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btrfs: zoned: encapsulate inode locking for zoned relocation

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Encapsulate the inode lock needed for serializing the data relocation
writes on a zoned filesystem into a helper.

This streamlines the code reading flow and hides special casing for
zoned filesystems.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Johannes Thumshirn
2021-12-07 06:28:34 -08:00
committed by David Sterba
parent a26d60dedf
commit 869f4cdc73
2 changed files with 19 additions and 6 deletions
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17
fs/btrfs/zoned.h
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@ -8,6 +8,7 @@
#include "volumes.h"
#include "disk-io.h"
#include "block-group.h"
#include "btrfs_inode.h"
/*
* Block groups with more than this value (percents) of unusable space will be
@ -354,4 +355,20 @@ static inline void btrfs_clear_treelog_bg(struct btrfs_block_group *bg)
spin_unlock(&fs_info->treelog_bg_lock);
}
static inline void btrfs_zoned_data_reloc_lock(struct btrfs_inode *inode)
{
struct btrfs_root *root = inode->root;
if (btrfs_is_data_reloc_root(root) && btrfs_is_zoned(root->fs_info))
btrfs_inode_lock(&inode->vfs_inode, 0);
}
static inline void btrfs_zoned_data_reloc_unlock(struct btrfs_inode *inode)
{
struct btrfs_root *root = inode->root;
if (btrfs_is_data_reloc_root(root) && btrfs_is_zoned(root->fs_info))
btrfs_inode_unlock(&inode->vfs_inode, 0);
}
#endif