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 04/14] exfat: add directory operations
Date: Fri, 17 Jan 2020 12:13:42 +0100 [thread overview]
Message-ID: <20200117111342.nijcivt4z6io6xtt@pali> (raw)
In-Reply-To: <20200115082447.19520-5-namjae.jeon@samsung.com>
On Wednesday 15 January 2020 17:24:37 Namjae Jeon wrote:
> This adds the implementation of directory operations for exfat.
>
> Reviewed-by: Christoph Hellwig <hch@lst.de>
> Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
> Signed-off-by: Sungjong Seo <sj1557.seo@samsung.com>
> ---
> fs/exfat/dir.c | 1244 ++++++++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 1244 insertions(+)
> create mode 100644 fs/exfat/dir.c
>
> diff --git a/fs/exfat/dir.c b/fs/exfat/dir.c
> new file mode 100644
> index 000000000000..81a95557a6a3
> --- /dev/null
> +++ b/fs/exfat/dir.c
...
> +/* read a directory entry from the opened directory */
> +static int exfat_readdir(struct inode *inode, struct exfat_dir_entry *dir_entry)
> +{
...
> + while (clu.dir != EXFAT_EOF_CLUSTER) {
> + i = dentry & (dentries_per_clu - 1);
> +
> + for ( ; i < dentries_per_clu; i++, dentry++) {
> + ep = exfat_get_dentry(sb, &clu, i, &bh, §or);
> + if (!ep)
> + return -EIO;
> +
> + type = exfat_get_entry_type(ep);
> + if (type == TYPE_UNUSED) {
> + brelse(bh);
> + break;
> + }
> +
> + if (type != TYPE_FILE && type != TYPE_DIR) {
> + brelse(bh);
> + continue;
> + }
> +
> + dir_entry->attr = le16_to_cpu(ep->dentry.file.attr);
> + exfat_get_entry_time(sbi, &dir_entry->ctime,
> + ep->dentry.file.create_time,
> + ep->dentry.file.create_date,
> + ep->dentry.file.create_tz);
Hello, here is missing processing of create_time_ms entry. I think that
exfat_get_entry_time() should be extended to take (optional) time_ms
parameter. time_ms is only for create_time nad modify_time (not for
access_time).
> + exfat_get_entry_time(sbi, &dir_entry->mtime,
> + ep->dentry.file.modify_time,
> + ep->dentry.file.modify_date,
> + ep->dentry.file.modify_tz);
Similarly there is missing processing of modify_time_ms entry.
> + exfat_get_entry_time(sbi, &dir_entry->atime,
> + ep->dentry.file.access_time,
> + ep->dentry.file.access_date,
> + ep->dentry.file.access_tz);
> +
> + *uni_name.name = 0x0;
> + exfat_get_uniname_from_ext_entry(sb, &dir, dentry,
> + uni_name.name);
> + exfat_utf16_to_nls(sb, &uni_name,
> + dir_entry->namebuf.lfn,
> + dir_entry->namebuf.lfnbuf_len);
> + brelse(bh);
> +
> + ep = exfat_get_dentry(sb, &clu, i + 1, &bh, NULL);
> + if (!ep)
> + return -EIO;
> + dir_entry->size =
> + le64_to_cpu(ep->dentry.stream.valid_size);
> + brelse(bh);
> +
> + ei->hint_bmap.off = dentry >> dentries_per_clu_bits;
> + ei->hint_bmap.clu = clu.dir;
> +
> + ei->rwoffset = ++dentry;
> + return 0;
> + }
> +
--
Pali Rohár
pali.rohar@gmail.com
next prev parent reply other threads:[~2020-01-17 11:13 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
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 [this message]
[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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