linux-ext4 - [PATCH 3/4] ext3: Support for vfsv1 quota format

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Date:	Wed,  2 Dec 2009 21:52:10 +0100
From:	Jan Kara <jack@...e.cz>
To:	linux-fsdevel@...r.kernel.org
Cc:	Jan Kara <jack@...e.cz>, linux-ext4@...r.kernel.org
Subject: [PATCH 3/4] ext3: Support for vfsv1 quota format

We just have to add proper mount options handling. The rest is handled by
the generic quota code.

CC: linux-ext4@...r.kernel.org
Signed-off-by: Jan Kara <jack@...e.cz>
---
 fs/ext3/super.c |   30 ++++++++++++++++++++++++------
 1 files changed, 24 insertions(+), 6 deletions(-)

diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 427496c..41438ab 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -527,9 +527,22 @@ static inline void ext3_show_quota_options(struct seq_file *seq, struct super_bl
 #if defined(CONFIG_QUOTA)
 	struct ext3_sb_info *sbi = EXT3_SB(sb);
 
-	if (sbi->s_jquota_fmt)
-		seq_printf(seq, ",jqfmt=%s",
-		(sbi->s_jquota_fmt == QFMT_VFS_OLD) ? "vfsold": "vfsv0");
+	if (sbi->s_jquota_fmt) {
+		char *fmtname = "";
+
+		switch (sbi->s_jquota_fmt) {
+		case QFMT_VFS_OLD:
+			fmtname = "vfsold";
+			break;
+		case QFMT_VFS_V0:
+			fmtname = "vfsv0";
+			break;
+		case QFMT_VFS_V1:
+			fmtname = "vfsv1";
+			break;
+		}
+		seq_printf(seq, ",jqfmt=%s", fmtname);
+	}
 
 	if (sbi->s_qf_names[USRQUOTA])
 		seq_printf(seq, ",usrjquota=%s", sbi->s_qf_names[USRQUOTA]);
@@ -787,9 +800,9 @@ enum {
 	Opt_abort, Opt_data_journal, Opt_data_ordered, Opt_data_writeback,
 	Opt_data_err_abort, Opt_data_err_ignore,
 	Opt_usrjquota, Opt_grpjquota, Opt_offusrjquota, Opt_offgrpjquota,
-	Opt_jqfmt_vfsold, Opt_jqfmt_vfsv0, Opt_quota, Opt_noquota,
-	Opt_ignore, Opt_barrier, Opt_err, Opt_resize, Opt_usrquota,
-	Opt_grpquota
+	Opt_jqfmt_vfsold, Opt_jqfmt_vfsv0, Opt_jqfmt_vfsv1, Opt_quota,
+	Opt_noquota, Opt_ignore, Opt_barrier, Opt_err, Opt_resize,
+	Opt_usrquota, Opt_grpquota
 };
 
 static const match_table_t tokens = {
@@ -836,6 +849,7 @@ static const match_table_t tokens = {
 	{Opt_grpjquota, "grpjquota=%s"},
 	{Opt_jqfmt_vfsold, "jqfmt=vfsold"},
 	{Opt_jqfmt_vfsv0, "jqfmt=vfsv0"},
+	{Opt_jqfmt_vfsv1, "jqfmt=vfsv1"},
 	{Opt_grpquota, "grpquota"},
 	{Opt_noquota, "noquota"},
 	{Opt_quota, "quota"},
@@ -1121,6 +1135,9 @@ clear_qf_name:
 			goto set_qf_format;
 		case Opt_jqfmt_vfsv0:
 			qfmt = QFMT_VFS_V0;
+			goto set_qf_format;
+		case Opt_jqfmt_vfsv1:
+			qfmt = QFMT_VFS_V1;
 set_qf_format:
 			if (sb_any_quota_loaded(sb) &&
 			    sbi->s_jquota_fmt != qfmt) {
@@ -1163,6 +1180,7 @@ set_qf_format:
 		case Opt_offgrpjquota:
 		case Opt_jqfmt_vfsold:
 		case Opt_jqfmt_vfsv0:
+		case Opt_jqfmt_vfsv1:
 			printk(KERN_ERR
 				"EXT3-fs: journaled quota options not "
 				"supported.\n");
-- 
1.6.4.2

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