unused\n> +static int fs_ls_generic(const char *dirname)\n> +{\n> +\tFS_DIR *dirp;\n> +\tstruct fs_dirent *dent;\n> +\tint files = 0, dirs = 0;\n> +\n> +\tdirp = fs_opendir(dirname);\n> +\tif (!dirp)\n> +\t\treturn -errno;\n> +\n> +\twhile ((dent = fs_readdir(dirp))) {\n> +\t\tif (dent->type == FS_DT_DIR) {\n> +\t\t\tprintf(\" %s/\\n\", dent->name);\n> +\t\t\tdirs++;\n> +\t\t} else {\n> +\t\t\tprintf(\" %8lld %s\\n\", dent->size, dent->name);\n> +\t\t\tfiles++;\n> +\t\t}\n> +\t}\n> +\n> +\tfs_closedir(dirp);\n> +\n> +\tprintf(\"\\n%d file(s), %d dir(s)\\n\\n\", files, dirs);\n> +\n> +\treturn 0;\n> +}\n> +\n> static inline int fs_exists_unsupported(const char *filename)\n> {\n> \treturn 0;\n> @@ -111,7 +140,7 @@ static struct fstype_info fstypes[] = {\n> \t\t.null_dev_desc_ok = false,\n> \t\t.probe = fat_set_blk_dev,\n> \t\t.close = fat_close,\n> -\t\t.ls = file_fat_ls,\n> +\t\t.ls = fs_ls_generic,\n> \t\t.exists = fat_exists,\n> \t\t.size = fat_size,\n> \t\t.read = fat_read_file,\n> @@ -121,7 +150,9 @@ static struct fstype_info fstypes[] = {\n> \t\t.write = fs_write_unsupported,\n> #endif\n> \t\t.uuid = fs_uuid_unsupported,\n> -\t\t.opendir = fs_opendir_unsupported,\n> +\t\t.opendir = fat_opendir,\n> +\t\t.readdir = fat_readdir,\n> +\t\t.closedir = fat_closedir,\n> \t},\n> #endif\n> #ifdef CONFIG_FS_EXT4\n> diff --git a/include/fat.h b/include/fat.h\n> index 1e8bc44e9a..b2d4b952fd 100644\n> --- a/include/fat.h\n> +++ b/include/fat.h\n> @@ -11,6 +11,7 @@\n> #define _FAT_H_\n> \n> #include \n> +#include \n> \n> #define CONFIG_SUPPORT_VFAT\n> /* Maximum Long File Name length supported here is 128 UTF-16 code units */\n> @@ -172,7 +173,6 @@ typedef struct {\n> } fsdata;\n> \n> int file_fat_detectfs(void);\n> -int file_fat_ls(const char *dir);\n> int fat_exists(const char *filename);\n> int fat_size(const char *filename, loff_t *size);\n> int file_fat_read_at(const char *filename, loff_t pos, void *buffer,\n> @@ -185,5 +185,8 @@ int file_fat_write(const char *filename, void *buf, loff_t offset, loff_t len,\n> \t\t loff_t *actwrite);\n> int fat_read_file(const char *filename, void *buf, loff_t offset, loff_t len,\n> \t\t loff_t *actread);\n> +int fat_opendir(const char *filename, FS_DIR **dirp);\n> +int fat_readdir(FS_DIR *dirp);\n> +void fat_closedir(FS_DIR *dirp);\n> void fat_close(void);\n> #endif /* _FAT_H_ */\n>","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@bilbo.ozlabs.org","Authentication-Results":"ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.denx.de\n\t(client-ip=81.169.180.215; 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Linux x86_64; rv:52.0) Gecko/20100101\n\tThunderbird/52.2.1","MIME-Version":"1.0","In-Reply-To":"<20170902163806.27265-8-robdclark@gmail.com>","Content-Language":"en-US","Cc":"=?utf-8?q?=C5=81ukasz_Majewski?