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From: Chao Yu <yuchao0@huawei.com>
To: <jaegeuk@kernel.org>
Cc: <linux-f2fs-devel@lists.sourceforge.net>,
	<linux-kernel@vger.kernel.org>, <chao@kernel.org>,
	Chao Yu <yuchao0@huawei.com>
Subject: [PATCH RESEND v2 5/5] f2fs: introduce sb_status sysfs node
Date: Wed, 9 Dec 2020 16:43:28 +0800	[thread overview]
Message-ID: <20201209084328.30416-5-yuchao0@huawei.com> (raw)
In-Reply-To: <20201209084328.30416-1-yuchao0@huawei.com>

Introduce /sys/fs/f2fs/<devname>/stat/sb_status to show superblock
status in real time as below:

IS_DIRTY:		no
IS_CLOSE:		no
IS_SHUTDOWN:		no
IS_RECOVERED:		no
IS_RESIZEFS:		no
NEED_FSCK:		no
POR_DOING:		no
NEED_SB_WRITE:		no
NEED_CP:		no
CP_DISABLED:		no
CP_DISABLED_QUICK:	no
QUOTA_NEED_FLUSH:	no
QUOTA_SKIP_FLUSH:	no
QUOTA_NEED_REPAIR:	no

Signed-off-by: Chao Yu <yuchao0@huawei.com>
---
 Documentation/ABI/testing/sysfs-fs-f2fs |  5 ++++
 fs/f2fs/sysfs.c                         | 36 +++++++++++++++++++++++++
 2 files changed, 41 insertions(+)

diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs
index 3dfee94e0618..57ab839dc3a2 100644
--- a/Documentation/ABI/testing/sysfs-fs-f2fs
+++ b/Documentation/ABI/testing/sysfs-fs-f2fs
@@ -377,3 +377,8 @@ Description:	This gives a control to limit the bio size in f2fs.
 		Default is zero, which will follow underlying block layer limit,
 		whereas, if it has a certain bytes value, f2fs won't submit a
 		bio larger than that size.
+
+What:		/sys/fs/f2fs/<disk>/stat/sb_status
+Date:		December 2020
+Contact:	"Chao Yu" <yuchao0@huawei.com>
+Description:	Show status of f2fs superblock in real time.
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index ebca0b4961e8..1b85e6d16a94 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -101,6 +101,40 @@ static ssize_t lifetime_write_kbytes_show(struct f2fs_attr *a,
 				sbi->sectors_written_start) >> 1)));
 }
 
+#define	SB_STATUS(s)	(s ? "yes" : "no")
+static ssize_t sb_status_show(struct f2fs_attr *a,
+		struct f2fs_sb_info *sbi, char *buf)
+{
+	return sprintf(buf, "IS_DIRTY:		%s\n"
+				"IS_CLOSE:		%s\n"
+				"IS_SHUTDOWN:		%s\n"
+				"IS_RECOVERED:		%s\n"
+				"IS_RESIZEFS:		%s\n"
+				"NEED_FSCK:		%s\n"
+				"POR_DOING:		%s\n"
+				"NEED_SB_WRITE:		%s\n"
+				"NEED_CP:		%s\n"
+				"CP_DISABLED:		%s\n"
+				"CP_DISABLED_QUICK:	%s\n"
+				"QUOTA_NEED_FLUSH:	%s\n"
+				"QUOTA_SKIP_FLUSH:	%s\n"
+				"QUOTA_NEED_REPAIR:	%s\n",
+			SB_STATUS(is_sbi_flag_set(sbi, SBI_IS_DIRTY)),
+			SB_STATUS(is_sbi_flag_set(sbi, SBI_IS_CLOSE)),
+			SB_STATUS(is_sbi_flag_set(sbi, SBI_IS_SHUTDOWN)),
+			SB_STATUS(is_sbi_flag_set(sbi, SBI_IS_RECOVERED)),
+			SB_STATUS(is_sbi_flag_set(sbi, SBI_IS_RESIZEFS)),
+			SB_STATUS(is_sbi_flag_set(sbi, SBI_NEED_FSCK)),
+			SB_STATUS(is_sbi_flag_set(sbi, SBI_POR_DOING)),
+			SB_STATUS(is_sbi_flag_set(sbi, SBI_NEED_SB_WRITE)),
+			SB_STATUS(is_sbi_flag_set(sbi, SBI_NEED_CP)),
+			SB_STATUS(is_sbi_flag_set(sbi, SBI_CP_DISABLED)),
+			SB_STATUS(is_sbi_flag_set(sbi, SBI_CP_DISABLED_QUICK)),
+			SB_STATUS(is_sbi_flag_set(sbi, SBI_QUOTA_NEED_FLUSH)),
+			SB_STATUS(is_sbi_flag_set(sbi, SBI_QUOTA_SKIP_FLUSH)),
+			SB_STATUS(is_sbi_flag_set(sbi, SBI_QUOTA_NEED_REPAIR)));
+}
+
 static ssize_t features_show(struct f2fs_attr *a,
 		struct f2fs_sb_info *sbi, char *buf)
 {
@@ -711,7 +745,9 @@ static struct attribute *f2fs_feat_attrs[] = {
 };
 ATTRIBUTE_GROUPS(f2fs_feat);
 
