From: Liu Bo <bo.li.liu@oracle.com>
To: linux-btrfs@vger.kernel.org
Subject: [PATCH 04/14] Btrfs: raid56: add verbose debug
Date: Tue, 1 Aug 2017 10:14:27 -0600 [thread overview]
Message-ID: <20170801161439.13426-5-bo.li.liu@oracle.com> (raw)
In-Reply-To: <20170801161439.13426-1-bo.li.liu@oracle.com>
Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
---
fs/btrfs/raid56.c | 2 ++
fs/btrfs/volumes.c | 7 ++++++-
fs/btrfs/volumes.h | 4 ++++
3 files changed, 12 insertions(+), 1 deletion(-)
diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c
index 2b91b95..c75766f 100644
--- a/fs/btrfs/raid56.c
+++ b/fs/btrfs/raid56.c
@@ -2753,7 +2753,9 @@ int btrfs_set_r5log(struct btrfs_fs_info *fs_info, struct btrfs_device *device)
cmpxchg(&fs_info->r5log, NULL, log);
ASSERT(fs_info->r5log == log);
+#ifdef BTRFS_DEBUG_R5LOG
trace_printk("r5log: set a r5log in fs_info, alloc_range 0x%llx 0x%llx",
log->data_offset, log->data_offset + log->device_size);
+#endif
return 0;
}
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index a17a488..ac64d93 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -4731,8 +4731,13 @@ static int __btrfs_alloc_chunk(struct btrfs_trans_handle *trans,
if (!device->in_fs_metadata ||
device->is_tgtdev_for_dev_replace ||
- (device->type & BTRFS_DEV_RAID56_LOG))
+ (device->type & BTRFS_DEV_RAID56_LOG)) {
+#ifdef BTRFS_DEBUG_R5LOG
+ if (device->type & BTRFS_DEV_RAID56_LOG)
+ btrfs_info(info, "skip a r5log when alloc chunk\n");
+#endif
continue;
+ }
if (device->total_bytes > device->bytes_used)
total_avail = device->total_bytes - device->bytes_used;
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index 60e347a..44cc3fa 100644
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -26,6 +26,10 @@
extern struct mutex uuid_mutex;
+#ifdef CONFIG_BTRFS_DEBUG
+#define BTRFS_DEBUG_R5LOG
+#endif
+
#define BTRFS_STRIPE_LEN SZ_64K
struct buffer_head;
--
2.9.4
next prev parent reply other threads:[~2017-08-01 17:15 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-01 16:14 [PATCH 00/14 RFC] Btrfs: Add journal for raid5/6 writes Liu Bo
2017-08-01 16:14 ` [PATCH 01/14] Btrfs: raid56: add raid56 log via add_dev v2 ioctl Liu Bo
2017-08-02 19:25 ` Nikolay Borisov
2017-08-01 16:14 ` [PATCH 02/14] Btrfs: raid56: do not allocate chunk on raid56 log Liu Bo
2017-08-01 16:14 ` [PATCH 03/14] Btrfs: raid56: detect raid56 log on mount Liu Bo
2017-08-01 16:14 ` Liu Bo [this message]
2017-08-01 16:14 ` [PATCH 05/14] Btrfs: raid56: add stripe log for raid5/6 Liu Bo
2017-08-01 16:14 ` [PATCH 06/14] Btrfs: raid56: add reclaim support Liu Bo
2017-08-01 16:14 ` [PATCH 07/14] Btrfs: raid56: load r5log Liu Bo
2017-08-01 16:14 ` [PATCH 08/14] Btrfs: raid56: log recovery Liu Bo
2017-08-01 16:14 ` [PATCH 09/14] Btrfs: raid56: add readahead for recovery Liu Bo
2017-08-01 16:14 ` [PATCH 10/14] Btrfs: raid56: use the readahead helper to get page Liu Bo
2017-08-01 16:14 ` [PATCH 11/14] Btrfs: raid56: add csum support Liu Bo
2017-08-01 16:14 ` [PATCH 12/14] Btrfs: raid56: fix error handling while adding a log device Liu Bo
2017-08-01 16:14 ` [PATCH 13/14] Btrfs: raid56: initialize raid5/6 log after adding it Liu Bo
2017-08-01 16:14 ` [PATCH 14/14] Btrfs: raid56: maintain IO order on raid5/6 log Liu Bo
2017-08-01 16:14 ` [PATCH 1/2] Btrfs-progs: add option to add raid5/6 log device Liu Bo
2017-08-01 16:14 ` [PATCH 2/2] Btrfs-progs: introduce super_journal_tail to inspect-dump-super Liu Bo
2017-08-01 17:25 ` [PATCH 00/14 RFC] Btrfs: Add journal for raid5/6 writes Roman Mamedov
2017-08-01 17:03 ` Liu Bo
2017-08-01 17:39 ` Austin S. Hemmelgarn
2017-08-01 17:07 ` Liu Bo
2017-08-02 18:47 ` Chris Mason
2018-05-03 19:16 ` Goffredo Baroncelli
2017-08-01 17:28 ` Hugo Mills
2017-08-01 16:56 ` Liu Bo
2017-08-01 18:15 ` Hugo Mills
2017-08-01 17:42 ` Goffredo Baroncelli
2017-08-01 17:24 ` Liu Bo
2017-08-01 22:14 ` Goffredo Baroncelli
2017-08-02 17:57 ` Liu Bo
2017-08-02 20:41 ` Goffredo Baroncelli
2017-08-02 20:27 ` Liu Bo
2017-08-03 4:02 ` Duncan
2017-08-03 4:40 ` Goffredo Baroncelli
2017-08-23 15:28 ` Chris Murphy
2017-08-23 15:47 ` Austin S. Hemmelgarn
2017-08-25 13:53 ` Goffredo Baroncelli
2017-08-01 21:00 ` Christoph Anton Mitterer
2017-08-01 22:24 ` Goffredo Baroncelli
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