= ,\n\tTien Fong Chee , Genevieve Chan ","Subject":"Re: [U-Boot] [PATCH v2 7/8] fat/fs: move ls to generic\n\timplementation","X-BeenThere":"u-boot@lists.denx.de","X-Mailman-Version":"2.1.18","Precedence":"list","List-Id":"U-Boot discussion ","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Content-Transfer-Encoding":"base64","Content-Type":"text/plain; charset=\"utf-8\"; Format=\"flowed\"","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" "}},{"id":1763090,"web_url":"http://patchwork.ozlabs.org/comment/1763090/","msgid":"","list_archive_url":null,"date":"2017-09-05T08:56:36","subject":"Re: [U-Boot] [PATCH v2 7/8] fat/fs: move ls to generic\n\timplementation","submitter":{"id":6170,"url":"http://patchwork.ozlabs.org/api/people/6170/","name":"Simon Glass","email":"sjg@chromium.org"},"content":"On 3 September 2017 at 00:38, Rob Clark wrote:\n> Add a generic implementation of 'ls' using opendir/readdir/closedir, and\n> replace fat's custom implementation. Other filesystems should move to\n> the generic implementation after they add opendir/readdir/closedir\n> support.\n>\n> Signed-off-by: Rob Clark \n> ---\n> fs/fat/fat.c | 32 --------------------------------\n> fs/fs.c | 35 +++++++++++++++++++++++++++++++++--\n> include/fat.h | 5 ++++-\n> 3 files changed, 37 insertions(+), 35 deletions(-)\n\nReviewed-by: Simon Glass \n\nSo if all filesystems implement this interface then we could move this\nto function to the fs layer?","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.denx.de\n\t(client-ip=81.169.180.215; helo=lists.denx.de;\n\tenvelope-from=u-boot-bounces@lists.denx.de;\n\treceiver=)","ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n\tunprotected) header.d=google.com header.i=@google.com\n\theader.b=\"WP0PuX9b\"; \n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=chromium.org header.i=@chromium.org\n\theader.b=\"DgnRZ302\"; 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charset=\"utf-8\"","Content-Transfer-Encoding":"base64","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" "}},{"id":1763782,"web_url":"http://patchwork.ozlabs.org/comment/1763782/","msgid":"","list_archive_url":null,"date":"2017-09-06T02:12:02","subject":"Re: [U-Boot] [PATCH v2 7/8] fat/fs: move ls to generic\n\timplementation","submitter":{"id":18760,"url":"http://patchwork.ozlabs.org/api/people/18760/","name":"Rob Clark","email":"robdclark@gmail.com"},"content":"On Tue, Sep 5, 2017 at 4:56 AM, Simon Glass wrote:\n> On 3 September 2017 at 00:38, Rob Clark wrote:\n>> Add a generic implementation of 'ls' using opendir/readdir/closedir, and\n>> replace fat's custom implementation. Other filesystems should move to\n>> the generic implementation after they add opendir/readdir/closedir\n>> support.\n>>\n>> Signed-off-by: Rob Clark \n>> ---\n>> fs/fat/fat.c | 32 --------------------------------\n>> fs/fs.c | 35 +++++++++++++++++++++++++++++++++--\n>> include/fat.h | 5 ++++-\n>> 3 files changed, 37 insertions(+), 35 deletions(-)\n>\n> Reviewed-by: Simon Glass \n>\n> So if all filesystems implement this interface then we could move this\n> to function to the fs layer?\n\nyes.. there are some slight differences in output for other fs's but I\nguess since u-boot doesn't make that easy for a script to capture we\ncan probably ignore it..