Btrfs: check the return value of filemap_write_and_wait in the space cache
We need to check the return value of filemap_write_and_wait in the space cache writeout code. Also don't set the inode's generation until we're sure nothing else is going to fail. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com>
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@ -852,9 +852,10 @@ int __btrfs_write_out_cache(struct btrfs_root *root, struct inode *inode,
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if (ret)
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goto out;
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BTRFS_I(inode)->generation = trans->transid;
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filemap_write_and_wait(inode->i_mapping);
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ret = filemap_write_and_wait(inode->i_mapping);
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if (ret)
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goto out;
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key.objectid = BTRFS_FREE_SPACE_OBJECTID;
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key.offset = offset;
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@ -884,6 +885,8 @@ int __btrfs_write_out_cache(struct btrfs_root *root, struct inode *inode,
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goto out;
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}
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}
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BTRFS_I(inode)->generation = trans->transid;
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header = btrfs_item_ptr(leaf, path->slots[0],
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struct btrfs_free_space_header);
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btrfs_set_free_space_entries(leaf, header, entries);
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