* [PATCH] mkfs/fsck: add host-managed smr feature
@ 2016-06-14 18:45 Jaegeuk Kim
2016-06-15 16:46 ` [PATCH v2] " Jaegeuk Kim
0 siblings, 1 reply; 2+ messages in thread
From: Jaegeuk Kim @ 2016-06-14 18:45 UTC (permalink / raw)
To: linux-f2fs-devel; +Cc: Jaegeuk Kim
This feature flag will be used by f2fs to detect HMSMR device.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---
fsck/mount.c | 3 +++
include/f2fs_fs.h | 1 +
mkfs/f2fs_format_main.c | 2 ++
3 files changed, 6 insertions(+)
diff --git a/fsck/mount.c b/fsck/mount.c
index 9d08118..e0223e0 100644
--- a/fsck/mount.c
+++ b/fsck/mount.c
@@ -267,6 +267,9 @@ void print_sb_state(struct f2fs_super_block *sb)
if (f & cpu_to_le32(F2FS_FEATURE_ENCRYPT)) {
MSG(0, "%s", " encrypt");
}
+ if (f & cpu_to_le32(F2FS_FEATURE_HMSMR)) {
+ MSG(0, "%s", " host-managed SMR");
+ }
MSG(0, "\n");
MSG(0, "Info: superblock encrypt level = %d, salt = ",
sb->encryption_level);
diff --git a/include/f2fs_fs.h b/include/f2fs_fs.h
index 1045ede..1345e2d 100644
--- a/include/f2fs_fs.h
+++ b/include/f2fs_fs.h
@@ -457,6 +457,7 @@ enum {
#define MAX_ACTIVE_DATA_LOGS 8
#define F2FS_FEATURE_ENCRYPT 0x0001
+#define F2FS_FEATURE_HMSMR 0x0002
#define MAX_VOLUME_NAME 512
diff --git a/mkfs/f2fs_format_main.c b/mkfs/f2fs_format_main.c
index 8bd938c..f69d03f 100644
--- a/mkfs/f2fs_format_main.c
+++ b/mkfs/f2fs_format_main.c
@@ -64,6 +64,8 @@ static void parse_feature(char *features)
{
if (!strcmp(features, "encrypt")) {
config.feature |= cpu_to_le32(F2FS_FEATURE_ENCRYPT);
+ } else if (config.smr_mode) {
+ config.feature |= cpu_to_le32(F2FS_FEATURE_HMSMR);
} else {
MSG(0, "Error: Wrong features\n");
mkfs_usage();
--
2.8.3
------------------------------------------------------------------------------
What NetFlow Analyzer can do for you? Monitors network bandwidth and traffic
patterns at an interface-level. Reveals which users, apps, and protocols are
consuming the most bandwidth. Provides multi-vendor support for NetFlow,
J-Flow, sFlow and other flows. Make informed decisions using capacity planning
reports. http://pubads.g.doubleclick.net/gampad/clk?id=1444514421&iu=/41014381
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH v2] mkfs/fsck: add host-managed smr feature
2016-06-14 18:45 [PATCH] mkfs/fsck: add host-managed smr feature Jaegeuk Kim
@ 2016-06-15 16:46 ` Jaegeuk Kim
0 siblings, 0 replies; 2+ messages in thread
From: Jaegeuk Kim @ 2016-06-15 16:46 UTC (permalink / raw)
To: linux-f2fs-devel
Change log from v1:
- Fix wrong feature set.
>From 70a8fc3df7b72730fd2d40394892688292e8f78e Mon Sep 17 00:00:00 2001
From: Jaegeuk Kim <jaegeuk@kernel.org>
Date: Mon, 13 Jun 2016 09:36:38 -0700
Subject: [PATCH] mkfs/fsck: add host-managed smr feature
This feature flag will be used by f2fs to detect HMSMR device.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---
fsck/mount.c | 3 +++
include/f2fs_fs.h | 1 +
mkfs/f2fs_format_main.c | 3 +++
3 files changed, 7 insertions(+)
diff --git a/fsck/mount.c b/fsck/mount.c
index 9d08118..e0223e0 100644
--- a/fsck/mount.c
+++ b/fsck/mount.c
@@ -267,6 +267,9 @@ void print_sb_state(struct f2fs_super_block *sb)
if (f & cpu_to_le32(F2FS_FEATURE_ENCRYPT)) {
MSG(0, "%s", " encrypt");
}
+ if (f & cpu_to_le32(F2FS_FEATURE_HMSMR)) {
+ MSG(0, "%s", " host-managed SMR");
+ }
MSG(0, "\n");
MSG(0, "Info: superblock encrypt level = %d, salt = ",
sb->encryption_level);
diff --git a/include/f2fs_fs.h b/include/f2fs_fs.h
index 1045ede..1345e2d 100644
--- a/include/f2fs_fs.h
+++ b/include/f2fs_fs.h
@@ -457,6 +457,7 @@ enum {
#define MAX_ACTIVE_DATA_LOGS 8
#define F2FS_FEATURE_ENCRYPT 0x0001
+#define F2FS_FEATURE_HMSMR 0x0002
#define MAX_VOLUME_NAME 512
diff --git a/mkfs/f2fs_format_main.c b/mkfs/f2fs_format_main.c
index 8bd938c..3741843 100644
--- a/mkfs/f2fs_format_main.c
+++ b/mkfs/f2fs_format_main.c
@@ -130,6 +130,9 @@ static void f2fs_parse_options(int argc, char *argv[])
if ((optind + 1) < argc)
config.total_sectors = atoll(argv[optind+1]);
+
+ if (config.smr_mode)
+ config.feature |= cpu_to_le32(F2FS_FEATURE_HMSMR);
}
int main(int argc, char *argv[])
--
2.8.3
------------------------------------------------------------------------------
What NetFlow Analyzer can do for you? Monitors network bandwidth and traffic
patterns at an interface-level. Reveals which users, apps, and protocols are
consuming the most bandwidth. Provides multi-vendor support for NetFlow,
J-Flow, sFlow and other flows. Make informed decisions using capacity planning
reports. http://pubads.g.doubleclick.net/gampad/clk?id=1444514421&iu=/41014381
^ permalink raw reply related [flat|nested] 2+ messages in thread
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