From: "Pali Rohár" <pali.rohar@gmail.com>
To: Namjae Jeon <namjae.jeon@samsung.com>
Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
gregkh@linuxfoundation.org, valdis.kletnieks@vt.edu, hch@lst.de,
sj1557.seo@samsung.com, linkinjeon@gmail.com, arnd@arndb.de
Subject: Re: [PATCH v10 03/14] exfat: add inode operations
Date: Fri, 17 Jan 2020 10:25:27 +0100 [thread overview]
Message-ID: <20200117092527.5m4i2fvo7mge7z37@pali> (raw)
In-Reply-To: <20200115082447.19520-4-namjae.jeon@samsung.com>
On Wednesday 15 January 2020 17:24:36 Namjae Jeon wrote:
> This adds the implementation of inode operations for exfat.
>
> Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
> Signed-off-by: Sungjong Seo <sj1557.seo@samsung.com>
> ---
> fs/exfat/inode.c | 667 +++++++++++++++++++++
> fs/exfat/namei.c | 1442 ++++++++++++++++++++++++++++++++++++++++++++++
> 2 files changed, 2109 insertions(+)
> create mode 100644 fs/exfat/inode.c
> create mode 100644 fs/exfat/namei.c
>
> diff --git a/fs/exfat/inode.c b/fs/exfat/inode.c
> new file mode 100644
> index 000000000000..56cf09db1920
> --- /dev/null
> +++ b/fs/exfat/inode.c
> @@ -0,0 +1,667 @@
> +// SPDX-License-Identifier: GPL-2.0-or-later
> +/*
> + * Copyright (C) 2012-2013 Samsung Electronics Co., Ltd.
> + */
> +
> +#include <linux/init.h>
> +#include <linux/buffer_head.h>
> +#include <linux/mpage.h>
> +#include <linux/bio.h>
> +#include <linux/blkdev.h>
> +#include <linux/time.h>
> +#include <linux/writeback.h>
> +#include <linux/uio.h>
> +#include <linux/random.h>
> +#include <linux/iversion.h>
> +
> +#include "exfat_raw.h"
> +#include "exfat_fs.h"
> +
> +static int __exfat_write_inode(struct inode *inode, int sync)
> +{
> + int ret = -EIO;
> + unsigned long long on_disk_size;
> + struct exfat_dentry *ep, *ep2;
> + struct exfat_entry_set_cache *es = NULL;
> + struct super_block *sb = inode->i_sb;
> + struct exfat_sb_info *sbi = EXFAT_SB(sb);
> + struct exfat_inode_info *ei = EXFAT_I(inode);
> + bool is_dir = (ei->type == TYPE_DIR) ? true : false;
> +
> + if (inode->i_ino == EXFAT_ROOT_INO)
> + return 0;
> +
> + /*
> + * If the indode is already unlinked, there is no need for updating it.
> + */
> + if (ei->dir.dir == DIR_DELETED)
> + return 0;
> +
> + if (is_dir && ei->dir.dir == sbi->root_dir && ei->entry == -1)
> + return 0;
> +
> + exfat_set_vol_flags(sb, VOL_DIRTY);
> +
> + /* get the directory entry of given file or directory */
> + es = exfat_get_dentry_set(sb, &(ei->dir), ei->entry, ES_ALL_ENTRIES,
> + &ep);
> + if (!es)
> + return -EIO;
> + ep2 = ep + 1;
> +
> + ep->dentry.file.attr = cpu_to_le16(exfat_make_attr(inode));
> +
> + /* set FILE_INFO structure using the acquired struct exfat_dentry */
> + exfat_set_entry_time(sbi, &inode->i_ctime,
> + &ep->dentry.file.create_time,
> + &ep->dentry.file.create_date,
> + &ep->dentry.file.create_tz);
And here is missing updating of create_time_ms entry too.
> + exfat_set_entry_time(sbi, &inode->i_mtime,
> + &ep->dentry.file.modify_time,
> + &ep->dentry.file.modify_date,
> + &ep->dentry.file.modify_tz);
And here modify_time_ms too.