+F2FS_GENERAL_RO_ATTR(sb_status);
 static struct attribute *f2fs_stat_attrs[] = {
+	ATTR_LIST(sb_status),
 	NULL,
 };
 ATTRIBUTE_GROUPS(f2fs_stat);
-- 
2.29.2


WARNING: multiple messages have this Message-ID (diff)
From: Chao Yu <yuchao0@huawei.com>
To: <jaegeuk@kernel.org>
Cc: linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net
Subject: [f2fs-dev] [PATCH RESEND v2 5/5] f2fs: introduce sb_status sysfs node
Date: Wed, 9 Dec 2020 16:43:28 +0800	[thread overview]
Message-ID: <20201209084328.30416-5-yuchao0@huawei.com> (raw)
In-Reply-To: <20201209084328.30416-1-yuchao0@huawei.com>

Introduce /sys/fs/f2fs/<devname>/stat/sb_status to show superblock
status in real time as below:

IS_DIRTY:		no
IS_CLOSE:		no
IS_SHUTDOWN:		no
IS_RECOVERED:		no
IS_RESIZEFS:		no
NEED_FSCK:		no
POR_DOING:		no
NEED_SB_WRITE:		no
NEED_CP:		no
CP_DISABLED:		no
CP_DISABLED_QUICK:	no
QUOTA_NEED_FLUSH:	no
QUOTA_SKIP_FLUSH:	no
QUOTA_NEED_REPAIR:	no

Signed-off-by: Chao Yu <yuchao0@huawei.com>
---
 Documentation/ABI/testing/sysfs-fs-f2fs |  5 ++++
 fs/f2fs/sysfs.c                         | 36 +++++++++++++++++++++++++
 2 files changed, 41 insertions(+)

diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs
index 3dfee94e0618..57ab839dc3a2 100644
--- a/Documentation/ABI/testing/sysfs-fs-f2fs
+++ b/Documentation/ABI/testing/sysfs-fs-f2fs
@@ -377,3 +377,8 @@ Description:	This gives a control to limit the bio size in f2fs.
 		Default is zero, which will follow underlying block layer limit,
 		whereas, if it has a certain bytes value, f2fs won't submit a
 		bio larger than that size.
+
+What:		/sys/fs/f2fs/<disk>/stat/sb_status
+Date:		December 2020
+Contact:	"Chao Yu" <yuchao0@huawei.com>
+Description:	Show status of f2fs superblock in real time.
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index ebca0b4961e8..1b85e6d16a94 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -101,6 +101,40 @@ static ssize_t lifetime_write_kbytes_show(struct f2fs_attr *a,
 				sbi->sectors_written_start) >> 1)));
 }
 
