This is a note to let you know that I've just added the patch titled
btrfs: zoned: introduce btrfs_zoned_bg_is_full
to the 5.18-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
btrfs-zoned-introduce-btrfs_zoned_bg_is_full.patch
and it can be found in the queue-5.18 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 3672acc7c01efcf0c957c7949f4ff6dcaffde3f1
Author: Naohiro Aota <naohiro.aota@xxxxxxx>
Date: Tue May 3 17:48:50 2022 -0700
btrfs: zoned: introduce btrfs_zoned_bg_is_full
[ Upstream commit 1bfd476754a2d63f899ef9c3e253b17766b8fb73 ]
Introduce a wrapper to check if all the space in a block group is
allocated or not.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@xxxxxxx>
Signed-off-by: Naohiro Aota <naohiro.aota@xxxxxxx>
Reviewed-by: David Sterba <dsterba@xxxxxxxx>
Signed-off-by: David Sterba <dsterba@xxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index bdebd77f31b4..56185541e188 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -3803,8 +3803,7 @@ static int do_allocation_zoned(struct btrfs_block_group *block_group,
/* Check RO and no space case before trying to activate it */
spin_lock(&block_group->lock);
- if (block_group->ro ||
- block_group->alloc_offset == block_group->zone_capacity) {
+ if (block_group->ro || btrfs_zoned_bg_is_full(block_group)) {
ret = 1;
/*
* May need to clear fs_info->{treelog,data_reloc}_bg.
diff --git a/fs/btrfs/zoned.c b/fs/btrfs/zoned.c
index 0a6a3d6f5af7..170681797283 100644
--- a/fs/btrfs/zoned.c
+++ b/fs/btrfs/zoned.c
@@ -1859,7 +1859,7 @@ bool btrfs_zone_activate(struct btrfs_block_group *block_group)
}
/* No space left */
- if (block_group->alloc_offset == block_group->zone_capacity) {
+ if (btrfs_zoned_bg_is_full(block_group)) {
ret = false;
goto out_unlock;
}
diff --git a/fs/btrfs/zoned.h b/fs/btrfs/zoned.h
index 199b69670fa2..0740458894ac 100644
--- a/fs/btrfs/zoned.h
+++ b/fs/btrfs/zoned.h
@@ -384,4 +384,10 @@ static inline void btrfs_zoned_data_reloc_unlock(struct btrfs_inode *inode)
mutex_unlock(&root->fs_info->zoned_data_reloc_io_lock);
}
+static inline bool btrfs_zoned_bg_is_full(const struct btrfs_block_group *bg)
+{
+ ASSERT(btrfs_is_zoned(bg->fs_info));
+ return (bg->alloc_offset == bg->zone_capacity);
+}
+
#endif
