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btrfs: make btrfs_error_unpin_extent_range() return void

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This helper is used in transaction abort or cleanup context and the
callers cannot handle all errors, only do best effort.

btrfs_cleanup_one_transaction
  btrfs_destroy_delayed_refs
    btrfs_error_unpin_extent_range
  btrfs_destroy_pinned_extent
    btrfs_error_unpin_extent_range

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba
2024-01-12 19:06:16 +01:00
parent 44a6c3437a
commit 91701bdfa2
2 changed files with 7 additions and 9 deletions
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3
fs/btrfs/ctree.h
View File

@@ -478,8 +478,7 @@ static inline gfp_t btrfs_alloc_write_mask(struct address_space *mapping)
return mapping_gfp_constraint(mapping, ~__GFP_FS);
}
int btrfs_error_unpin_extent_range(struct btrfs_fs_info *fs_info,
u64 start, u64 end);
void btrfs_error_unpin_extent_range(struct btrfs_fs_info *fs_info, u64 start, u64 end);
int btrfs_discard_extent(struct btrfs_fs_info *fs_info, u64 bytenr,
u64 num_bytes, u64 *actual_bytes);
int btrfs_trim_fs(struct btrfs_fs_info *fs_info, struct fstrim_range *range);

13
fs/btrfs/extent-tree.c
View File

@@ -6171,14 +6171,13 @@ int btrfs_drop_subtree(struct btrfs_trans_handle *trans,
return ret;
}
int btrfs_error_unpin_extent_range(struct btrfs_fs_info *fs_info,
u64 start, u64 end)
/*
* Unpin the extent range in an error context and don't add the space back.
* Errors are not propagated further.
*/
void btrfs_error_unpin_extent_range(struct btrfs_fs_info *fs_info, u64 start, u64 end)
{
int ret;
ret = unpin_extent_range(fs_info, start, end, false);
BUG_ON(ret);
return ret;
unpin_extent_range(fs_info, start, end, false);
}
/*