> + exfat_set_entry_time(sbi, &inode->i_atime,
> + &ep->dentry.file.access_time,
> + &ep->dentry.file.access_date,
> + &ep->dentry.file.access_tz);
> +
> + /* File size should be zero if there is no cluster allocated */
> + on_disk_size = i_size_read(inode);
> +
> + if (ei->start_clu == EXFAT_EOF_CLUSTER)
> + on_disk_size = 0;
> +
> + ep2->dentry.stream.valid_size = cpu_to_le64(on_disk_size);
> + ep2->dentry.stream.size = ep2->dentry.stream.valid_size;
> +
> + ret = exfat_update_dir_chksum_with_entry_set(sb, es, sync);
> + kfree(es);
> + return ret;
> +}
--
Pali Rohár
pali.rohar@gmail.com
next prev parent reply other threads:[~2020-01-17 9:33 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20200115082818epcas1p4892a99345626188afd111ee263132458@epcas1p4.samsung.com>
2020-01-15 8:24 ` [PATCH v10 00/14] add the latest exfat driver Namjae Jeon
[not found] ` <CGME20200115082819epcas1p3303009557f8bf670b47991530f380ef7@epcas1p3.samsung.com>
2020-01-15 8:24 ` [PATCH v10 01/14] exfat: add in-memory and on-disk structures and headers Namjae Jeon
[not found] ` <CGME20200115082819epcas1p3825d5bed592a8378ad26254d07d59b18@epcas1p3.samsung.com>
2020-01-15 8:24 ` [PATCH v10 02/14] exfat: add super block operations Namjae Jeon
[not found] ` <CGME20200115082820epcas1p34ebebebaf610fd61c4e9882fca8ddbd5@epcas1p3.samsung.com>
2020-01-15 8:24 ` [PATCH v10 03/14] exfat: add inode operations Namjae Jeon
2020-01-15 10:25 ` Arnd Bergmann
2020-01-15 13:39 ` Namjae Jeon
2020-01-17 9:25 ` Pali Rohár [this message]
2020-01-17 11:17 ` Pali Rohár
[not found] ` <CGME20200115082821epcas1p3db1f70cf53185c40934c3a754c65e648@epcas1p3.samsung.com>
2020-01-15 8:24 ` [PATCH v10 04/14] exfat: add directory operations Namjae Jeon
2020-01-17 11:13 ` Pali Rohár
[not found] ` <CGME20200115082821epcas1p4d76d8668dfac70ae3e3889d4ccb6c3ee@epcas1p4.samsung.com>
2020-01-15 8:24 ` [PATCH v10 05/14] exfat: add file operations Namjae Jeon
2020-01-15 9:56 ` Arnd Bergmann
2020-01-15 13:07 ` Namjae Jeon
2020-01-17 9:18 ` Pali Rohár
2020-01-17 12:12 ` Namjae Jeon
[not found] ` <CGME20200115082822epcas1p37aca37dad0aa9159d7eddde01edfeec2@epcas1p3.samsung.com>
2020-01-15 8:24 ` [PATCH v10 06/14] exfat: add fat entry operations Namjae Jeon
[not found] ` <CGME20200115082822epcas1p384d080724d8bb0a8cd4c3e3015a0895c@epcas1p3.samsung.com>
2020-01-15 8:24 ` [PATCH v10 07/14] exfat: add bitmap operations Namjae Jeon
[not found] ` <CGME20200115082823epcas1p27ec5ff6d384f148d826529f573173b04@epcas1p2.samsung.com>
2020-01-15 8:24 ` [PATCH v10 08/14] exfat: add exfat cache Namjae Jeon
[not found] ` <CGME20200115082824epcas1p4eb45d088c2f88149acb94563c4a9b276@epcas1p4.samsung.com>
2020-01-15 8:24 ` [PATCH v10 09/14] exfat: add misc operations Namjae Jeon
2020-01-15 10:10 ` Arnd Bergmann
2020-01-15 13:30 ` Namjae Jeon
2020-01-15 13:38 ` Pali Rohár
2020-01-15 13:50 ` Arnd Bergmann
2020-01-15 14:24 ` Pali Rohár
2020-01-15 15:03 ` Arnd Bergmann
2020-01-15 15:39 ` Pali Rohár
2020-01-15 15:52 ` Arnd Bergmann
2020-01-16 10:19 ` Pali Rohár
2020-01-16 10:23 ` Christoph Hellwig
2020-01-16 16:00 ` Pali Rohár
2020-01-17 2:59 ` Namjae Jeon
2020-01-17 10:13 ` Arnd Bergmann
2020-01-17 12:13 ` Namjae Jeon
[not found] ` <CGME20200115082824epcas1p23a0fa255a5833c6dcd2479b384f37740@epcas1p2.samsung.com>
2020-01-15 8:24 ` [PATCH v10 10/14] exfat: add nls operations Namjae Jeon
[not found] ` <CGME20200115082825epcas1p1f22ddca6dbf5d70e65d3b0e3c25c3a59@epcas1p1.samsung.com>
2020-01-15 8:24 ` [PATCH v10 11/14] exfat: add Kconfig and Makefile Namjae Jeon
2020-01-15 9:39 ` Pali Rohár
2020-01-17 4:22 ` Namjae Jeon
2020-01-17 9:12 ` Pali Rohár
2020-01-17 11:59 ` Namjae Jeon
[not found] ` <CGME20200115082825epcas1p4a0d63d53d8737a84fe8867bc1e63811e@epcas1p4.samsung.com>
2020-01-15 8:24 ` [PATCH v10 12/14] exfat: add exfat in fs/Kconfig and fs/Makefile Namjae Jeon
[not found] ` <CGME20200115082826epcas1p117191a39ecccaef5a9b5cbe77b05c5a5@epcas1p1.samsung.com>
2020-01-15 8:24 ` [PATCH v10 13/14] MAINTAINERS: add exfat filesystem Namjae Jeon
[not found] ` <CGME20200115082826epcas1p3475ce2b4d03234dc96ced428be582eb3@epcas1p3.samsung.com>
2020-01-15 8:24 ` [PATCH v10 14/14] staging: exfat: make staging/exfat and fs/exfat mutually exclusive Namjae Jeon
2020-01-15 8:56 ` Greg KH
2020-01-15 13:06 ` Namjae Jeon
2020-01-15 9:47 ` [PATCH v10 00/14] add the latest exfat driver Pali Rohár
2020-01-15 13:05 ` Namjae Jeon
2020-01-16 10:51 ` Christoph Hellwig
2020-01-16 11:32 ` Pali Rohár
2020-01-16 13:01 ` Greg KH
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