\n\nBR,\n-R","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.denx.de\n\t(client-ip=81.169.180.215; helo=lists.denx.de;\n\tenvelope-from=u-boot-bounces@lists.denx.de;\n\treceiver=)","ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n\tunprotected) header.d=gmail.com header.i=@gmail.com\n\theader.b=\"rwhGoQWH\"; dkim-atps=neutral"],"Received":["from lists.denx.de (dione.denx.de [81.169.180.215])\n\tby ozlabs.org (Postfix) with ESMTP id 3xn6Xv00yqz9sR9\n\tfor ;\n\tWed, 6 Sep 2017 12:12:13 +1000 (AEST)","by lists.denx.de (Postfix, from userid 105)\n\tid 4D9F9C21E64; Wed, 6 Sep 2017 02:12:07 +0000 (UTC)","from lists.denx.de (localhost [IPv6:::1])\n\tby lists.denx.de (Postfix) with ESMTP id 63464C21D75;\n\tWed, 6 Sep 2017 02:12:05 +0000 (UTC)","by lists.denx.de (Postfix, from userid 105)\n\tid A9974C21D75; Wed, 6 Sep 2017 02:12:03 +0000 (UTC)","from mail-lf0-f66.google.com (mail-lf0-f66.google.com\n\t[209.85.215.66])\n\tby lists.denx.de (Postfix) with ESMTPS id 53318C21C40\n\tfor ; Wed, 6 Sep 2017 02:12:03 +0000 (UTC)","by mail-lf0-f66.google.com with SMTP id c8so2477731lfe.2\n\tfor ; Tue, 05 Sep 2017 19:12:03 -0700 (PDT)","by 10.46.82.27 with HTTP; Tue, 5 Sep 2017 19:12:02 -0700 (PDT)"],"X-Spam-Checker-Version":"SpamAssassin 3.4.0 (2014-02-07) on lists.denx.de","X-Spam-Level":"","X-Spam-Status":"No, score=-0.0 required=5.0 tests=FREEMAIL_FROM,\n\tRCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL,\n\tT_DKIM_INVALID\n\tautolearn=unavailable autolearn_force=no version=3.4.0","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025;\n\th=mime-version:in-reply-to:references:from:date:message-id:subject:to\n\t:cc; bh=H9wa9Rsk/3ejCBZlPkD6qiFlm2TxULDUZ/Tv/lTgxAk=;\n\tb=rwhGoQWH2lWZ2WAhOshaGpeEaO9DdigBiNuOliKzWyU/nvOX9nrY0bEFhrfU+eohu/\n\txTaChmYPI/1YG8qD0m2F0yF7kE3c5JxTE8+/LmSSuh825XxZkUOKsLSYCdRQ8ZjNjE/h\n\tF77/+/PdjNY6bKQbcyuvVTcV8WxV2IacZnC6RO21JCPezgtvqSL1/qL7vqDL/1EviySj\n\ty60HndHmZ9Y2a1EAxuUj7XzmMw6K+Vny4vsqu9g5ra8JrKVvz6Ps5kd8deJU5DqZkm/t\n\tpTTuwEoDlUHm7p+GwjEL78lBt4Md1DOc3cGS/s6J/d26wXHCcfKtrbiV2n2ZgY3QGt0P\n\tr2Bw==","X-Google-DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=1e100.net; s=20161025;\n\th=x-gm-message-state:mime-version:in-reply-to:references:from:date\n\t:message-id:subject:to:cc;\n\tbh=H9wa9Rsk/3ejCBZlPkD6qiFlm2TxULDUZ/Tv/lTgxAk=;\n\tb=pXlDyuc5CP2Br4z3gw395QDJgnU8WVNAA8yQ4rILa2H2xo69WljKGKEu5zdlORvJGJ\n\tyIHcXoh3/E/0tUdwWJluBvtf81RCspgu/PKRpHgciyyEUI3D7XoWJ5HXky5zb1Uihl3T\n\tu6/sno0dB6IAE0x/dFh6hmKV04iKjRsXl9c1XSbYD8J2I3LI3IH6bGZy3QqY7PjbP8QC\n\tJffQAsWJKgZ9JCqVcnXAkRxq2r2MDUsMSb8EbyEoky+PxXmIg28QuXAP6HkhRhAsiXwn\n\ty5/b+8TK06PRqnMSSZHij9gczeEVJPK8z4wvdQ86z4ESEG7t0oZlgVjmlW+HLlWtccdF\n\tM6+A==","X-Gm-Message-State":"AHPjjUgqp+LYu//qwKpCSL+jPAYQmVCdrh60gsDdmdUhFgmsy9fjV9WC\n\tlVoXObS+CTGb97yG3vlXDovx1SDU8A==","X-Google-Smtp-Source":"ADKCNb6pMUvrWjLYV/f6rZFD4P5wPPAyarsUi56n5+3gaFOi83FAS4NJT6AOjqnkC4ATqfu0oNxwqstTpKJqv8y0P+E=","X-Received":"by 10.25.23.105 with SMTP id n102mr338517lfi.252.1504663922826; \n\tTue, 05 Sep 2017 19:12:02 -0700 (PDT)","MIME-Version":"1.0","In-Reply-To":"","References":"<20170902163806.27265-1-robdclark@gmail.com>\n\t<20170902163806.27265-8-robdclark@gmail.com>\n\t","From":"Rob Clark ","Date":"Tue, 5 Sep 2017 22:12:02 -0400","Message-ID":"","To":"Simon Glass ","Cc":"=?utf-8?q?=C5=81ukasz_Majewski?= ,\n\tGenevieve Chan , U-Boot Mailing List\n\t, Tien Fong Chee ","Subject":"Re: [U-Boot] [PATCH v2 7/8] fat/fs: move ls to generic\n\timplementation","X-BeenThere":"u-boot@lists.denx.de","X-Mailman-Version":"2.1.18","Precedence":"list","List-Id":"U-Boot discussion ","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Content-Type":"text/plain; charset=\"utf-8\"","Content-Transfer-Encoding":"base64","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" "}}]