+#define	SB_STATUS(s)	(s ? "yes" : "no")
+static ssize_t sb_status_show(struct f2fs_attr *a,
+		struct f2fs_sb_info *sbi, char *buf)
+{
+	return sprintf(buf, "IS_DIRTY:		%s\n"
+				"IS_CLOSE:		%s\n"
+				"IS_SHUTDOWN:		%s\n"
+				"IS_RECOVERED:		%s\n"
+				"IS_RESIZEFS:		%s\n"
+				"NEED_FSCK:		%s\n"
+				"POR_DOING:		%s\n"
+				"NEED_SB_WRITE:		%s\n"
+				"NEED_CP:		%s\n"
+				"CP_DISABLED:		%s\n"
+				"CP_DISABLED_QUICK:	%s\n"
+				"QUOTA_NEED_FLUSH:	%s\n"
+				"QUOTA_SKIP_FLUSH:	%s\n"
+				"QUOTA_NEED_REPAIR:	%s\n",
+			SB_STATUS(is_sbi_flag_set(sbi, SBI_IS_DIRTY)),
+			SB_STATUS(is_sbi_flag_set(sbi, SBI_IS_CLOSE)),
+			SB_STATUS(is_sbi_flag_set(sbi, SBI_IS_SHUTDOWN)),
+			SB_STATUS(is_sbi_flag_set(sbi, SBI_IS_RECOVERED)),
+			SB_STATUS(is_sbi_flag_set(sbi, SBI_IS_RESIZEFS)),
+			SB_STATUS(is_sbi_flag_set(sbi, SBI_NEED_FSCK)),
+			SB_STATUS(is_sbi_flag_set(sbi, SBI_POR_DOING)),
+			SB_STATUS(is_sbi_flag_set(sbi, SBI_NEED_SB_WRITE)),
+			SB_STATUS(is_sbi_flag_set(sbi, SBI_NEED_CP)),
+			SB_STATUS(is_sbi_flag_set(sbi, SBI_CP_DISABLED)),
+			SB_STATUS(is_sbi_flag_set(sbi, SBI_CP_DISABLED_QUICK)),
+			SB_STATUS(is_sbi_flag_set(sbi, SBI_QUOTA_NEED_FLUSH)),
+			SB_STATUS(is_sbi_flag_set(sbi, SBI_QUOTA_SKIP_FLUSH)),
+			SB_STATUS(is_sbi_flag_set(sbi, SBI_QUOTA_NEED_REPAIR)));
+}
+
 static ssize_t features_show(struct f2fs_attr *a,
 		struct f2fs_sb_info *sbi, char *buf)
 {
@@ -711,7 +745,9 @@ static struct attribute *f2fs_feat_attrs[] = {
 };
 ATTRIBUTE_GROUPS(f2fs_feat);
 
+F2FS_GENERAL_RO_ATTR(sb_status);
 static struct attribute *f2fs_stat_attrs[] = {
+	ATTR_LIST(sb_status),
 	NULL,
 };
 ATTRIBUTE_GROUPS(f2fs_stat);
-- 
2.29.2



_______________________________________________
Linux-f2fs-devel mailing list
Linux-f2fs-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel

  parent reply	other threads:[~2020-12-09  8:45 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-09  8:43 [PATCH RESEND v2 1/5] f2fs: compress: add compress_inode to cache compressed blocks Chao Yu
2020-12-09  8:43 ` [f2fs-dev] " Chao Yu
2020-12-09  8:43 ` [PATCH RESEND v2 2/5] f2fs: compress: support compress level Chao Yu
2020-12-09  8:43   ` [f2fs-dev] " Chao Yu
2020-12-09  8:43 ` [PATCH RESEND v2 3/5] f2fs: compress: deny setting unsupported compress algorithm Chao Yu
2020-12-09  8:43   ` [f2fs-dev] " Chao Yu
2020-12-09  8:43 ` [PATCH RESEND v2 4/5] f2fs: introduce a new per-sb directory in sysfs Chao Yu
2020-12-09  8:43   ` [f2fs-dev] " Chao Yu
2020-12-09  8:43 ` Chao Yu [this message]
2020-12-09  8:43   ` [f2fs-dev] [PATCH RESEND v2 5/5] f2fs: introduce sb_status sysfs node Chao Yu
2020-12-09 16:04   ` Jaegeuk Kim
2020-12-09 16:04     ` [f2fs-dev] " Jaegeuk Kim
2020-12-10  1:40     ` Chao Yu
2020-12-10  1:40       ` [f2fs-dev] " Chao Yu
2020-12-10  1:56 ` [PATCH RESEND v2 1/5] f2fs: compress: add compress_inode to cache compressed blocks Chao Yu
2020-12-10  1:56   ` [f2fs-dev] " Chao Yu
2020-12-10  2:15   ` Jaegeuk Kim
2020-12-10  2:15     ` [f2fs-dev] " Jaegeuk Kim
2021-01-06 20:22     ` Jaegeuk Kim
2021-01-06 20:22       ` Jaegeuk Kim
2021-01-07 11:48       ` Chao Yu
2021-01-07 11:48         ` Chao Yu

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