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| author | Paul Keith <javelinanddart@gmail.com> | 2018-03-02 05:10:27 +0100 |
|---|---|---|
| committer | Moyster <oysterized@gmail.com> | 2018-12-02 01:34:25 +0100 |
| commit | 8894b63d8bb372ccb9bbda9c6d8e69c6d4183149 (patch) | |
| tree | 5d5580f9dd90117ceb60708d89b0bbf376af488b /fs/sdfat | |
| parent | 796e4cc1081eea0d3ca72d91b48a7e27a4cfb07d (diff) | |
fs: sdfat: Add config option to register sdFAT for VFAT
Change-Id: I72ba7a14b56175535884390e8601960b5d8ed1cf
Signed-off-by: Paul Keith <javelinanddart@gmail.com>
Diffstat (limited to 'fs/sdfat')
| -rw-r--r-- | fs/sdfat/Kconfig | 7 | ||||
| -rw-r--r-- | fs/sdfat/sdfat.c | 45 |
2 files changed, 52 insertions, 0 deletions
diff --git a/fs/sdfat/Kconfig b/fs/sdfat/Kconfig index 90265a198..bcaa7a1a3 100644 --- a/fs/sdfat/Kconfig +++ b/fs/sdfat/Kconfig @@ -22,6 +22,13 @@ config SDFAT_USE_FOR_EXFAT help If you want to register sdFAT as available for exFAT, say Y. +config SDFAT_USE_FOR_VFAT + bool "Register sdFAT as VFAT" + default y + depends on SDFAT_FS && !VFAT_FS + help + If you want to register sdFAT as available for VFAT, say Y. + config SDFAT_DELAYED_META_DIRTY bool "Enable delayed metadata dirty" default y diff --git a/fs/sdfat/sdfat.c b/fs/sdfat/sdfat.c index 0829f4d83..9534725e5 100644 --- a/fs/sdfat/sdfat.c +++ b/fs/sdfat/sdfat.c @@ -4459,6 +4459,12 @@ enum { Opt_discard, Opt_fs, Opt_adj_req, +#ifdef CONFIG_SDFAT_USE_FOR_VFAT + Opt_shortname_lower, + Opt_shortname_win95, + Opt_shortname_winnt, + Opt_shortname_mixed, +#endif /* CONFIG_SDFAT_USE_FOR_VFAT */ }; static const match_table_t sdfat_tokens = { @@ -4487,6 +4493,12 @@ static const match_table_t sdfat_tokens = { {Opt_discard, "discard"}, {Opt_fs, "fs=%s"}, {Opt_adj_req, "adj_req"}, +#ifdef CONFIG_SDFAT_USE_FOR_VFAT + {Opt_shortname_lower, "shortname=lower"}, + {Opt_shortname_win95, "shortname=win95"}, + {Opt_shortname_winnt, "shortname=winnt"}, + {Opt_shortname_mixed, "shortname=mixed"}, +#endif /* CONFIG_SDFAT_USE_FOR_VFAT */ {Opt_err, NULL} }; @@ -4653,6 +4665,14 @@ static int parse_options(struct super_block *sb, char *options, int silent, IMSG("adjust request config is not enabled. ignore\n"); #endif break; +#ifdef CONFIG_SDFAT_USE_FOR_VFAT + case Opt_shortname_lower: + case Opt_shortname_win95: + case Opt_shortname_mixed: + pr_warn("[SDFAT] DRAGONS AHEAD! sdFAT only understands \"shortname=winnt\"!\n"); + case Opt_shortname_winnt: + break; +#endif /* CONFIG_SDFAT_USE_FOR_VFAT */ default: if (!silent) { sdfat_msg(sb, KERN_ERR, @@ -4992,6 +5012,20 @@ static struct file_system_type exfat_fs_type = { }; #endif /* CONFIG_SDFAT_USE_FOR_EXFAT */ +#ifdef CONFIG_SDFAT_USE_FOR_VFAT +static struct file_system_type vfat_fs_type = { + .owner = THIS_MODULE, + .name = "vfat", + .mount = sdfat_fs_mount, +#ifdef CONFIG_SDFAT_DBG_IOCTL + .kill_sb = sdfat_debug_kill_sb, +#else + .kill_sb = kill_block_super, +#endif /* CONFIG_SDFAT_DBG_IOCTL */ + .fs_flags = FS_REQUIRES_DEV, +}; +#endif /* CONFIG_SDFAT_USE_FOR_VFAT */ + static int __init init_sdfat_fs(void) { int err; @@ -5038,6 +5072,14 @@ static int __init init_sdfat_fs(void) } #endif /* CONFIG_SDFAT_USE_FOR_EXFAT */ +#ifdef CONFIG_SDFAT_USE_FOR_VFAT + err = register_filesystem(&vfat_fs_type); + if (err) { + pr_err("[SDFAT] failed to register for vfat filesystem\n"); + goto error; + } +#endif /* CONFIG_SDFAT_USE_FOR_VFAT */ + return 0; error: sdfat_statistics_uninit(); @@ -5070,6 +5112,9 @@ static void __exit exit_sdfat_fs(void) #ifdef CONFIG_SDFAT_USE_FOR_EXFAT unregister_filesystem(&exfat_fs_type); #endif /* CONFIG_SDFAT_USE_FOR_EXFAT */ +#ifdef CONFIG_SDFAT_USE_FOR_VFAT + unregister_filesystem(&vfat_fs_type); +#endif /* CONFIG_SDFAT_USE_FOR_VFAT */ fsapi_shutdown(); } |